backend v4 half

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouType.js

@@ -0,0 +1,461 @@
+import Metadata from './metadata.js'
+import PhoneNumber from './PhoneNumber.js'
+import AsYouTypeState from './AsYouTypeState.js'
+import AsYouTypeFormatter, { DIGIT_PLACEHOLDER } from './AsYouTypeFormatter.js'
+import AsYouTypeParser, { extractFormattedDigitsAndPlus } from './AsYouTypeParser.js'
+import getCountryByCallingCode from './helpers/getCountryByCallingCode.js'
+import getCountryByNationalNumber from './helpers/getCountryByNationalNumber.js'
+import isObject from './helpers/isObject.js'
+
+const USE_NON_GEOGRAPHIC_COUNTRY_CODE = false
+
+export default class AsYouType {
+	/**
+	 * @param {(string|object)?} [optionsOrDefaultCountry] - The default country used for parsing non-international phone numbers. Can also be an `options` object.
+	 * @param {Object} metadata
+	 */
+	constructor(optionsOrDefaultCountry, metadata) {
+		this.metadata = new Metadata(metadata)
+		const [defaultCountry, defaultCallingCode] = this.getCountryAndCallingCode(optionsOrDefaultCountry)
+		// `this.defaultCountry` and `this.defaultCallingCode` aren't required to be in sync.
+		// For example, `this.defaultCountry` could be `"AR"` and `this.defaultCallingCode` could be `undefined`.
+		// So `this.defaultCountry` and `this.defaultCallingCode` are totally independent.
+		this.defaultCountry = defaultCountry
+		this.defaultCallingCode = defaultCallingCode
+		this.reset()
+	}
+
+	getCountryAndCallingCode(optionsOrDefaultCountry) {
+		// Set `defaultCountry` and `defaultCallingCode` options.
+		let defaultCountry
+		let defaultCallingCode
+		// Turns out `null` also has type "object". Weird.
+		if (optionsOrDefaultCountry) {
+			if (isObject(optionsOrDefaultCountry)) {
+				defaultCountry = optionsOrDefaultCountry.defaultCountry
+				defaultCallingCode = optionsOrDefaultCountry.defaultCallingCode
+			} else {
+				defaultCountry = optionsOrDefaultCountry
+			}
+		}
+		if (defaultCountry && !this.metadata.hasCountry(defaultCountry)) {
+			defaultCountry = undefined
+		}
+		if (defaultCallingCode) {
+			/* istanbul ignore if */
+			if (USE_NON_GEOGRAPHIC_COUNTRY_CODE) {
+				if (this.metadata.isNonGeographicCallingCode(defaultCallingCode)) {
+					defaultCountry = '001'
+				}
+			}
+		}
+		return [defaultCountry, defaultCallingCode]
+	}
+
+	/**
+	 * Inputs "next" phone number characters.
+	 * @param  {string} text
+	 * @return {string} Formatted phone number characters that have been input so far.
+	 */
+	input(text) {
+		const {
+			digits,
+			justLeadingPlus
+		} = this.parser.input(text, this.state)
+		if (justLeadingPlus) {
+			this.formattedOutput = '+'
+		} else if (digits) {
+			this.determineTheCountryIfNeeded()
+			// Match the available formats by the currently available leading digits.
+			if (this.state.nationalSignificantNumber) {
+				this.formatter.narrowDownMatchingFormats(this.state)
+			}
+			let formattedNationalNumber
+			if (this.metadata.hasSelectedNumberingPlan()) {
+				formattedNationalNumber = this.formatter.format(digits, this.state)
+			}
+			if (formattedNationalNumber === undefined) {
+				// See if another national (significant) number could be re-extracted.
+				if (this.parser.reExtractNationalSignificantNumber(this.state)) {
+					this.determineTheCountryIfNeeded()
+					// If it could, then re-try formatting the new national (significant) number.
+					const nationalDigits = this.state.getNationalDigits()
+					if (nationalDigits) {
+						formattedNationalNumber = this.formatter.format(nationalDigits, this.state)
+					}
+				}
+			}
+			this.formattedOutput = formattedNationalNumber
+				? this.getFullNumber(formattedNationalNumber)
+				: this.getNonFormattedNumber()
+		}
+		return this.formattedOutput
+	}
+
+	reset() {
+		this.state = new AsYouTypeState({
+			onCountryChange: (country) => {
+				// Before version `1.6.0`, the official `AsYouType` formatter API
+				// included the `.country` property of an `AsYouType` instance.
+				// Since that property (along with the others) have been moved to
+				// `this.state`, `this.country` property is emulated for compatibility
+				// with the old versions.
+				this.country = country
+			},
+			onCallingCodeChange: (callingCode, country) => {
+				this.metadata.selectNumberingPlan(country, callingCode)
+				this.formatter.reset(this.metadata.numberingPlan, this.state)
+				this.parser.reset(this.metadata.numberingPlan)
+			}
+		})
+		this.formatter = new AsYouTypeFormatter({
+			state: this.state,
+			metadata: this.metadata
+		})
+		this.parser = new AsYouTypeParser({
+			defaultCountry: this.defaultCountry,
+			defaultCallingCode: this.defaultCallingCode,
+			metadata: this.metadata,
+			state: this.state,
+			onNationalSignificantNumberChange: () => {
+				this.determineTheCountryIfNeeded()
+				this.formatter.reset(this.metadata.numberingPlan, this.state)
+			}
+		})
+		this.state.reset({
+			country: this.defaultCountry,
+			callingCode: this.defaultCallingCode
+		})
+		this.formattedOutput = ''
+		return this
+	}
+
+	/**
+	 * Returns `true` if the phone number is being input in international format.
+	 * In other words, returns `true` if and only if the parsed phone number starts with a `"+"`.
+	 * @return {boolean}
+	 */
+	isInternational() {
+		return this.state.international
+	}
+
+	/**
+	 * Returns the "calling code" part of the phone number when it's being input
+	 * in an international format.
+	 * If no valid calling code has been entered so far, returns `undefined`.
+	 * @return {string} [callingCode]
+	 */
+	getCallingCode() {
+		 // If the number is being input in national format and some "default calling code"
+		 // has been passed to `AsYouType` constructor, then `this.state.callingCode`
+		 // is equal to that "default calling code".
+		 //
+		 // If the number is being input in national format and no "default calling code"
+		 // has been passed to `AsYouType` constructor, then returns `undefined`,
+		 // even if a "default country" has been passed to `AsYouType` constructor.
+		 //
+		if (this.isInternational()) {
+			return this.state.callingCode
+		}
+	}
+
+	// A legacy alias.
+	getCountryCallingCode() {
+		return this.getCallingCode()
+	}
+
+	/**
+	 * Returns a two-letter country code of the phone number.
+	 * Returns `undefined` for "non-geographic" phone numbering plans.
+	 * Returns `undefined` if no phone number has been input yet.
+	 * @return {string} [country]
+	 */
+	getCountry() {
+		const { digits } = this.state
+		// Return `undefined` if no digits have been input yet.
+		if (digits) {
+			return this._getCountry()
+		}
+	}
+
+	/**
+	 * Returns a two-letter country code of the phone number.
+	 * Returns `undefined` for "non-geographic" phone numbering plans.
+	 * @return {string} [country]
+	 */
+	_getCountry() {
+		const { country } = this.state
+		/* istanbul ignore if */
+		if (USE_NON_GEOGRAPHIC_COUNTRY_CODE) {
+			// `AsYouType.getCountry()` returns `undefined`
+			// for "non-geographic" phone numbering plans.
+			if (country === '001') {
+				return
+			}
+		}
+		return country
+	}
+
+	determineTheCountryIfNeeded() {
+		// Suppose a user enters a phone number in international format,
+		// and there're several countries corresponding to that country calling code,
+		// and a country has been derived from the number, and then
+		// a user enters one more digit and the number is no longer
+		// valid for the derived country, so the country should be re-derived
+		// on every new digit in those cases.
+		//
+		// If the phone number is being input in national format,
+		// then it could be a case when `defaultCountry` wasn't specified
+		// when creating `AsYouType` instance, and just `defaultCallingCode` was specified,
+		// and that "calling code" could correspond to a "non-geographic entity",
+		// or there could be several countries corresponding to that country calling code.
+		// In those cases, `this.country` is `undefined` and should be derived
+		// from the number. Again, if country calling code is ambiguous, then
+		// `this.country` should be re-derived with each new digit.
+		//
+		if (!this.state.country || this.isCountryCallingCodeAmbiguous()) {
+			this.determineTheCountry()
+		}
+	}
+
+	// Prepends `+CountryCode ` in case of an international phone number
+	getFullNumber(formattedNationalNumber) {
+		if (this.isInternational()) {
+			const prefix = (text) => this.formatter.getInternationalPrefixBeforeCountryCallingCode(this.state, {
+				spacing: text ? true : false
+			}) + text
+			const { callingCode } = this.state
+			if (!callingCode) {
+				return prefix(`${this.state.getDigitsWithoutInternationalPrefix()}`)
+			}
+			if (!formattedNationalNumber) {
+				return prefix(callingCode)
+			}
+			return prefix(`${callingCode} ${formattedNationalNumber}`)
+		}
+		return formattedNationalNumber
+	}
+
+	getNonFormattedNationalNumberWithPrefix() {
+		const {
+			nationalSignificantNumber,
+			complexPrefixBeforeNationalSignificantNumber,
+			nationalPrefix
+		} = this.state
+		let number = nationalSignificantNumber
+		const prefix = complexPrefixBeforeNationalSignificantNumber || nationalPrefix
+		if (prefix) {
+			number = prefix + number
+		}
+		return number
+	}
+
+	getNonFormattedNumber() {
+		const { nationalSignificantNumberMatchesInput } = this.state
+		return this.getFullNumber(
+			nationalSignificantNumberMatchesInput
+				? this.getNonFormattedNationalNumberWithPrefix()
+				: this.state.getNationalDigits()
+		)
+	}
+
+	getNonFormattedTemplate() {
+		const number = this.getNonFormattedNumber()
+		if (number) {
+			return number.replace(/[\+\d]/g, DIGIT_PLACEHOLDER)
+		}
+	}
+
+	isCountryCallingCodeAmbiguous() {
+		const { callingCode } = this.state
+		const countryCodes = this.metadata.getCountryCodesForCallingCode(callingCode)
+		return countryCodes && countryCodes.length > 1
+	}
+
+	// Determines the country of the phone number
+	// entered so far based on the country phone code
+	// and the national phone number.
+	determineTheCountry() {
+		this.state.setCountry(getCountryByCallingCode(
+			this.isInternational() ? this.state.callingCode : this.defaultCallingCode,
+			{
+				nationalNumber: this.state.nationalSignificantNumber,
+				defaultCountry: this.defaultCountry,
+				metadata: this.metadata
+			}
+		))
+	}
+
+	/**
+	 * Returns a E.164 phone number value for the user's input.
+	 *
+	 * For example, for country `"US"` and input `"(222) 333-4444"`
+	 * it will return `"+12223334444"`.
+	 *
+	 * For international phone number input, it will also auto-correct
+	 * some minor errors such as using a national prefix when writing
+	 * an international phone number. For example, if the user inputs
+	 * `"+44 0 7400 000000"` then it will return an auto-corrected
+	 * `"+447400000000"` phone number value.
+	 *
+	 * Will return `undefined` if no digits have been input,
+	 * or when inputting a phone number in national format and no
+	 * default country or default "country calling code" have been set.
+	 *
+	 * @return {string} [value]
+	 */
+	getNumberValue() {
+		const {
+			digits,
+			callingCode,
+			country,
+			nationalSignificantNumber
+		} = this.state
+
+	 	// Will return `undefined` if no digits have been input.
+		if (!digits) {
+			return
+		}
+
+		if (this.isInternational()) {
+			if (callingCode) {
+				return '+' + callingCode + nationalSignificantNumber
+			} else {
+				return '+' + digits
+			}
+		} else {
+			if (country || callingCode) {
+				const callingCode_ = country ? this.metadata.countryCallingCode() : callingCode
+				return '+' + callingCode_ + nationalSignificantNumber
+			}
+		}
+	}
+
+	/**
+	 * Returns an instance of `PhoneNumber` class.
+	 * Will return `undefined` if no national (significant) number
+	 * digits have been entered so far, or if no `defaultCountry` has been
+	 * set and the user enters a phone number not in international format.
+	 */
+	getNumber() {
+		const {
+			nationalSignificantNumber,
+			carrierCode,
+			callingCode
+		} = this.state
+
+		// `this._getCountry()` is basically same as `this.state.country`
+		// with the only change that it return `undefined` in case of a
+		// "non-geographic" numbering plan instead of `"001"` "internal use" value.
+		let country = this._getCountry()
+
+		if (!nationalSignificantNumber) {
+			return
+		}
+
+		// `state.country` and `state.callingCode` aren't required to be in sync.
+		// For example, `country` could be `"AR"` and `callingCode` could be `undefined`.
+		// So `country` and `callingCode` are totally independent.
+
+		if (!country && !callingCode) {
+			return
+		}
+
+		// By default, if `defaultCountry` parameter was passed when
+		// creating `AsYouType` instance, `state.country` is gonna be
+		// that `defaultCountry`, which doesn't entirely conform with
+		// `parsePhoneNumber()`'s behavior where it attempts to determine
+		// the country more precisely in cases when multiple countries
+		// could correspond to the same `countryCallingCode`.
+		// https://gitlab.com/catamphetamine/libphonenumber-js/-/issues/103#note_1417192969
+		//
+		// Because `AsYouType.getNumber()` method is supposed to be a 1:1
+		// equivalent for `parsePhoneNumber(AsYouType.getNumberValue())`,
+		// then it should also behave accordingly in cases of `country` ambiguity.
+		// That's how users of this library would expect it to behave anyway.
+		//
+		if (country) {
+			if (country === this.defaultCountry) {
+				// `state.country` and `state.callingCode` aren't required to be in sync.
+				// For example, `state.country` could be `"AR"` and `state.callingCode` could be `undefined`.
+				// So `state.country` and `state.callingCode` are totally independent.
+				const metadata = new Metadata(this.metadata.metadata)
+				metadata.selectNumberingPlan(country)
+				const callingCode = metadata.numberingPlan.callingCode()
+				const ambiguousCountries = this.metadata.getCountryCodesForCallingCode(callingCode)
+				if (ambiguousCountries.length > 1) {
+					const exactCountry = getCountryByNationalNumber(nationalSignificantNumber, {
+						countries: ambiguousCountries,
+						defaultCountry: this.defaultCountry,
+						metadata: this.metadata.metadata
+					})
+					if (exactCountry) {
+						country = exactCountry
+					}
+				}
+			}
+		}
+
+		const phoneNumber = new PhoneNumber(
+			country || callingCode,
+			nationalSignificantNumber,
+			this.metadata.metadata
+		)
+		if (carrierCode) {
+			phoneNumber.carrierCode = carrierCode
+		}
+		// Phone number extensions are not supported by "As You Type" formatter.
+		return phoneNumber
+	}
+
+	/**
+	 * Returns `true` if the phone number is "possible".
+	 * Is just a shortcut for `PhoneNumber.isPossible()`.
+	 * @return {boolean}
+	 */
+	isPossible() {
+		const phoneNumber = this.getNumber()
+		if (!phoneNumber) {
+			return false
+		}
+		return phoneNumber.isPossible()
+	}
+
+	/**
+	 * Returns `true` if the phone number is "valid".
+	 * Is just a shortcut for `PhoneNumber.isValid()`.
+	 * @return {boolean}
+	 */
+	isValid() {
+		const phoneNumber = this.getNumber()
+		if (!phoneNumber) {
+			return false
+		}
+		return phoneNumber.isValid()
+	}
+
+	/**
+	 * @deprecated
+	 * This method is used in `react-phone-number-input/source/input-control.js`
+	 * in versions before `3.0.16`.
+	 */
+	getNationalNumber() {
+		return this.state.nationalSignificantNumber
+	}
+
+	/**
+	 * Returns the phone number characters entered by the user.
+	 * @return {string}
+	 */
+	getChars() {
+		return (this.state.international ? '+' : '') + this.state.digits
+	}
+
+	/**
+	 * Returns the template for the formatted phone number.
+	 * @return {string}
+	 */
+	getTemplate() {
+		return this.formatter.getTemplate(this.state) || this.getNonFormattedTemplate() || ''
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeFormatter.PatternMatcher.d.ts

@@ -0,0 +1,66 @@
+import {
+	character,
+	MatchTree
+} from './AsYouTypeFormatter.PatternParser.d.js'
+
+interface MatchOptions {
+	allowOverflow?: boolean;
+}
+
+// An "overflow" match is when the string matches the pattern
+// and there're still some characters left in it.
+//
+// For example, "12345" matches "12[0-5]|78" pattern with an overflow
+// because "123" matches the "12[0-5]" variant of the pattern
+// and there're still "45" characters left.
+//
+// This type of match is only returned when `allowOverflow` option is `true`.
+// By default, `allowOverflow` is `false` and `undefined` ("no match" result)
+// is returned in case of an "overflow" match.
+//
+interface MatchResultOverflow {
+	overflow: true;
+}
+
+// When there's a ("full") match, returns a match result.
+//
+// A ("full") match is when the string matches the entire pattern.
+//
+// For example, "123" fully matches "12[0-5]|78" pattern.
+//
+interface MatchResultFullMatch {
+	match: true;
+	matchedChars: character[];
+}
+
+// When there's a "partial" match, returns a "partial" match result.
+//
+// A "partial" match is when the string is not long enough
+// to match the whole matching tree.
+//
+// For example, "123" is a partial match for "12[0-5]4|78" pattern,
+// because "123" matched the "12[0-5]" part and the "4" part of the pattern
+// is left uninvolved.
+//
+interface MatchResultPartialMatch {
+	partialMatch: true;
+}
+
+// When there's no match, returns `undefined`.
+//
+// For example, "123" doesn't match "456|789" pattern.
+//
+type MatchResultNoMatch = undefined;
+
+type MatchResult =
+	MatchResultOverflow |
+	MatchResultFullMatch |
+	MatchResultPartialMatch |
+	MatchResultNoMatch;
+
+export default class PatternMatcher {
+	constructor(pattern: string);
+	match(string: string, options?: MatchOptions): MatchResult;
+}
+
+function match(characters: character[], tree: MatchTree, last?: boolean);

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeFormatter.PatternMatcher.js

@@ -0,0 +1,197 @@
+import PatternParser from './AsYouTypeFormatter.PatternParser.js'
+
+export default class PatternMatcher {
+	constructor(pattern) {
+		this.matchTree = new PatternParser().parse(pattern)
+	}
+
+	match(string, { allowOverflow } = {}) {
+		if (!string) {
+			throw new Error('String is required')
+		}
+		const result = match(string.split(''), this.matchTree, true)
+		if (result && result.match) {
+			delete result.matchedChars
+		}
+		if (result && result.overflow) {
+			if (!allowOverflow) {
+				return
+			}
+		}
+		return result
+	}
+}
+
+/**
+ * Matches `characters` against a pattern compiled into a `tree`.
+ * @param  {string[]} characters
+ * @param  {Tree} tree — A pattern compiled into a `tree`. See the `*.d.ts` file for the description of the `tree` structure.
+ * @param  {boolean} last — Whether it's the last (rightmost) subtree on its level of the match tree.
+ * @return {object} See the `*.d.ts` file for the description of the result object.
+ */
+function match(characters, tree, last) {
+	// If `tree` is a string, then `tree` is a single character.
+	// That's because when a pattern is parsed, multi-character-string parts
+	// of a pattern are compiled into arrays of single characters.
+	// I still wrote this piece of code for a "general" hypothetical case
+	// when `tree` could be a string of several characters, even though
+	// such case is not possible with the current implementation.
+	if (typeof tree === 'string') {
+		const characterString = characters.join('')
+		if (tree.indexOf(characterString) === 0) {
+			// `tree` is always a single character.
+			// If `tree.indexOf(characterString) === 0`
+			// then `characters.length === tree.length`.
+			/* istanbul ignore else */
+			if (characters.length === tree.length) {
+				return {
+					match: true,
+					matchedChars: characters
+				}
+			}
+			// `tree` is always a single character.
+			// If `tree.indexOf(characterString) === 0`
+			// then `characters.length === tree.length`.
+			/* istanbul ignore next */
+			return {
+				partialMatch: true,
+				// matchedChars: characters
+			}
+		}
+		if (characterString.indexOf(tree) === 0) {
+			if (last) {
+				// The `else` path is not possible because `tree` is always a single character.
+				// The `else` case for `characters.length > tree.length` would be
+				// `characters.length <= tree.length` which means `characters.length <= 1`.
+				// `characters` array can't be empty, so that means `characters === [tree]`,
+				// which would also mean `tree.indexOf(characterString) === 0` and that'd mean
+				// that the `if (tree.indexOf(characterString) === 0)` condition before this
+				// `if` condition would be entered, and returned from there, not reaching this code.
+				/* istanbul ignore else */
+				if (characters.length > tree.length) {
+					return {
+						overflow: true
+					}
+				}
+			}
+			return {
+				match: true,
+				matchedChars: characters.slice(0, tree.length)
+			}
+		}
+		return
+	}
+
+	if (Array.isArray(tree)) {
+		let restCharacters = characters.slice()
+		let i = 0
+		while (i < tree.length) {
+			const subtree = tree[i]
+			const result = match(restCharacters, subtree, last && (i === tree.length - 1))
+			if (!result) {
+				return
+			} else if (result.overflow) {
+				return result
+			} else if (result.match) {
+				// Continue with the next subtree with the rest of the characters.
+				restCharacters = restCharacters.slice(result.matchedChars.length)
+				if (restCharacters.length === 0) {
+					if (i === tree.length - 1) {
+						return {
+							match: true,
+							matchedChars: characters
+						}
+					} else {
+						return {
+							partialMatch: true,
+							// matchedChars: characters
+						}
+					}
+				}
+			} else {
+				/* istanbul ignore else */
+				if (result.partialMatch) {
+					return {
+						partialMatch: true,
+						// matchedChars: characters
+					}
+				} else {
+					throw new Error(`Unsupported match result:\n${JSON.stringify(result, null, 2)}`)
+				}
+			}
+			i++
+		}
+		// If `last` then overflow has already been checked
+		// by the last element of the `tree` array.
+		/* istanbul ignore if */
+		if (last) {
+			return {
+				overflow: true
+			}
+		}
+		return {
+			match: true,
+			matchedChars: characters.slice(0, characters.length - restCharacters.length)
+		}
+	}
+
+	switch (tree.op) {
+		case '|':
+			let partialMatch
+			for (const branch of tree.args) {
+				const result = match(characters, branch, last)
+				if (result) {
+					if (result.overflow) {
+						return result
+					} else if (result.match) {
+						return {
+							match: true,
+							matchedChars: result.matchedChars
+						}
+					} else {
+						/* istanbul ignore else */
+						if (result.partialMatch) {
+							partialMatch = true
+						} else {
+							throw new Error(`Unsupported match result:\n${JSON.stringify(result, null, 2)}`)
+						}
+					}
+				}
+			}
+			if (partialMatch) {
+				return {
+					partialMatch: true,
+					// matchedChars: ...
+				}
+			}
+			// Not even a partial match.
+			return
+
+		case '[]':
+			for (const char of tree.args) {
+				if (characters[0] === char) {
+					if (characters.length === 1) {
+						return {
+							match: true,
+							matchedChars: characters
+						}
+					}
+					if (last) {
+						return {
+							overflow: true
+						}
+					}
+					return {
+						match: true,
+						matchedChars: [char]
+					}
+				}
+			}
+			// No character matches.
+			return
+
+		/* istanbul ignore next */
+		default:
+			throw new Error(`Unsupported instruction tree: ${tree}`)
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeFormatter.PatternMatcher.test.js

@@ -0,0 +1,641 @@
+import PatternMatcher from './AsYouTypeFormatter.PatternMatcher.js'
+
+describe('AsYouTypeFormatter.PatternMatcher', function() {
+	it('should throw when no pattern is passed', function() {
+		expect(() => new PatternMatcher()).to.throw('Pattern is required')
+	})
+
+	it('should throw when no string is passed', function() {
+		const matcher = new PatternMatcher('1')
+		expect(() => matcher.match()).to.throw('String is required')
+	})
+
+	it('should throw on illegal characters', function() {
+		expect(() => new PatternMatcher('4(5|6)7')).to.throw('Illegal characters')
+	})
+
+	it('should throw on an illegal ] operator', function() {
+		expect(() => new PatternMatcher('4]7')).to.throw('"]" operator must be preceded by "[" operator')
+	})
+
+	it('should throw on an illegal - operator in a one-of set', function() {
+		expect(() => new PatternMatcher('[-5]')).to.throw('Couldn\'t parse a one-of set pattern: -5')
+	})
+
+	it('should throw on a non-finalized context', function() {
+		expect(() => new PatternMatcher('4(?:5|7')).to.throw('Non-finalized contexts left when pattern parse ended')
+	})
+
+	it('should throw on an illegal (|) operator', function() {
+		expect(() => new PatternMatcher('4(?:5|)7')).to.throw('No instructions found after "|" operator in an "or" group')
+	})
+
+	it('should throw on an illegal ) operator', function() {
+		expect(() => new PatternMatcher('4[56)]7')).to.throw('")" operator must be preceded by "(?:" operator')
+	})
+
+	it('should throw on an illegal | operator', function() {
+		expect(() => new PatternMatcher('4[5|6]7')).to.throw('operator can only be used inside "or" groups')
+	})
+
+	it('should match a one-digit pattern', function() {
+		const matcher = new PatternMatcher('4')
+
+		expect(matcher.match('1')).to.be.undefined
+
+		matcher.match('4').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('44')).to.be.undefined
+
+		matcher.match('44', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+	})
+
+	it('should match a two-digit pattern', function() {
+		const matcher = new PatternMatcher('44')
+
+		expect(matcher.match('1')).to.be.undefined
+
+		matcher.match('4').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('44').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('444')).to.be.undefined
+
+		matcher.match('444', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+
+		expect(matcher.match('55')).to.be.undefined
+	})
+
+	it('should match a one-digit one-of set (single digit)', function() {
+		const matcher = new PatternMatcher('[4]')
+
+		expect(matcher.match('1')).to.be.undefined
+
+		matcher.match('4').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('44')).to.be.undefined
+
+		matcher.match('44', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+	})
+
+	it('should match a one-digit one-of set (multiple digits)', function() {
+		const matcher = new PatternMatcher('[479]')
+
+		expect(matcher.match('1')).to.be.undefined
+
+		matcher.match('4').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('44')).to.be.undefined
+
+		matcher.match('44', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+	})
+
+	it('should match a one-digit one-of set using a dash notation (not inclusive)', function() {
+		const matcher = new PatternMatcher('[2-5]')
+
+		expect(matcher.match('1')).to.be.undefined
+
+		matcher.match('4').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('44')).to.be.undefined
+
+		matcher.match('44', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+	})
+
+	it('should match a one-digit one-of set using a dash notation (inclusive)', function() {
+		const matcher = new PatternMatcher('[3-4]')
+
+		expect(matcher.match('1')).to.be.undefined
+
+		matcher.match('4').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('44')).to.be.undefined
+
+		matcher.match('44', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+	})
+
+	it('should match a one-digit one-of set including a dash notation', function() {
+		const matcher = new PatternMatcher('[124-68]')
+
+		expect(matcher.match('0')).to.be.undefined
+
+		matcher.match('1').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('2').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('3')).to.be.undefined
+
+		matcher.match('4').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('5').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('6').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('7')).to.be.undefined
+
+		matcher.match('8').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('9')).to.be.undefined
+
+		expect(matcher.match('88')).to.be.undefined
+
+		matcher.match('88', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+	})
+
+	it('should match a two-digit one-of set', function() {
+		const matcher = new PatternMatcher('[479][45]')
+
+		expect(matcher.match('1')).to.be.undefined
+
+		matcher.match('4').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('5')).to.be.undefined
+		expect(matcher.match('55')).to.be.undefined
+
+		matcher.match('44').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('444')).to.be.undefined
+
+		matcher.match('444', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+	})
+
+	it('should match a two-digit one-of set (regular digit and a one-of set)', function() {
+		const matcher = new PatternMatcher('1[45]')
+
+		expect(matcher.match('0')).to.be.undefined
+
+		matcher.match('1').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('15').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('16')).to.be.undefined
+	})
+
+	it('should match a pattern with an or group', function() {
+		const matcher = new PatternMatcher('7(?:1[0-68]|2[1-9])')
+
+		expect(matcher.match('1')).to.be.undefined
+
+		matcher.match('7').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('71').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('73')).to.be.undefined
+
+		matcher.match('711').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('717')).to.be.undefined
+
+		expect(matcher.match('720')).to.be.undefined
+
+		matcher.match('722').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('7222')).to.be.undefined
+
+		matcher.match('7222', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+	})
+
+	it('should match an or pattern containing or groups', function() {
+		const matcher = new PatternMatcher('2(?:2[024-9]|3[0-59]|47|6[245]|9[02-8])|3(?:3[28]|4[03-9]|5[2-46-8]|7[1-578]|8[2-9])')
+
+		expect(matcher.match('1')).to.be.undefined
+
+		matcher.match('2').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('3').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('4')).to.be.undefined
+
+		expect(matcher.match('21')).to.be.undefined
+
+		matcher.match('22').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('221')).to.be.undefined
+
+		matcher.match('222').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('2222')).to.be.undefined
+
+		matcher.match('2222', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+
+		matcher.match('3').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('33').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('332').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('333')).to.be.undefined
+	})
+
+	it('should match an or pattern', function() {
+		const matcher = new PatternMatcher('6|8')
+
+		expect(matcher.match('5')).to.be.undefined
+
+		matcher.match('6').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('7')).to.be.undefined
+
+		matcher.match('8').should.deep.equal({
+			match: true
+		})
+	})
+
+	it('should match an or pattern (one-of sets)', function() {
+		const matcher = new PatternMatcher('[123]|[5-8]')
+
+		expect(matcher.match('0')).to.be.undefined
+
+		matcher.match('1').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('2').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('3').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('4')).to.be.undefined
+
+		matcher.match('5').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('6').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('7').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('8').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('9')).to.be.undefined
+
+		expect(matcher.match('18')).to.be.undefined
+
+		matcher.match('18', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+	})
+
+	it('should match an or pattern (different lengths)', function() {
+		const matcher = new PatternMatcher('60|8')
+
+		expect(matcher.match('5')).to.be.undefined
+
+		matcher.match('6').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('60').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('61')).to.be.undefined
+
+		expect(matcher.match('7')).to.be.undefined
+
+		matcher.match('8').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('68')).to.be.undefined
+	})
+
+	it('should match an or pattern (one-of sets) (different lengths)', function() {
+		const matcher = new PatternMatcher('[123]|[5-8][2-8]')
+
+		expect(matcher.match('0')).to.be.undefined
+	})
+
+	it('should match an or pattern (one-of sets and regular digits) (different lengths)', function() {
+		const matcher = new PatternMatcher('[2358][2-5]|4')
+
+		expect(matcher.match('0')).to.be.undefined
+
+		matcher.match('2').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('21')).to.be.undefined
+
+		matcher.match('22').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('25').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('26')).to.be.undefined
+
+		expect(matcher.match('222')).to.be.undefined
+
+		matcher.match('222', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+
+		matcher.match('3').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('4').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('6')).to.be.undefined
+	})
+
+	it('should match an or pattern (one-of sets and regular digits mixed) (different lengths)', function() {
+		const matcher = new PatternMatcher('[2358]2|4')
+
+		expect(matcher.match('0')).to.be.undefined
+
+		matcher.match('2').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('21')).to.be.undefined
+
+		matcher.match('22').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('222')).to.be.undefined
+
+		matcher.match('222', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+
+		matcher.match('3').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('4').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('6')).to.be.undefined
+	})
+
+	it('should match an or pattern (one-of sets groups and regular digits mixed) (different lengths)', function() {
+		const matcher = new PatternMatcher('1(?:11|[2-9])')
+
+		matcher.match('1').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('10')).to.be.undefined
+
+		matcher.match('11').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('111').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('1111')).to.be.undefined
+
+		matcher.match('1111', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+
+		matcher.match('12').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('122')).to.be.undefined
+
+		matcher.match('19').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('5')).to.be.undefined
+	})
+
+	it('should match nested or groups', function() {
+		const matcher = new PatternMatcher('1(?:2(?:3(?:4|5)|6)|7(?:8|9))0')
+
+		matcher.match('1').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('2')).to.be.undefined
+
+		expect(matcher.match('11')).to.be.undefined
+
+		matcher.match('12').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('121')).to.be.undefined
+
+		matcher.match('123').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('1231')).to.be.undefined
+
+		matcher.match('1234').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('12340').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('123401')).to.be.undefined
+
+		matcher.match('123401', { allowOverflow: true }).should.deep.equal({
+			overflow: true
+		})
+
+		matcher.match('12350').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('12360')).to.be.undefined
+
+		matcher.match('1260').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('1270')).to.be.undefined
+
+		expect(matcher.match('1770')).to.be.undefined
+
+		matcher.match('1780').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('1790').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('18')).to.be.undefined
+	})
+
+	it('should match complex patterns', function() {
+		const matcher = new PatternMatcher('(?:31|4)6|51|6(?:5[0-3579]|[6-9])|7(?:20|32|8)|[89]')
+
+		expect(matcher.match('0')).to.be.undefined
+
+		matcher.match('3').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('31').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('32')).to.be.undefined
+
+		matcher.match('316').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('315')).to.be.undefined
+
+		matcher.match('4').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('46').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('47')).to.be.undefined
+
+		matcher.match('5').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('50')).to.be.undefined
+
+		matcher.match('51').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('6').should.deep.equal({
+			partialMatch: true
+		})
+
+		expect(matcher.match('64')).to.be.undefined
+
+		matcher.match('65').should.deep.equal({
+			partialMatch: true
+		})
+
+		matcher.match('650').should.deep.equal({
+			match: true
+		})
+
+		expect(matcher.match('654')).to.be.undefined
+
+		matcher.match('69').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('8').should.deep.equal({
+			match: true
+		})
+
+		matcher.match('9').should.deep.equal({
+			match: true
+		})
+	})
+
+	it('shouldn\'t match things that shouldn\'t match', function() {
+		// There was a bug: "leading digits" `"2"` matched "leading digits pattern" `"90"`.
+		// The incorrect `.match()` function result was `{ oveflow: true }`
+		// while it should've been `undefined`.
+		// https://gitlab.com/catamphetamine/libphonenumber-js/-/issues/66
+		expect(new PatternMatcher('2').match('90', { allowOverflow: true })).to.be.undefined
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeFormatter.PatternParser.d.ts

@@ -0,0 +1,58 @@
+// A string of length `1`.
+//
+// Example: "3".
+//
+export type character = string;
+
+// Matches any character.
+//
+// Example:
+//
+// String pattern "123" compiles into 3 characters:
+//
+// ["1", "2", "3"]
+//
+type Character = character;
+
+// Matches one of characters.
+//
+// Example:
+//
+// String pattern "[5-9]" compiles into:
+//
+// { op: "[]", args: ["5", "6", "7", "8", "9"] }
+//
+interface OneOfCharacters {
+	op: '[]';
+	args: character[];
+}
+
+// Matches any of the subtrees.
+//
+// Example:
+//
+// String pattern "123|[5-9]0" compiles into:
+//
+// {
+// 	op: "|",
+// 	args: [
+// 		// First subtree:
+// 		["1", "2", "3"],
+// 		// Second subtree:
+// 		[
+// 			{ op: "[]", args: ["5", "6", "7", "8", "9"] },
+// 			"0"
+// 		]
+// 	]
+// }
+//
+interface OrCondition<MatchTree> {
+	op: '|';
+	args: MatchTree[];
+}
+
+export type MatchTree = Character | OneOfCharacters | MatchTree[] | OrCondition<MatchTree>;
+
+export default class PatternParser {
+	parse(pattern: string): MatchTree;
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeFormatter.PatternParser.js

@@ -0,0 +1,214 @@
+export default class PatternParser {
+	parse(pattern) {
+		this.context = [{
+			or: true,
+			instructions: []
+		}]
+
+		this.parsePattern(pattern)
+
+		if (this.context.length !== 1) {
+			throw new Error('Non-finalized contexts left when pattern parse ended')
+		}
+
+		const { branches, instructions } = this.context[0]
+
+		if (branches) {
+			return {
+				op: '|',
+				args: branches.concat([
+					expandSingleElementArray(instructions)
+				])
+			}
+		}
+
+		/* istanbul ignore if */
+		if (instructions.length === 0) {
+			throw new Error('Pattern is required')
+		}
+
+		if (instructions.length === 1) {
+			return instructions[0]
+		}
+
+		return instructions
+	}
+
+	startContext(context) {
+		this.context.push(context)
+	}
+
+	endContext() {
+		this.context.pop()
+	}
+
+	getContext() {
+		return this.context[this.context.length - 1]
+	}
+
+	parsePattern(pattern) {
+		if (!pattern) {
+			throw new Error('Pattern is required')
+		}
+
+		const match = pattern.match(OPERATOR)
+		if (!match) {
+			if (ILLEGAL_CHARACTER_REGEXP.test(pattern)) {
+				throw new Error(`Illegal characters found in a pattern: ${pattern}`)
+			}
+			this.getContext().instructions = this.getContext().instructions.concat(
+				pattern.split('')
+			)
+			return
+		}
+
+		const operator = match[1]
+		const before = pattern.slice(0, match.index)
+		const rightPart = pattern.slice(match.index + operator.length)
+
+		switch (operator) {
+			case '(?:':
+				if (before) {
+					this.parsePattern(before)
+				}
+				this.startContext({
+					or: true,
+					instructions: [],
+					branches: []
+				})
+				break
+
+			case ')':
+				if (!this.getContext().or) {
+					throw new Error('")" operator must be preceded by "(?:" operator')
+				}
+				if (before) {
+					this.parsePattern(before)
+				}
+				if (this.getContext().instructions.length === 0) {
+					throw new Error('No instructions found after "|" operator in an "or" group')
+				}
+				const { branches } = this.getContext()
+				branches.push(
+					expandSingleElementArray(
+						this.getContext().instructions
+					)
+				)
+				this.endContext()
+				this.getContext().instructions.push({
+					op: '|',
+					args: branches
+				})
+				break
+
+			case '|':
+				if (!this.getContext().or) {
+					throw new Error('"|" operator can only be used inside "or" groups')
+				}
+				if (before) {
+					this.parsePattern(before)
+				}
+				// The top-level is an implicit "or" group, if required.
+				if (!this.getContext().branches) {
+					// `branches` are not defined only for the root implicit "or" operator.
+					/* istanbul ignore else */
+					if (this.context.length === 1) {
+						this.getContext().branches = []
+					} else {
+						throw new Error('"branches" not found in an "or" group context')
+					}
+				}
+				this.getContext().branches.push(
+					expandSingleElementArray(
+						this.getContext().instructions
+					)
+				)
+				this.getContext().instructions = []
+				break
+
+			case '[':
+				if (before) {
+					this.parsePattern(before)
+				}
+				this.startContext({
+					oneOfSet: true
+				})
+				break
+
+			case ']':
+				if (!this.getContext().oneOfSet) {
+					throw new Error('"]" operator must be preceded by "[" operator')
+				}
+				this.endContext()
+				this.getContext().instructions.push({
+					op: '[]',
+					args: parseOneOfSet(before)
+				})
+				break
+
+			/* istanbul ignore next */
+			default:
+				throw new Error(`Unknown operator: ${operator}`)
+		}
+
+		if (rightPart) {
+			this.parsePattern(rightPart)
+		}
+	}
+}
+
+function parseOneOfSet(pattern) {
+	const values = []
+	let i = 0
+	while (i < pattern.length) {
+		if (pattern[i] === '-') {
+			if (i === 0 || i === pattern.length - 1) {
+				throw new Error(`Couldn't parse a one-of set pattern: ${pattern}`)
+			}
+			const prevValue = pattern[i - 1].charCodeAt(0) + 1
+			const nextValue = pattern[i + 1].charCodeAt(0) - 1
+			let value = prevValue
+			while (value <= nextValue) {
+				values.push(String.fromCharCode(value))
+				value++
+			}
+		} else {
+			values.push(pattern[i])
+		}
+		i++
+	}
+	return values
+}
+
+const ILLEGAL_CHARACTER_REGEXP = /[\(\)\[\]\?\:\|]/
+
+const OPERATOR = new RegExp(
+	// any of:
+	'(' +
+		// or operator
+		'\\|' +
+		// or
+		'|' +
+		// or group start
+		'\\(\\?\\:' +
+		// or
+		'|' +
+		// or group end
+		'\\)' +
+		// or
+		'|' +
+		// one-of set start
+		'\\[' +
+		// or
+		'|' +
+		// one-of set end
+		'\\]' +
+	')'
+)
+
+function expandSingleElementArray(array) {
+	if (array.length === 1) {
+		return array[0]
+	}
+	return array
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeFormatter.PatternParser.test.js

@@ -0,0 +1,67 @@
+import PatternParser from './AsYouTypeFormatter.PatternParser.js'
+
+describe('PatternParser', function() {
+	it('should parse single-character patterns', function() {
+		new PatternParser().parse('2').should.deep.equal('2')
+	})
+
+	it('should parse string patterns', function() {
+		new PatternParser().parse('123').should.deep.equal(['1', '2', '3'])
+	})
+
+	it('should parse "one of" patterns', function() {
+		new PatternParser().parse('[5-9]').should.deep.equal({
+			op: '[]',
+			args: ['5', '6', '7', '8', '9']
+		})
+	})
+
+	it('should parse "or" patterns', function() {
+		new PatternParser().parse('123|[5-9]').should.deep.equal({
+			op: '|',
+			args: [
+				['1', '2', '3'],
+				{
+					op: '[]',
+					args: ['5', '6', '7', '8', '9']
+				}
+			]
+		})
+
+		new PatternParser().parse('123|[5-9]0').should.deep.equal({
+			op: '|',
+			args: [
+				['1', '2', '3'],
+				[
+					{
+						op: '[]',
+						args: ['5', '6', '7', '8', '9']
+					},
+					'0'
+				]
+			]
+		})
+	})
+
+	it('should parse nested "or" patterns', function() {
+		new PatternParser().parse('123|(?:2|34)[5-9]').should.deep.equal({
+			op: '|',
+			args: [
+				['1', '2', '3'],
+				[
+					{
+						op: '|',
+						args: [
+							'2',
+							['3', '4']
+						]
+					},
+					{
+						op: '[]',
+						args: ['5', '6', '7', '8', '9']
+					}
+				]
+			]
+		})
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeFormatter.complete.js

@@ -0,0 +1,135 @@
+import checkNumberLength from './helpers/checkNumberLength.js'
+import parseDigits from './helpers/parseDigits.js'
+import formatNationalNumberUsingFormat from './helpers/formatNationalNumberUsingFormat.js'
+
+export default function formatCompleteNumber(state, format, {
+	metadata,
+	shouldTryNationalPrefixFormattingRule,
+	getSeparatorAfterNationalPrefix
+}) {
+	const matcher = new RegExp(`^(?:${format.pattern()})$`)
+	if (matcher.test(state.nationalSignificantNumber)) {
+		return formatNationalNumberWithAndWithoutNationalPrefixFormattingRule(
+			state,
+			format,
+			{
+				metadata,
+				shouldTryNationalPrefixFormattingRule,
+				getSeparatorAfterNationalPrefix
+			}
+		)
+	}
+}
+
+export function canFormatCompleteNumber(nationalSignificantNumber, metadata) {
+	return checkNumberLength(nationalSignificantNumber, metadata) === 'IS_POSSIBLE'
+}
+
+function formatNationalNumberWithAndWithoutNationalPrefixFormattingRule(state, format, {
+	metadata,
+	shouldTryNationalPrefixFormattingRule,
+	getSeparatorAfterNationalPrefix
+}) {
+	// `format` has already been checked for `nationalPrefix` requirement.
+
+	const {
+		nationalSignificantNumber,
+		international,
+		nationalPrefix,
+		carrierCode
+	} = state
+
+	// Format the number with using `national_prefix_formatting_rule`.
+	// If the resulting formatted number is a valid formatted number, then return it.
+	//
+	// Google's AsYouType formatter is different in a way that it doesn't try
+	// to format using the "national prefix formatting rule", and instead it
+	// simply prepends a national prefix followed by a " " character.
+	// This code does that too, but as a fallback.
+	// The reason is that "national prefix formatting rule" may use parentheses,
+	// which wouldn't be included has it used the simpler Google's way.
+	//
+	if (shouldTryNationalPrefixFormattingRule(format)) {
+		const formattedNumber = formatNationalNumber(state, format, {
+			useNationalPrefixFormattingRule: true,
+			getSeparatorAfterNationalPrefix,
+			metadata
+		})
+		if (formattedNumber) {
+			return formattedNumber
+		}
+	}
+
+	// Format the number without using `national_prefix_formatting_rule`.
+	return formatNationalNumber(state, format, {
+		useNationalPrefixFormattingRule: false,
+		getSeparatorAfterNationalPrefix,
+		metadata
+	})
+}
+
+function formatNationalNumber(state, format, {
+	metadata,
+	useNationalPrefixFormattingRule,
+	getSeparatorAfterNationalPrefix
+}) {
+	let formattedNationalNumber = formatNationalNumberUsingFormat(
+		state.nationalSignificantNumber,
+		format,
+		{
+			carrierCode: state.carrierCode,
+			useInternationalFormat: state.international,
+			withNationalPrefix: useNationalPrefixFormattingRule,
+			metadata
+		}
+	)
+	if (!useNationalPrefixFormattingRule) {
+		if (state.nationalPrefix) {
+			// If a national prefix was extracted, then just prepend it,
+			// followed by a " " character.
+			formattedNationalNumber = state.nationalPrefix +
+				getSeparatorAfterNationalPrefix(format) +
+				formattedNationalNumber
+		} else if (state.complexPrefixBeforeNationalSignificantNumber) {
+			formattedNationalNumber = state.complexPrefixBeforeNationalSignificantNumber +
+				' ' +
+				formattedNationalNumber
+		}
+	}
+	if (isValidFormattedNationalNumber(formattedNationalNumber, state)) {
+		return formattedNationalNumber
+	}
+}
+
+// Check that the formatted phone number contains exactly
+// the same digits that have been input by the user.
+// For example, when "0111523456789" is input for `AR` country,
+// the extracted `this.nationalSignificantNumber` is "91123456789",
+// which means that the national part of `this.digits` isn't simply equal to
+// `this.nationalPrefix` + `this.nationalSignificantNumber`.
+//
+// Also, a `format` can add extra digits to the `this.nationalSignificantNumber`
+// being formatted via `metadata[country].national_prefix_transform_rule`.
+// For example, for `VI` country, it prepends `340` to the national number,
+// and if this check hasn't been implemented, then there would be a bug
+// when `340` "area coude" is "duplicated" during input for `VI` country:
+// https://github.com/catamphetamine/libphonenumber-js/issues/318
+//
+// So, all these "gotchas" are filtered out.
+//
+// In the original Google's code, the comments say:
+// "Check that we didn't remove nor add any extra digits when we matched
+// this formatting pattern. This usually happens after we entered the last
+// digit during AYTF. Eg: In case of MX, we swallow mobile token (1) when
+// formatted but AYTF should retain all the number entered and not change
+// in order to match a format (of same leading digits and length) display
+// in that way."
+// "If it's the same (i.e entered number and format is same), then it's
+// safe to return this in formatted number as nothing is lost / added."
+// Otherwise, don't use this format.
+// https://github.com/google/libphonenumber/commit/3e7c1f04f5e7200f87fb131e6f85c6e99d60f510#diff-9149457fa9f5d608a11bb975c6ef4bc5
+// https://github.com/google/libphonenumber/commit/3ac88c7106e7dcb553bcc794b15f19185928a1c6#diff-2dcb77e833422ee304da348b905cde0b
+//
+function isValidFormattedNationalNumber(formattedNationalNumber, state) {
+	return parseDigits(formattedNationalNumber) === state.getNationalDigits()
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeFormatter.js

@@ -0,0 +1,714 @@
+import {
+	DIGIT_PLACEHOLDER,
+	countOccurences,
+	repeat,
+	cutAndStripNonPairedParens,
+	closeNonPairedParens,
+	stripNonPairedParens,
+	populateTemplateWithDigits
+} from './AsYouTypeFormatter.util.js'
+
+import formatCompleteNumber, {
+	canFormatCompleteNumber
+} from './AsYouTypeFormatter.complete.js'
+
+import PatternMatcher from './AsYouTypeFormatter.PatternMatcher.js'
+
+import parseDigits from './helpers/parseDigits.js'
+export { DIGIT_PLACEHOLDER } from './AsYouTypeFormatter.util.js'
+import { FIRST_GROUP_PATTERN } from './helpers/formatNationalNumberUsingFormat.js'
+import { VALID_PUNCTUATION } from './constants.js'
+import applyInternationalSeparatorStyle from './helpers/applyInternationalSeparatorStyle.js'
+
+// Used in phone number format template creation.
+// Could be any digit, I guess.
+const DUMMY_DIGIT = '9'
+// I don't know why is it exactly `15`
+const LONGEST_NATIONAL_PHONE_NUMBER_LENGTH = 15
+// Create a phone number consisting only of the digit 9 that matches the
+// `number_pattern` by applying the pattern to the "longest phone number" string.
+const LONGEST_DUMMY_PHONE_NUMBER = repeat(DUMMY_DIGIT, LONGEST_NATIONAL_PHONE_NUMBER_LENGTH)
+
+// A set of characters that, if found in a national prefix formatting rules, are an indicator to
+// us that we should separate the national prefix from the number when formatting.
+const NATIONAL_PREFIX_SEPARATORS_PATTERN = /[- ]/
+
+// Deprecated: Google has removed some formatting pattern related code from their repo.
+// https://github.com/googlei18n/libphonenumber/commit/a395b4fef3caf57c4bc5f082e1152a4d2bd0ba4c
+// "We no longer have numbers in formatting matching patterns, only \d."
+// Because this library supports generating custom metadata
+// some users may still be using old metadata so the relevant
+// code seems to stay until some next major version update.
+const SUPPORT_LEGACY_FORMATTING_PATTERNS = true
+
+// A pattern that is used to match character classes in regular expressions.
+// An example of a character class is "[1-4]".
+const CREATE_CHARACTER_CLASS_PATTERN = SUPPORT_LEGACY_FORMATTING_PATTERNS && (() => /\[([^\[\]])*\]/g)
+
+// Any digit in a regular expression that actually denotes a digit. For
+// example, in the regular expression "80[0-2]\d{6,10}", the first 2 digits
+// (8 and 0) are standalone digits, but the rest are not.
+// Two look-aheads are needed because the number following \\d could be a
+// two-digit number, since the phone number can be as long as 15 digits.
+const CREATE_STANDALONE_DIGIT_PATTERN = SUPPORT_LEGACY_FORMATTING_PATTERNS && (() => /\d(?=[^,}][^,}])/g)
+
+// A regular expression that is used to determine if a `format` is
+// suitable to be used in the "as you type formatter".
+// A `format` is suitable when the resulting formatted number has
+// the same digits as the user has entered.
+//
+// In the simplest case, that would mean that the format
+// doesn't add any additional digits when formatting a number.
+// Google says that it also shouldn't add "star" (`*`) characters,
+// like it does in some Israeli formats.
+// Such basic format would only contain "valid punctuation"
+// and "captured group" identifiers ($1, $2, etc).
+//
+// An example of a format that adds additional digits:
+//
+// Country: `AR` (Argentina).
+// Format:
+// {
+//    "pattern": "(\\d)(\\d{2})(\\d{4})(\\d{4})",
+//    "leading_digits_patterns": ["91"],
+//    "national_prefix_formatting_rule": "0$1",
+//    "format": "$2 15-$3-$4",
+//    "international_format": "$1 $2 $3-$4"
+// }
+//
+// In the format above, the `format` adds `15` to the digits when formatting a number.
+// A sidenote: this format actually is suitable because `national_prefix_for_parsing`
+// has previously removed `15` from a national number, so re-adding `15` in `format`
+// doesn't actually result in any extra digits added to user's input.
+// But verifying that would be a complex procedure, so the code chooses a simpler path:
+// it simply filters out all `format`s that contain anything but "captured group" ids.
+//
+// This regular expression is called `ELIGIBLE_FORMAT_PATTERN` in Google's
+// `libphonenumber` code.
+//
+const NON_ALTERING_FORMAT_REG_EXP = new RegExp(
+	'[' + VALID_PUNCTUATION + ']*' +
+	// Google developers say:
+	// "We require that the first matching group is present in the
+	//  output pattern to ensure no data is lost while formatting."
+	'\\$1' +
+	'[' + VALID_PUNCTUATION + ']*' +
+	'(\\$\\d[' + VALID_PUNCTUATION + ']*)*' +
+	'$'
+)
+
+// This is the minimum length of the leading digits of a phone number
+// to guarantee the first "leading digits pattern" for a phone number format
+// to be preemptive.
+const MIN_LEADING_DIGITS_LENGTH = 3
+
+export default class AsYouTypeFormatter {
+	constructor({
+		state,
+		metadata
+	}) {
+		this.metadata = metadata
+		this.resetFormat()
+	}
+
+	resetFormat() {
+		this.chosenFormat = undefined
+		this.template = undefined
+		this.nationalNumberTemplate = undefined
+		this.populatedNationalNumberTemplate = undefined
+		this.populatedNationalNumberTemplatePosition = -1
+	}
+
+	reset(numberingPlan, state) {
+		this.resetFormat()
+		if (numberingPlan) {
+			this.isNANP = numberingPlan.callingCode() === '1'
+			this.matchingFormats = numberingPlan.formats()
+			if (state.nationalSignificantNumber) {
+				this.narrowDownMatchingFormats(state)
+			}
+		} else {
+			this.isNANP = undefined
+			this.matchingFormats = []
+		}
+	}
+
+	/**
+	 * Formats an updated phone number.
+	 * @param  {string} nextDigits — Additional phone number digits.
+	 * @param  {object} state — `AsYouType` state.
+	 * @return {[string]} Returns undefined if the updated phone number can't be formatted using any of the available formats.
+	 */
+	format(nextDigits, state) {
+		// See if the phone number digits can be formatted as a complete phone number.
+		// If not, use the results from `formatNationalNumberWithNextDigits()`,
+		// which formats based on the chosen formatting pattern.
+		//
+		// Attempting to format complete phone number first is how it's done
+		// in Google's `libphonenumber`, so this library just follows it.
+		// Google's `libphonenumber` code doesn't explain in detail why does it
+		// attempt to format digits as a complete phone number
+		// instead of just going with a previoulsy (or newly) chosen `format`:
+		//
+		// "Checks to see if there is an exact pattern match for these digits.
+		//  If so, we should use this instead of any other formatting template
+		//  whose leadingDigitsPattern also matches the input."
+		//
+		if (canFormatCompleteNumber(state.nationalSignificantNumber, this.metadata)) {
+			for (const format of this.matchingFormats) {
+				const formattedCompleteNumber = formatCompleteNumber(
+					state,
+					format,
+					{
+						metadata: this.metadata,
+						shouldTryNationalPrefixFormattingRule: (format) => this.shouldTryNationalPrefixFormattingRule(format, {
+							international: state.international,
+							nationalPrefix: state.nationalPrefix
+						}),
+						getSeparatorAfterNationalPrefix: (format) => this.getSeparatorAfterNationalPrefix(format)
+					}
+				)
+				if (formattedCompleteNumber) {
+					this.resetFormat()
+					this.chosenFormat = format
+					this.setNationalNumberTemplate(formattedCompleteNumber.replace(/\d/g, DIGIT_PLACEHOLDER), state)
+					this.populatedNationalNumberTemplate = formattedCompleteNumber
+					// With a new formatting template, the matched position
+					// using the old template needs to be reset.
+					this.populatedNationalNumberTemplatePosition = this.template.lastIndexOf(DIGIT_PLACEHOLDER)
+					return formattedCompleteNumber
+				}
+
+			}
+		}
+		// Format the digits as a partial (incomplete) phone number
+		// using the previously chosen formatting pattern (or a newly chosen one).
+		return this.formatNationalNumberWithNextDigits(nextDigits, state)
+	}
+
+	// Formats the next phone number digits.
+	formatNationalNumberWithNextDigits(nextDigits, state) {
+		const previouslyChosenFormat = this.chosenFormat
+
+		// Choose a format from the list of matching ones.
+		const newlyChosenFormat = this.chooseFormat(state)
+
+		if (newlyChosenFormat) {
+			if (newlyChosenFormat === previouslyChosenFormat) {
+				// If it can format the next (current) digits
+				// using the previously chosen phone number format
+				// then return the updated formatted number.
+				return this.formatNextNationalNumberDigits(nextDigits)
+			} else {
+				// If a more appropriate phone number format
+				// has been chosen for these "leading digits",
+				// then re-format the national phone number part
+				// using the newly selected format.
+				return this.formatNextNationalNumberDigits(state.getNationalDigits())
+			}
+		}
+	}
+
+	narrowDownMatchingFormats({
+		nationalSignificantNumber,
+		nationalPrefix,
+		international
+	}) {
+		const leadingDigits = nationalSignificantNumber
+
+		// "leading digits" pattern list starts with a
+		// "leading digits" pattern fitting a maximum of 3 leading digits.
+		// So, after a user inputs 3 digits of a national (significant) phone number
+		// this national (significant) number can already be formatted.
+		// The next "leading digits" pattern is for 4 leading digits max,
+		// and the "leading digits" pattern after it is for 5 leading digits max, etc.
+
+		// This implementation is different from Google's
+		// in that it searches for a fitting format
+		// even if the user has entered less than
+		// `MIN_LEADING_DIGITS_LENGTH` digits of a national number.
+		// Because some leading digit patterns already match for a single first digit.
+		let leadingDigitsPatternIndex = leadingDigits.length - MIN_LEADING_DIGITS_LENGTH
+		if (leadingDigitsPatternIndex < 0) {
+			leadingDigitsPatternIndex = 0
+		}
+
+		this.matchingFormats = this.matchingFormats.filter(
+			format => this.formatSuits(format, international, nationalPrefix)
+				&& this.formatMatches(format, leadingDigits, leadingDigitsPatternIndex)
+		)
+
+		// If there was a phone number format chosen
+		// and it no longer holds given the new leading digits then reset it.
+		// The test for this `if` condition is marked as:
+		// "Reset a chosen format when it no longer holds given the new leading digits".
+		// To construct a valid test case for this one can find a country
+		// in `PhoneNumberMetadata.xml` yielding one format for 3 `<leadingDigits>`
+		// and yielding another format for 4 `<leadingDigits>` (Australia in this case).
+		if (this.chosenFormat && this.matchingFormats.indexOf(this.chosenFormat) === -1) {
+			this.resetFormat()
+		}
+	}
+
+	formatSuits(format, international, nationalPrefix) {
+		// When a prefix before a national (significant) number is
+		// simply a national prefix, then it's parsed as `this.nationalPrefix`.
+		// In more complex cases, a prefix before national (significant) number
+		// could include a national prefix as well as some "capturing groups",
+		// and in that case there's no info whether a national prefix has been parsed.
+		// If national prefix is not used when formatting a phone number
+		// using this format, but a national prefix has been entered by the user,
+		// and was extracted, then discard such phone number format.
+		// In Google's "AsYouType" formatter code, the equivalent would be this part:
+		// https://github.com/google/libphonenumber/blob/0a45cfd96e71cad8edb0e162a70fcc8bd9728933/java/libphonenumber/src/com/google/i18n/phonenumbers/AsYouTypeFormatter.java#L175-L184
+		if (nationalPrefix &&
+			!format.usesNationalPrefix() &&
+			// !format.domesticCarrierCodeFormattingRule() &&
+			!format.nationalPrefixIsOptionalWhenFormattingInNationalFormat()) {
+			return false
+		}
+		// If national prefix is mandatory for this phone number format
+		// and there're no guarantees that a national prefix is present in user input
+		// then discard this phone number format as not suitable.
+		// In Google's "AsYouType" formatter code, the equivalent would be this part:
+		// https://github.com/google/libphonenumber/blob/0a45cfd96e71cad8edb0e162a70fcc8bd9728933/java/libphonenumber/src/com/google/i18n/phonenumbers/AsYouTypeFormatter.java#L185-L193
+		if (!international &&
+			!nationalPrefix &&
+			format.nationalPrefixIsMandatoryWhenFormattingInNationalFormat()) {
+			return false
+		}
+		return true
+	}
+
+	formatMatches(format, leadingDigits, leadingDigitsPatternIndex) {
+		const leadingDigitsPatternsCount = format.leadingDigitsPatterns().length
+
+		// If this format is not restricted to a certain
+		// leading digits pattern then it fits.
+		// The test case could be found by searching for "leadingDigitsPatternsCount === 0".
+		if (leadingDigitsPatternsCount === 0) {
+			return true
+		}
+
+		// Start narrowing down the list of possible formats based on the leading digits.
+		// (only previously matched formats take part in the narrowing down process)
+
+		// `leading_digits_patterns` start with 3 digits min
+		// and then go up from there one digit at a time.
+		leadingDigitsPatternIndex = Math.min(leadingDigitsPatternIndex, leadingDigitsPatternsCount - 1)
+		const leadingDigitsPattern = format.leadingDigitsPatterns()[leadingDigitsPatternIndex]
+
+		// Google imposes a requirement on the leading digits
+		// to be minimum 3 digits long in order to be eligible
+		// for checking those with a leading digits pattern.
+		//
+		// Since `leading_digits_patterns` start with 3 digits min,
+		// Google's original `libphonenumber` library only starts
+		// excluding any non-matching formats only when the
+		// national number entered so far is at least 3 digits long,
+		// otherwise format matching would give false negatives.
+		//
+		// For example, when the digits entered so far are `2`
+		// and the leading digits pattern is `21` –
+		// it's quite obvious in this case that the format could be the one
+		// but due to the absence of further digits it would give false negative.
+		//
+		// Also, `leading_digits_patterns` doesn't always correspond to a single
+		// digits count. For example, `60|8` pattern would already match `8`
+		// but the `60` part would require having at least two leading digits,
+		// so the whole pattern would require inputting two digits first in order to
+		// decide on whether it matches the input, even when the input is "80".
+		//
+		// This library — `libphonenumber-js` — allows filtering by `leading_digits_patterns`
+		// even when there's only 1 or 2 digits of the national (significant) number.
+		// To do that, it uses a non-strict pattern matcher written specifically for that.
+		//
+		if (leadingDigits.length < MIN_LEADING_DIGITS_LENGTH) {
+			// Before leading digits < 3 matching was implemented:
+			// return true
+			//
+			// After leading digits < 3 matching was implemented:
+			try {
+				return new PatternMatcher(leadingDigitsPattern).match(leadingDigits, { allowOverflow: true }) !== undefined
+			} catch (error) /* istanbul ignore next */ {
+				// There's a slight possibility that there could be some undiscovered bug
+				// in the pattern matcher code. Since the "leading digits < 3 matching"
+				// feature is not "essential" for operation, it can fall back to the old way
+				// in case of any issues rather than halting the application's execution.
+				console.error(error)
+				return true
+			}
+		}
+
+		// If at least `MIN_LEADING_DIGITS_LENGTH` digits of a national number are
+		// available then use the usual regular expression matching.
+		//
+		// The whole pattern is wrapped in round brackets (`()`) because
+		// the pattern can use "or" operator (`|`) at the top level of the pattern.
+		//
+		return new RegExp(`^(${leadingDigitsPattern})`).test(leadingDigits)
+	}
+
+	getFormatFormat(format, international) {
+		return international ? format.internationalFormat() : format.format()
+	}
+
+	chooseFormat(state) {
+		// When there are multiple available formats, the formatter uses the first
+		// format where a formatting template could be created.
+		//
+		// For some weird reason, `istanbul` says "else path not taken"
+		// for the `for of` line below. Supposedly that means that
+		// the loop doesn't ever go over the last element in the list.
+		// That's true because there always is `this.chosenFormat`
+		// when `this.matchingFormats` is non-empty.
+		// And, for some weird reason, it doesn't think that the case
+		// with empty `this.matchingFormats` qualifies for a valid "else" path.
+		// So simply muting this `istanbul` warning.
+		// It doesn't skip the contents of the `for of` loop,
+		// it just skips the `for of` line.
+		//
+		/* istanbul ignore next */
+		for (const format of this.matchingFormats.slice()) {
+			// If this format is currently being used
+			// and is still suitable, then stick to it.
+			if (this.chosenFormat === format) {
+				break
+			}
+			// Sometimes, a formatting rule inserts additional digits in a phone number,
+			// and "as you type" formatter can't do that: it should only use the digits
+			// that the user has input.
+			//
+			// For example, in Argentina, there's a format for mobile phone numbers:
+			//
+			// {
+			//    "pattern": "(\\d)(\\d{2})(\\d{4})(\\d{4})",
+			//    "leading_digits_patterns": ["91"],
+			//    "national_prefix_formatting_rule": "0$1",
+			//    "format": "$2 15-$3-$4",
+			//    "international_format": "$1 $2 $3-$4"
+			// }
+			//
+			// In that format, `international_format` is used instead of `format`
+			// because `format` inserts `15` in the formatted number,
+			// and `AsYouType` formatter should only use the digits
+			// the user has actually input, without adding any extra digits.
+			// In this case, it wouldn't make a difference, because the `15`
+			// is first stripped when applying `national_prefix_for_parsing`
+			// and then re-added when using `format`, so in reality it doesn't
+			// add any new digits to the number, but to detect that, the code
+			// would have to be more complex: it would have to try formatting
+			// the digits using the format and then see if any digits have
+			// actually been added or removed, and then, every time a new digit
+			// is input, it should re-check whether the chosen format doesn't
+			// alter the digits.
+			//
+			// Google's code doesn't go that far, and so does this library:
+			// it simply requires that a `format` doesn't add any additonal
+			// digits to user's input.
+			//
+			// Also, people in general should move from inputting phone numbers
+			// in national format (possibly with national prefixes)
+			// and use international phone number format instead:
+			// it's a logical thing in the modern age of mobile phones,
+			// globalization and the internet.
+			//
+			/* istanbul ignore if */
+			if (!NON_ALTERING_FORMAT_REG_EXP.test(this.getFormatFormat(format, state.international))) {
+				continue
+			}
+			if (!this.createTemplateForFormat(format, state)) {
+				// Remove the format if it can't generate a template.
+				this.matchingFormats = this.matchingFormats.filter(_ => _ !== format)
+				continue
+			}
+			this.chosenFormat = format
+			break
+		}
+		if (!this.chosenFormat) {
+			// No format matches the national (significant) phone number.
+			this.resetFormat()
+		}
+		return this.chosenFormat
+	}
+
+	createTemplateForFormat(format, state) {
+		// The formatter doesn't format numbers when numberPattern contains '|', e.g.
+		// (20|3)\d{4}. In those cases we quickly return.
+		// (Though there's no such format in current metadata)
+		/* istanbul ignore if */
+		if (SUPPORT_LEGACY_FORMATTING_PATTERNS && format.pattern().indexOf('|') >= 0) {
+			return
+		}
+		// Get formatting template for this phone number format
+		const template = this.getTemplateForFormat(format, state)
+		// If the national number entered is too long
+		// for any phone number format, then abort.
+		if (template) {
+			this.setNationalNumberTemplate(template, state)
+			return true
+		}
+	}
+
+	getSeparatorAfterNationalPrefix(format) {
+		// `US` metadata doesn't have a `national_prefix_formatting_rule`,
+		// so the `if` condition below doesn't apply to `US`,
+		// but in reality there shoudl be a separator
+		// between a national prefix and a national (significant) number.
+		// So `US` national prefix separator is a "special" "hardcoded" case.
+		if (this.isNANP) {
+			return ' '
+		}
+		// If a `format` has a `national_prefix_formatting_rule`
+		// and that rule has a separator after a national prefix,
+		// then it means that there should be a separator
+		// between a national prefix and a national (significant) number.
+		if (format &&
+			format.nationalPrefixFormattingRule() &&
+			NATIONAL_PREFIX_SEPARATORS_PATTERN.test(format.nationalPrefixFormattingRule())) {
+			return ' '
+		}
+		// At this point, there seems to be no clear evidence that
+		// there should be a separator between a national prefix
+		// and a national (significant) number. So don't insert one.
+		return ''
+	}
+
+	getInternationalPrefixBeforeCountryCallingCode({ IDDPrefix, missingPlus }, options) {
+		if (IDDPrefix) {
+			return options && options.spacing === false ? IDDPrefix : IDDPrefix + ' '
+		}
+		if (missingPlus) {
+			return ''
+		}
+		return '+'
+	}
+
+	getTemplate(state) {
+		if (!this.template) {
+			return
+		}
+		// `this.template` holds the template for a "complete" phone number.
+		// The currently entered phone number is most likely not "complete",
+		// so trim all non-populated digits.
+		let index = -1
+		let i = 0
+		const internationalPrefix = state.international ? this.getInternationalPrefixBeforeCountryCallingCode(state, { spacing: false }) : ''
+		while (i < internationalPrefix.length + state.getDigitsWithoutInternationalPrefix().length) {
+			index = this.template.indexOf(DIGIT_PLACEHOLDER, index + 1)
+			i++
+		}
+		return cutAndStripNonPairedParens(this.template, index + 1)
+	}
+
+	setNationalNumberTemplate(template, state) {
+		this.nationalNumberTemplate = template
+		this.populatedNationalNumberTemplate = template
+		// With a new formatting template, the matched position
+		// using the old template needs to be reset.
+		this.populatedNationalNumberTemplatePosition = -1
+		// For convenience, the public `.template` property
+		// contains the whole international number
+		// if the phone number being input is international:
+		// 'x' for the '+' sign, 'x'es for the country phone code,
+		// a spacebar and then the template for the formatted national number.
+		if (state.international) {
+			this.template =
+				this.getInternationalPrefixBeforeCountryCallingCode(state).replace(/[\d\+]/g, DIGIT_PLACEHOLDER) +
+				repeat(DIGIT_PLACEHOLDER, state.callingCode.length) +
+				' ' +
+				template
+		} else {
+			this.template = template
+		}
+	}
+
+	/**
+	 * Generates formatting template for a national phone number,
+	 * optionally containing a national prefix, for a format.
+	 * @param  {Format} format
+	 * @param  {string} nationalPrefix
+	 * @return {string}
+	 */
+	getTemplateForFormat(format, {
+		nationalSignificantNumber,
+		international,
+		nationalPrefix,
+		complexPrefixBeforeNationalSignificantNumber
+	}) {
+		let pattern = format.pattern()
+
+		/* istanbul ignore else */
+		if (SUPPORT_LEGACY_FORMATTING_PATTERNS) {
+			pattern = pattern
+				// Replace anything in the form of [..] with \d
+				.replace(CREATE_CHARACTER_CLASS_PATTERN(), '\\d')
+				// Replace any standalone digit (not the one in `{}`) with \d
+				.replace(CREATE_STANDALONE_DIGIT_PATTERN(), '\\d')
+		}
+
+		// Generate a dummy national number (consisting of `9`s)
+		// that fits this format's `pattern`.
+		//
+		// This match will always succeed,
+		// because the "longest dummy phone number"
+		// has enough length to accomodate any possible
+		// national phone number format pattern.
+		//
+		let digits = LONGEST_DUMMY_PHONE_NUMBER.match(pattern)[0]
+
+		// If the national number entered is too long
+		// for any phone number format, then abort.
+		if (nationalSignificantNumber.length > digits.length) {
+			return
+		}
+
+		// Get a formatting template which can be used to efficiently format
+		// a partial number where digits are added one by one.
+
+		// Below `strictPattern` is used for the
+		// regular expression (with `^` and `$`).
+		// This wasn't originally in Google's `libphonenumber`
+		// and I guess they don't really need it
+		// because they're not using "templates" to format phone numbers
+		// but I added `strictPattern` after encountering
+		// South Korean phone number formatting bug.
+		//
+		// Non-strict regular expression bug demonstration:
+		//
+		// this.nationalSignificantNumber : `111111111` (9 digits)
+		//
+		// pattern : (\d{2})(\d{3,4})(\d{4})
+		// format : `$1 $2 $3`
+		// digits : `9999999999` (10 digits)
+		//
+		// '9999999999'.replace(new RegExp(/(\d{2})(\d{3,4})(\d{4})/g), '$1 $2 $3') = "99 9999 9999"
+		//
+		// template : xx xxxx xxxx
+		//
+		// But the correct template in this case is `xx xxx xxxx`.
+		// The template was generated incorrectly because of the
+		// `{3,4}` variability in the `pattern`.
+		//
+		// The fix is, if `this.nationalSignificantNumber` has already sufficient length
+		// to satisfy the `pattern` completely then `this.nationalSignificantNumber`
+		// is used instead of `digits`.
+
+		const strictPattern = new RegExp('^' + pattern + '$')
+		const nationalNumberDummyDigits = nationalSignificantNumber.replace(/\d/g, DUMMY_DIGIT)
+
+		// If `this.nationalSignificantNumber` has already sufficient length
+		// to satisfy the `pattern` completely then use it
+		// instead of `digits`.
+		if (strictPattern.test(nationalNumberDummyDigits)) {
+			digits = nationalNumberDummyDigits
+		}
+
+		let numberFormat = this.getFormatFormat(format, international)
+		let nationalPrefixIncludedInTemplate
+
+		// If a user did input a national prefix (and that's guaranteed),
+		// and if a `format` does have a national prefix formatting rule,
+		// then see if that national prefix formatting rule
+		// prepends exactly the same national prefix the user has input.
+		// If that's the case, then use the `format` with the national prefix formatting rule.
+		// Otherwise, use  the `format` without the national prefix formatting rule,
+		// and prepend a national prefix manually to it.
+		if (this.shouldTryNationalPrefixFormattingRule(format, { international, nationalPrefix })) {
+			const numberFormatWithNationalPrefix = numberFormat.replace(
+				FIRST_GROUP_PATTERN,
+				format.nationalPrefixFormattingRule()
+			)
+			// If `national_prefix_formatting_rule` of a `format` simply prepends
+			// national prefix at the start of a national (significant) number,
+			// then such formatting can be used with `AsYouType` formatter.
+			// There seems to be no `else` case: everywhere in metadata,
+			// national prefix formatting rule is national prefix + $1,
+			// or `($1)`, in which case such format isn't even considered
+			// when the user has input a national prefix.
+			/* istanbul ignore else */
+			if (parseDigits(format.nationalPrefixFormattingRule()) === (nationalPrefix || '') + parseDigits('$1')) {
+				numberFormat = numberFormatWithNationalPrefix
+				nationalPrefixIncludedInTemplate = true
+				// Replace all digits of the national prefix in the formatting template
+				// with `DIGIT_PLACEHOLDER`s.
+				if (nationalPrefix) {
+					let i = nationalPrefix.length
+					while (i > 0) {
+						numberFormat = numberFormat.replace(/\d/, DIGIT_PLACEHOLDER)
+						i--
+					}
+				}
+			}
+		}
+
+		// Generate formatting template for this phone number format.
+		let template = digits
+			// Format the dummy phone number according to the format.
+			.replace(new RegExp(pattern), numberFormat)
+			// Replace each dummy digit with a DIGIT_PLACEHOLDER.
+			.replace(new RegExp(DUMMY_DIGIT, 'g'), DIGIT_PLACEHOLDER)
+
+		// If a prefix of a national (significant) number is not as simple
+		// as just a basic national prefix, then just prepend such prefix
+		// before the national (significant) number, optionally spacing
+		// the two with a whitespace.
+		if (!nationalPrefixIncludedInTemplate) {
+			if (complexPrefixBeforeNationalSignificantNumber) {
+				// Prepend the prefix to the template manually.
+				template = repeat(DIGIT_PLACEHOLDER, complexPrefixBeforeNationalSignificantNumber.length) +
+					' ' +
+					template
+			} else if (nationalPrefix) {
+				// Prepend national prefix to the template manually.
+				template = repeat(DIGIT_PLACEHOLDER, nationalPrefix.length) +
+					this.getSeparatorAfterNationalPrefix(format) +
+					template
+			}
+		}
+
+		if (international) {
+			template = applyInternationalSeparatorStyle(template)
+		}
+
+		return template
+	}
+
+	formatNextNationalNumberDigits(digits) {
+		const result = populateTemplateWithDigits(
+			this.populatedNationalNumberTemplate,
+			this.populatedNationalNumberTemplatePosition,
+			digits
+		)
+
+		if (!result) {
+			// Reset the format.
+			this.resetFormat()
+			return
+		}
+
+		this.populatedNationalNumberTemplate = result[0]
+		this.populatedNationalNumberTemplatePosition = result[1]
+
+		// Return the formatted phone number so far.
+		return cutAndStripNonPairedParens(this.populatedNationalNumberTemplate, this.populatedNationalNumberTemplatePosition + 1)
+
+		// The old way which was good for `input-format` but is not so good
+		// for `react-phone-number-input`'s default input (`InputBasic`).
+		// return closeNonPairedParens(this.populatedNationalNumberTemplate, this.populatedNationalNumberTemplatePosition + 1)
+		// 	.replace(new RegExp(DIGIT_PLACEHOLDER, 'g'), ' ')
+	}
+
+	shouldTryNationalPrefixFormattingRule(format, { international, nationalPrefix }) {
+		if (format.nationalPrefixFormattingRule()) {
+			// In some countries, `national_prefix_formatting_rule` is `($1)`,
+			// so it applies even if the user hasn't input a national prefix.
+			// `format.usesNationalPrefix()` detects such cases.
+			const usesNationalPrefix = format.usesNationalPrefix()
+			if ((usesNationalPrefix && nationalPrefix) ||
+				(!usesNationalPrefix && !international)) {
+				return true
+			}
+		}
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeFormatter.util.js

@@ -0,0 +1,100 @@
+// Should be the same as `DIGIT_PLACEHOLDER` in `libphonenumber-metadata-generator`.
+export const DIGIT_PLACEHOLDER = 'x' // '\u2008' (punctuation space)
+const DIGIT_PLACEHOLDER_MATCHER = new RegExp(DIGIT_PLACEHOLDER)
+
+// Counts all occurences of a symbol in a string.
+// Unicode-unsafe (because using `.split()`).
+export function countOccurences(symbol, string) {
+	let count = 0
+	// Using `.split('')` to iterate through a string here
+	// to avoid requiring `Symbol.iterator` polyfill.
+	// `.split('')` is generally not safe for Unicode,
+	// but in this particular case for counting brackets it is safe.
+	// for (const character of string)
+	for (const character of string.split('')) {
+		if (character === symbol) {
+			count++
+		}
+	}
+	return count
+}
+
+// Repeats a string (or a symbol) N times.
+// http://stackoverflow.com/questions/202605/repeat-string-javascript
+export function repeat(string, times) {
+	if (times < 1) {
+		return ''
+	}
+	let result = ''
+	while (times > 1) {
+		if (times & 1) {
+			result += string
+		}
+		times >>= 1
+		string += string
+	}
+	return result + string
+}
+
+export function cutAndStripNonPairedParens(string, cutBeforeIndex) {
+	if (string[cutBeforeIndex] === ')') {
+		cutBeforeIndex++
+	}
+	return stripNonPairedParens(string.slice(0, cutBeforeIndex))
+}
+
+export function closeNonPairedParens(template, cut_before) {
+	const retained_template = template.slice(0, cut_before)
+	const opening_braces = countOccurences('(', retained_template)
+	const closing_braces = countOccurences(')', retained_template)
+	let dangling_braces = opening_braces - closing_braces
+	while (dangling_braces > 0 && cut_before < template.length) {
+		if (template[cut_before] === ')') {
+			dangling_braces--
+		}
+		cut_before++
+	}
+	return template.slice(0, cut_before)
+}
+
+export function stripNonPairedParens(string) {
+	const dangling_braces =[]
+	let i = 0
+	while (i < string.length) {
+		if (string[i] === '(') {
+			dangling_braces.push(i)
+		}
+		else if (string[i] === ')') {
+			dangling_braces.pop()
+		}
+		i++
+	}
+	let start = 0
+	let cleared_string = ''
+	dangling_braces.push(string.length)
+	for (const index of dangling_braces) {
+		cleared_string += string.slice(start, index)
+		start = index + 1
+	}
+	return cleared_string
+}
+
+export function populateTemplateWithDigits(template, position, digits) {
+	// Using `.split('')` to iterate through a string here
+	// to avoid requiring `Symbol.iterator` polyfill.
+	// `.split('')` is generally not safe for Unicode,
+	// but in this particular case for `digits` it is safe.
+	// for (const digit of digits)
+	for (const digit of digits.split('')) {
+		// If there is room for more digits in current `template`,
+		// then set the next digit in the `template`,
+		// and return the formatted digits so far.
+		// If more digits are entered than the current format could handle.
+		if (template.slice(position + 1).search(DIGIT_PLACEHOLDER_MATCHER) < 0) {
+			return
+		}
+		position = template.search(DIGIT_PLACEHOLDER_MATCHER)
+		template = template.replace(DIGIT_PLACEHOLDER_MATCHER, digit)
+	}
+	return [template, position]
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeFormatter.util.test.js

@@ -0,0 +1,22 @@
+import { closeNonPairedParens, stripNonPairedParens, repeat } from './AsYouTypeFormatter.util.js'
+
+describe('closeNonPairedParens', () => {
+	it('should close non-paired braces', () => {
+		closeNonPairedParens('(000) 123-45 (9  )', 15).should.equal('(000) 123-45 (9  )')
+	})
+})
+
+describe('stripNonPairedParens', () => {
+	it('should strip non-paired braces', () => {
+		stripNonPairedParens('(000) 123-45 (9').should.equal('(000) 123-45 9')
+		stripNonPairedParens('(000) 123-45 (9)').should.equal('(000) 123-45 (9)')
+	})
+})
+
+describe('repeat', () => {
+	it('should repeat string N times', () => {
+		repeat('a', 0).should.equal('')
+		repeat('a', 3).should.equal('aaa')
+		repeat('a', 4).should.equal('aaaa')
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeParser.js

@@ -0,0 +1,503 @@
+import extractCountryCallingCode from './helpers/extractCountryCallingCode.js'
+import extractCountryCallingCodeFromInternationalNumberWithoutPlusSign from './helpers/extractCountryCallingCodeFromInternationalNumberWithoutPlusSign.js'
+import extractNationalNumberFromPossiblyIncompleteNumber from './helpers/extractNationalNumberFromPossiblyIncompleteNumber.js'
+import stripIddPrefix from './helpers/stripIddPrefix.js'
+import parseDigits from './helpers/parseDigits.js'
+
+import {
+	VALID_DIGITS,
+	VALID_PUNCTUATION,
+	PLUS_CHARS
+} from './constants.js'
+
+const VALID_FORMATTED_PHONE_NUMBER_DIGITS_PART =
+	'[' +
+		VALID_PUNCTUATION +
+		VALID_DIGITS +
+	']+'
+
+const VALID_FORMATTED_PHONE_NUMBER_DIGITS_PART_PATTERN = new RegExp('^' + VALID_FORMATTED_PHONE_NUMBER_DIGITS_PART + '$', 'i')
+
+const VALID_FORMATTED_PHONE_NUMBER_PART =
+	'(?:' +
+		'[' + PLUS_CHARS + ']' +
+		'[' +
+			VALID_PUNCTUATION +
+			VALID_DIGITS +
+		']*' +
+		'|' +
+		'[' +
+			VALID_PUNCTUATION +
+			VALID_DIGITS +
+		']+' +
+	')'
+
+const AFTER_PHONE_NUMBER_DIGITS_END_PATTERN = new RegExp(
+	'[^' +
+		VALID_PUNCTUATION +
+		VALID_DIGITS +
+	']+' +
+	'.*' +
+	'$'
+)
+
+// Tests whether `national_prefix_for_parsing` could match
+// different national prefixes.
+// Matches anything that's not a digit or a square bracket.
+const COMPLEX_NATIONAL_PREFIX = /[^\d\[\]]/
+
+export default class AsYouTypeParser {
+	constructor({
+		defaultCountry,
+		defaultCallingCode,
+		metadata,
+		onNationalSignificantNumberChange
+	}) {
+		this.defaultCountry = defaultCountry
+		this.defaultCallingCode = defaultCallingCode
+		this.metadata = metadata
+		this.onNationalSignificantNumberChange = onNationalSignificantNumberChange
+	}
+
+	input(text, state) {
+		const [formattedDigits, hasPlus] = extractFormattedDigitsAndPlus(text)
+		const digits = parseDigits(formattedDigits)
+		// Checks for a special case: just a leading `+` has been entered.
+		let justLeadingPlus
+		if (hasPlus) {
+			if (!state.digits) {
+				state.startInternationalNumber()
+				if (!digits) {
+					justLeadingPlus = true
+				}
+			}
+		}
+		if (digits) {
+			this.inputDigits(digits, state)
+		}
+		return {
+			digits,
+			justLeadingPlus
+		}
+	}
+
+	/**
+	 * Inputs "next" phone number digits.
+	 * @param  {string} digits
+	 * @return {string} [formattedNumber] Formatted national phone number (if it can be formatted at this stage). Returning `undefined` means "don't format the national phone number at this stage".
+	 */
+	inputDigits(nextDigits, state) {
+		const { digits } = state
+		const hasReceivedThreeLeadingDigits = digits.length < 3 && digits.length + nextDigits.length >= 3
+
+		// Append phone number digits.
+		state.appendDigits(nextDigits)
+
+		// Attempt to extract IDD prefix:
+		// Some users input their phone number in international format,
+		// but in an "out-of-country" dialing format instead of using the leading `+`.
+		// https://github.com/catamphetamine/libphonenumber-js/issues/185
+		// Detect such numbers as soon as there're at least 3 digits.
+		// Google's library attempts to extract IDD prefix at 3 digits,
+		// so this library just copies that behavior.
+		// I guess that's because the most commot IDD prefixes are
+		// `00` (Europe) and `011` (US).
+		// There exist really long IDD prefixes too:
+		// for example, in Australia the default IDD prefix is `0011`,
+		// and it could even be as long as `14880011`.
+		// An IDD prefix is extracted here, and then every time when
+		// there's a new digit and the number couldn't be formatted.
+		if (hasReceivedThreeLeadingDigits) {
+			this.extractIddPrefix(state)
+		}
+
+		if (this.isWaitingForCountryCallingCode(state)) {
+			if (!this.extractCountryCallingCode(state)) {
+				return
+			}
+		} else {
+			state.appendNationalSignificantNumberDigits(nextDigits)
+		}
+
+		// If a phone number is being input in international format,
+		// then it's not valid for it to have a national prefix.
+		// Still, some people incorrectly input such numbers with a national prefix.
+		// In such cases, only attempt to strip a national prefix if the number becomes too long.
+		// (but that is done later, not here)
+		if (!state.international) {
+			if (!this.hasExtractedNationalSignificantNumber) {
+				this.extractNationalSignificantNumber(
+					state.getNationalDigits(),
+					(stateUpdate) => state.update(stateUpdate)
+				)
+			}
+		}
+	}
+
+	isWaitingForCountryCallingCode({ international, callingCode }) {
+		return international && !callingCode
+	}
+
+	// Extracts a country calling code from a number
+	// being entered in internatonal format.
+	extractCountryCallingCode(state) {
+		const { countryCallingCode, number } = extractCountryCallingCode(
+			'+' + state.getDigitsWithoutInternationalPrefix(),
+			this.defaultCountry,
+			this.defaultCallingCode,
+			this.metadata.metadata
+		)
+		if (countryCallingCode) {
+			state.setCallingCode(countryCallingCode)
+			state.update({
+				nationalSignificantNumber: number
+			})
+			return true
+		}
+	}
+
+	reset(numberingPlan) {
+		if (numberingPlan) {
+			this.hasSelectedNumberingPlan = true
+			const nationalPrefixForParsing = numberingPlan._nationalPrefixForParsing()
+			this.couldPossiblyExtractAnotherNationalSignificantNumber = nationalPrefixForParsing && COMPLEX_NATIONAL_PREFIX.test(nationalPrefixForParsing)
+		} else {
+			this.hasSelectedNumberingPlan = undefined
+			this.couldPossiblyExtractAnotherNationalSignificantNumber = undefined
+		}
+	}
+
+	/**
+	 * Extracts a national (significant) number from user input.
+	 * Google's library is different in that it only applies `national_prefix_for_parsing`
+	 * and doesn't apply `national_prefix_transform_rule` after that.
+	 * https://github.com/google/libphonenumber/blob/a3d70b0487875475e6ad659af404943211d26456/java/libphonenumber/src/com/google/i18n/phonenumbers/AsYouTypeFormatter.java#L539
+	 * @return {boolean} [extracted]
+	 */
+	extractNationalSignificantNumber(nationalDigits, setState) {
+		if (!this.hasSelectedNumberingPlan) {
+			return
+		}
+		const {
+			nationalPrefix,
+			nationalNumber,
+			carrierCode
+		} = extractNationalNumberFromPossiblyIncompleteNumber(
+			nationalDigits,
+			this.metadata
+		)
+		if (nationalNumber === nationalDigits) {
+			return
+		}
+		this.onExtractedNationalNumber(
+			nationalPrefix,
+			carrierCode,
+			nationalNumber,
+			nationalDigits,
+			setState
+		)
+		return true
+	}
+
+	/**
+	 * In Google's code this function is called "attempt to extract longer NDD".
+	 * "Some national prefixes are a substring of others", they say.
+	 * @return {boolean} [result] — Returns `true` if extracting a national prefix produced different results from what they were.
+	 */
+	extractAnotherNationalSignificantNumber(nationalDigits, prevNationalSignificantNumber, setState) {
+		if (!this.hasExtractedNationalSignificantNumber) {
+			return this.extractNationalSignificantNumber(nationalDigits, setState)
+		}
+		if (!this.couldPossiblyExtractAnotherNationalSignificantNumber) {
+			return
+		}
+		const {
+			nationalPrefix,
+			nationalNumber,
+			carrierCode
+		} = extractNationalNumberFromPossiblyIncompleteNumber(
+			nationalDigits,
+			this.metadata
+		)
+		// If a national prefix has been extracted previously,
+		// then it's always extracted as additional digits are added.
+		// That's assuming `extractNationalNumberFromPossiblyIncompleteNumber()`
+		// doesn't do anything different from what it currently does.
+		// So, just in case, here's this check, though it doesn't occur.
+		/* istanbul ignore if */
+		if (nationalNumber === prevNationalSignificantNumber) {
+			return
+		}
+		this.onExtractedNationalNumber(
+			nationalPrefix,
+			carrierCode,
+			nationalNumber,
+			nationalDigits,
+			setState
+		)
+		return true
+	}
+
+	onExtractedNationalNumber(
+		nationalPrefix,
+		carrierCode,
+		nationalSignificantNumber,
+		nationalDigits,
+		setState
+	) {
+		let complexPrefixBeforeNationalSignificantNumber
+		let nationalSignificantNumberMatchesInput
+		// This check also works with empty `this.nationalSignificantNumber`.
+		const nationalSignificantNumberIndex = nationalDigits.lastIndexOf(nationalSignificantNumber)
+		// If the extracted national (significant) number is the
+		// last substring of the `digits`, then it means that it hasn't been altered:
+		// no digits have been removed from the national (significant) number
+		// while applying `national_prefix_transform_rule`.
+		// https://gitlab.com/catamphetamine/libphonenumber-js/-/blob/master/METADATA.md#national_prefix_for_parsing--national_prefix_transform_rule
+		if (nationalSignificantNumberIndex >= 0 &&
+			nationalSignificantNumberIndex === nationalDigits.length - nationalSignificantNumber.length) {
+			nationalSignificantNumberMatchesInput = true
+			// If a prefix of a national (significant) number is not as simple
+			// as just a basic national prefix, then such prefix is stored in
+			// `this.complexPrefixBeforeNationalSignificantNumber` property and will be
+			// prepended "as is" to the national (significant) number to produce
+			// a formatted result.
+			const prefixBeforeNationalNumber = nationalDigits.slice(0, nationalSignificantNumberIndex)
+			// `prefixBeforeNationalNumber` is always non-empty,
+			// because `onExtractedNationalNumber()` isn't called
+			// when a national (significant) number hasn't been actually "extracted":
+			// when a national (significant) number is equal to the national part of `digits`,
+			// then `onExtractedNationalNumber()` doesn't get called.
+			if (prefixBeforeNationalNumber !== nationalPrefix) {
+				complexPrefixBeforeNationalSignificantNumber = prefixBeforeNationalNumber
+			}
+		}
+		setState({
+			nationalPrefix,
+			carrierCode,
+			nationalSignificantNumber,
+			nationalSignificantNumberMatchesInput,
+			complexPrefixBeforeNationalSignificantNumber
+		})
+		// `onExtractedNationalNumber()` is only called when
+		// the national (significant) number actually did change.
+		this.hasExtractedNationalSignificantNumber = true
+		this.onNationalSignificantNumberChange()
+	}
+
+	reExtractNationalSignificantNumber(state) {
+		// Attempt to extract a national prefix.
+		//
+		// Some people incorrectly input national prefix
+		// in an international phone number.
+		// For example, some people write British phone numbers as `+44(0)...`.
+		//
+		// Also, in some rare cases, it is valid for a national prefix
+		// to be a part of an international phone number.
+		// For example, mobile phone numbers in Mexico are supposed to be
+		// dialled internationally using a `1` national prefix,
+		// so the national prefix will be part of an international number.
+		//
+		// Quote from:
+		// https://www.mexperience.com/dialing-cell-phones-in-mexico/
+		//
+		// "Dialing a Mexican cell phone from abroad
+		// When you are calling a cell phone number in Mexico from outside Mexico,
+		// it’s necessary to dial an additional “1” after Mexico’s country code
+		// (which is “52”) and before the area code.
+		// You also ignore the 045, and simply dial the area code and the
+		// cell phone’s number.
+		//
+		// If you don’t add the “1”, you’ll receive a recorded announcement
+		// asking you to redial using it.
+		//
+		// For example, if you are calling from the USA to a cell phone
+		// in Mexico City, you would dial +52 – 1 – 55 – 1234 5678.
+		// (Note that this is different to calling a land line in Mexico City
+		// from abroad, where the number dialed would be +52 – 55 – 1234 5678)".
+		//
+		// Google's demo output:
+		// https://libphonenumber.appspot.com/phonenumberparser?number=%2b5215512345678&country=MX
+		//
+		if (this.extractAnotherNationalSignificantNumber(
+			state.getNationalDigits(),
+			state.nationalSignificantNumber,
+			(stateUpdate) => state.update(stateUpdate)
+		)) {
+			return true
+		}
+		// If no format matches the phone number, then it could be
+		// "a really long IDD" (quote from a comment in Google's library).
+		// An IDD prefix is first extracted when the user has entered at least 3 digits,
+		// and then here — every time when there's a new digit and the number
+		// couldn't be formatted.
+		// For example, in Australia the default IDD prefix is `0011`,
+		// and it could even be as long as `14880011`.
+		//
+		// Could also check `!hasReceivedThreeLeadingDigits` here
+		// to filter out the case when this check duplicates the one
+		// already performed when there're 3 leading digits,
+		// but it's not a big deal, and in most cases there
+		// will be a suitable `format` when there're 3 leading digits.
+		//
+		if (this.extractIddPrefix(state)) {
+			this.extractCallingCodeAndNationalSignificantNumber(state)
+			return true
+		}
+		// Google's AsYouType formatter supports sort of an "autocorrection" feature
+		// when it "autocorrects" numbers that have been input for a country
+		// with that country's calling code.
+		// Such "autocorrection" feature looks weird, but different people have been requesting it:
+		// https://github.com/catamphetamine/libphonenumber-js/issues/376
+		// https://github.com/catamphetamine/libphonenumber-js/issues/375
+		// https://github.com/catamphetamine/libphonenumber-js/issues/316
+		if (this.fixMissingPlus(state)) {
+			this.extractCallingCodeAndNationalSignificantNumber(state)
+			return true
+		}
+	}
+
+	extractIddPrefix(state) {
+		// An IDD prefix can't be present in a number written with a `+`.
+		// Also, don't re-extract an IDD prefix if has already been extracted.
+		const {
+			international,
+			IDDPrefix,
+			digits,
+			nationalSignificantNumber
+		} = state
+		if (international || IDDPrefix) {
+			return
+		}
+		// Some users input their phone number in "out-of-country"
+		// dialing format instead of using the leading `+`.
+		// https://github.com/catamphetamine/libphonenumber-js/issues/185
+		// Detect such numbers.
+		const numberWithoutIDD = stripIddPrefix(
+			digits,
+			this.defaultCountry,
+			this.defaultCallingCode,
+			this.metadata.metadata
+		)
+		if (numberWithoutIDD !== undefined && numberWithoutIDD !== digits) {
+			// If an IDD prefix was stripped then convert the IDD-prefixed number
+			// to international number for subsequent parsing.
+			state.update({
+				IDDPrefix: digits.slice(0, digits.length - numberWithoutIDD.length)
+			})
+			this.startInternationalNumber(state, {
+				country: undefined,
+				callingCode: undefined
+			})
+			return true
+		}
+	}
+
+	fixMissingPlus(state) {
+		if (!state.international) {
+			const {
+				countryCallingCode: newCallingCode,
+				number
+			} = extractCountryCallingCodeFromInternationalNumberWithoutPlusSign(
+				state.digits,
+				this.defaultCountry,
+				this.defaultCallingCode,
+				this.metadata.metadata
+			)
+			if (newCallingCode) {
+				state.update({
+					missingPlus: true
+				})
+				this.startInternationalNumber(state, {
+					country: state.country,
+					callingCode: newCallingCode
+				})
+				return true
+			}
+		}
+	}
+
+	startInternationalNumber(state, { country, callingCode }) {
+		state.startInternationalNumber(country, callingCode)
+		// If a national (significant) number has been extracted before, reset it.
+		if (state.nationalSignificantNumber) {
+			state.resetNationalSignificantNumber()
+			this.onNationalSignificantNumberChange()
+			this.hasExtractedNationalSignificantNumber = undefined
+		}
+	}
+
+	extractCallingCodeAndNationalSignificantNumber(state) {
+		if (this.extractCountryCallingCode(state)) {
+			// `this.extractCallingCode()` is currently called when the number
+			// couldn't be formatted during the standard procedure.
+			// Normally, the national prefix would be re-extracted
+			// for an international number if such number couldn't be formatted,
+			// but since it's already not able to be formatted,
+			// there won't be yet another retry, so also extract national prefix here.
+			this.extractNationalSignificantNumber(
+				state.getNationalDigits(),
+				(stateUpdate) => state.update(stateUpdate)
+			)
+		}
+	}
+}
+
+/**
+ * Extracts formatted phone number from text (if there's any).
+ * @param  {string} text
+ * @return {string} [formattedPhoneNumber]
+ */
+function extractFormattedPhoneNumber(text) {
+	// Attempt to extract a possible number from the string passed in.
+	const startsAt = text.search(VALID_FORMATTED_PHONE_NUMBER_PART)
+	if (startsAt < 0) {
+		return
+	}
+	// Trim everything to the left of the phone number.
+	text = text.slice(startsAt)
+	// Trim the `+`.
+	let hasPlus
+	if (text[0] === '+') {
+		hasPlus = true
+		text = text.slice('+'.length)
+	}
+	// Trim everything to the right of the phone number.
+	text = text.replace(AFTER_PHONE_NUMBER_DIGITS_END_PATTERN, '')
+	// Re-add the previously trimmed `+`.
+	if (hasPlus) {
+		text = '+' + text
+	}
+	return text
+}
+
+/**
+ * Extracts formatted phone number digits (and a `+`) from text (if there're any).
+ * @param  {string} text
+ * @return {any[]}
+ */
+function _extractFormattedDigitsAndPlus(text) {
+	// Extract a formatted phone number part from text.
+	const extractedNumber = extractFormattedPhoneNumber(text) || ''
+	// Trim a `+`.
+	if (extractedNumber[0] === '+') {
+		return [extractedNumber.slice('+'.length), true]
+	}
+	return [extractedNumber]
+}
+
+/**
+ * Extracts formatted phone number digits (and a `+`) from text (if there're any).
+ * @param  {string} text
+ * @return {any[]}
+ */
+export function extractFormattedDigitsAndPlus(text) {
+	let [formattedDigits, hasPlus] = _extractFormattedDigitsAndPlus(text)
+	// If the extracted phone number part
+	// can possibly be a part of some valid phone number
+	// then parse phone number characters from a formatted phone number.
+	if (!VALID_FORMATTED_PHONE_NUMBER_DIGITS_PART_PATTERN.test(formattedDigits)) {
+		formattedDigits = ''
+	}
+	return [formattedDigits, hasPlus]
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/AsYouTypeState.js

@@ -0,0 +1,106 @@
+// This "state" object simply holds the state of the "AsYouType" parser:
+//
+// * `country?: string`
+// * `callingCode?: string`
+// * `digits: string`
+// * `international: boolean`
+// * `missingPlus: boolean`
+// * `IDDPrefix?: string`
+// * `carrierCode?: string`
+// * `nationalPrefix?: string`
+// * `nationalSignificantNumber?: string`
+// * `nationalSignificantNumberMatchesInput: boolean`
+// * `complexPrefixBeforeNationalSignificantNumber?: string`
+//
+// `state.country` and `state.callingCode` aren't required to be in sync.
+// For example, `state.country` could be `"AR"` and `state.callingCode` could be `undefined`.
+// So `state.country` and `state.callingCode` are totally independent.
+//
+export default class AsYouTypeState {
+	constructor({ onCountryChange, onCallingCodeChange }) {
+		this.onCountryChange = onCountryChange
+		this.onCallingCodeChange = onCallingCodeChange
+	}
+
+	reset({ country, callingCode }) {
+		this.international = false
+		this.missingPlus = false
+		this.IDDPrefix = undefined
+		this.callingCode = undefined
+		this.digits = ''
+		this.resetNationalSignificantNumber()
+		this.initCountryAndCallingCode(country, callingCode)
+	}
+
+	resetNationalSignificantNumber() {
+		this.nationalSignificantNumber = this.getNationalDigits()
+		this.nationalSignificantNumberMatchesInput = true
+		this.nationalPrefix = undefined
+		this.carrierCode = undefined
+		this.complexPrefixBeforeNationalSignificantNumber = undefined
+	}
+
+	update(properties) {
+		for (const key of Object.keys(properties)) {
+			this[key] = properties[key]
+		}
+	}
+
+	initCountryAndCallingCode(country, callingCode) {
+		this.setCountry(country)
+		this.setCallingCode(callingCode)
+	}
+
+	setCountry(country) {
+		this.country = country
+		this.onCountryChange(country)
+	}
+
+	setCallingCode(callingCode) {
+		this.callingCode = callingCode
+		this.onCallingCodeChange(callingCode, this.country)
+	}
+
+	startInternationalNumber(country, callingCode) {
+		// Prepend the `+` to parsed input.
+		this.international = true
+		// If a default country was set then reset it
+		// because an explicitly international phone
+		// number is being entered.
+		this.initCountryAndCallingCode(country, callingCode)
+	}
+
+	appendDigits(nextDigits) {
+		this.digits += nextDigits
+	}
+
+	appendNationalSignificantNumberDigits(nextDigits) {
+		this.nationalSignificantNumber += nextDigits
+	}
+
+	/**
+	 * Returns the part of `this.digits` that corresponds to the national number.
+	 * Basically, all digits that have been input by the user, except for the
+	 * international prefix and the country calling code part
+	 * (if the number is an international one).
+	 * @return {string}
+	 */
+	getNationalDigits() {
+		if (this.international) {
+			return this.digits.slice(
+				(this.IDDPrefix ? this.IDDPrefix.length : 0) +
+				(this.callingCode ? this.callingCode.length : 0)
+			)
+		}
+		return this.digits
+	}
+
+	getDigitsWithoutInternationalPrefix() {
+		if (this.international) {
+			if (this.IDDPrefix) {
+				return this.digits.slice(this.IDDPrefix.length)
+			}
+		}
+		return this.digits
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/ParseError.js

@@ -0,0 +1,14 @@
+// https://stackoverflow.com/a/46971044/970769
+// "Breaking changes in Typescript 2.1"
+// "Extending built-ins like Error, Array, and Map may no longer work."
+// "As a recommendation, you can manually adjust the prototype immediately after any super(...) calls."
+// https://github.com/Microsoft/TypeScript-wiki/blob/main/Breaking-Changes.md#extending-built-ins-like-error-array-and-map-may-no-longer-work
+export default class ParseError extends Error {
+  constructor(code) {
+    super(code)
+    // Set the prototype explicitly.
+    // Any subclass of FooError will have to manually set the prototype as well.
+    Object.setPrototypeOf(this, ParseError.prototype)
+    this.name = this.constructor.name
+  }
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/PhoneNumber.js

@@ -0,0 +1,178 @@
+import Metadata, { validateMetadata } from './metadata.js'
+import isPossibleNumber from './isPossible.js'
+import isValidNumber from './isValid.js'
+// import checkNumberLength from './helpers/checkNumberLength.js'
+import getNumberType from './helpers/getNumberType.js'
+import getPossibleCountriesForNumber from './helpers/getPossibleCountriesForNumber.js'
+import extractCountryCallingCode from './helpers/extractCountryCallingCode.js'
+import isObject from './helpers/isObject.js'
+import formatNumber from './format.js'
+
+const USE_NON_GEOGRAPHIC_COUNTRY_CODE = false
+
+export default class PhoneNumber {
+	/**
+	 * @param  {string} countryOrCountryCallingCode
+	 * @param  {string} nationalNumber
+	 * @param  {object} metadata — Metadata JSON
+	 * @return {PhoneNumber}
+	 */
+	constructor(countryOrCountryCallingCode, nationalNumber, metadata) {
+		// Validate `countryOrCountryCallingCode` argument.
+		if (!countryOrCountryCallingCode) {
+			throw new TypeError('First argument is required')
+		}
+		if (typeof countryOrCountryCallingCode !== 'string') {
+			throw new TypeError('First argument must be a string')
+		}
+
+		// In case of public API use: `constructor(number, metadata)`.
+		// Transform the arguments from `constructor(number, metadata)` to
+		// `constructor(countryOrCountryCallingCode, nationalNumber, metadata)`.
+		if (countryOrCountryCallingCode[0] === '+' && !nationalNumber) {
+			throw new TypeError('`metadata` argument not passed')
+		}
+		if (isObject(nationalNumber) && isObject(nationalNumber.countries)) {
+			metadata = nationalNumber
+			const e164Number = countryOrCountryCallingCode
+			if (!E164_NUMBER_REGEXP.test(e164Number)) {
+				throw new Error('Invalid `number` argument passed: must consist of a "+" followed by digits')
+			}
+			const { countryCallingCode, number } = extractCountryCallingCode(e164Number, undefined, undefined, metadata)
+			nationalNumber = number
+			countryOrCountryCallingCode = countryCallingCode
+			if (!nationalNumber) {
+				throw new Error('Invalid `number` argument passed: too short')
+			}
+		}
+
+		// Validate `nationalNumber` argument.
+		if (!nationalNumber) {
+			throw new TypeError('`nationalNumber` argument is required')
+		}
+		if (typeof nationalNumber !== 'string') {
+			throw new TypeError('`nationalNumber` argument must be a string')
+		}
+
+		// Validate `metadata` argument.
+		validateMetadata(metadata)
+
+		// Initialize properties.
+		const { country, countryCallingCode } = getCountryAndCountryCallingCode(
+			countryOrCountryCallingCode,
+			metadata
+		)
+		this.country = country
+		this.countryCallingCode = countryCallingCode
+		this.nationalNumber = nationalNumber
+		this.number = '+' + this.countryCallingCode + this.nationalNumber
+		// Exclude `metadata` property output from `PhoneNumber.toString()`
+		// so that it doesn't clutter the console output of Node.js.
+		// Previously, when Node.js did `console.log(new PhoneNumber(...))`,
+		// it would output the whole internal structure of the `metadata` object.
+		this.getMetadata = () => metadata
+	}
+
+	setExt(ext) {
+		this.ext = ext
+	}
+
+	getPossibleCountries() {
+		if (this.country) {
+			return [this.country]
+		}
+		return getPossibleCountriesForNumber(
+			this.countryCallingCode,
+			this.nationalNumber,
+			this.getMetadata()
+		)
+	}
+
+	isPossible() {
+		return isPossibleNumber(this, { v2: true }, this.getMetadata())
+	}
+
+	isValid() {
+		return isValidNumber(this, { v2: true }, this.getMetadata())
+	}
+
+	isNonGeographic() {
+		const metadata = new Metadata(this.getMetadata())
+		return metadata.isNonGeographicCallingCode(this.countryCallingCode)
+	}
+
+	isEqual(phoneNumber) {
+		return this.number === phoneNumber.number && this.ext === phoneNumber.ext
+	}
+
+	// This function was originally meant to be an equivalent for `validatePhoneNumberLength()`,
+	// but later it was found out that it doesn't include the possible `TOO_SHORT` result
+	// returned from `parsePhoneNumberWithError()` in the original `validatePhoneNumberLength()`,
+	// so eventually I simply commented out this method from the `PhoneNumber` class
+	// and just left the `validatePhoneNumberLength()` function, even though that one would require
+	// and additional step to also validate the actual country / calling code of the phone number.
+	// validateLength() {
+	// 	const metadata = new Metadata(this.getMetadata())
+	// 	metadata.selectNumberingPlan(this.countryCallingCode)
+	// 	const result = checkNumberLength(this.nationalNumber, metadata)
+	// 	if (result !== 'IS_POSSIBLE') {
+	// 		return result
+	// 	}
+	// }
+
+	getType() {
+		return getNumberType(this, { v2: true }, this.getMetadata())
+	}
+
+	format(format, options) {
+		return formatNumber(
+			this,
+			format,
+			options ? { ...options, v2: true } : { v2: true },
+			this.getMetadata()
+		)
+	}
+
+	formatNational(options) {
+		return this.format('NATIONAL', options)
+	}
+
+	formatInternational(options) {
+		return this.format('INTERNATIONAL', options)
+	}
+
+	getURI(options) {
+		return this.format('RFC3966', options)
+	}
+}
+
+const isCountryCode = (value) => /^[A-Z]{2}$/.test(value)
+
+function getCountryAndCountryCallingCode(countryOrCountryCallingCode, metadataJson) {
+	let country
+	let countryCallingCode
+
+	const metadata = new Metadata(metadataJson)
+	// If country code is passed then derive `countryCallingCode` from it.
+	// Also store the country code as `.country`.
+	if (isCountryCode(countryOrCountryCallingCode)) {
+		country = countryOrCountryCallingCode
+		metadata.selectNumberingPlan(country)
+		countryCallingCode = metadata.countryCallingCode()
+	} else {
+		countryCallingCode = countryOrCountryCallingCode
+		/* istanbul ignore if */
+		if (USE_NON_GEOGRAPHIC_COUNTRY_CODE) {
+			if (metadata.isNonGeographicCallingCode(countryCallingCode)) {
+				country = '001'
+			}
+		}
+	}
+
+	return {
+		country,
+		countryCallingCode
+	}
+}
+
+const E164_NUMBER_REGEXP = /^\+\d+$/

SerpentRace_Backend/node_modules/libphonenumber-js/source/PhoneNumber.test.js

@@ -0,0 +1,125 @@
+import metadata from '../metadata.min.json' assert { type: 'json' }
+import PhoneNumber from './PhoneNumber.js'
+
+describe('PhoneNumber', () => {
+	it('should create a phone number via a public constructor', () => {
+		const phoneNumber = new PhoneNumber('+78005553535', metadata)
+		phoneNumber.setExt('1234')
+		expect(phoneNumber.country).to.be.undefined
+		phoneNumber.countryCallingCode.should.equal('7')
+		phoneNumber.nationalNumber.should.equal('8005553535')
+		phoneNumber.formatNational().should.equal('8 (800) 555-35-35 ext. 1234')
+	})
+
+	it('should validate constructor arguments (public constructor)', () => {
+		expect(() => new PhoneNumber()).to.throw('argument is required')
+		expect(() => new PhoneNumber(undefined, metadata)).to.throw('argument is required')
+		expect(() => new PhoneNumber('7', metadata)).to.throw('must consist of a "+"')
+		expect(() => new PhoneNumber('+7', metadata)).to.throw('too short')
+		expect(() => new PhoneNumber('+7800')).to.throw('`metadata` argument not passed')
+		expect(() => new PhoneNumber(1234567890)).to.throw('must be a string')
+		expect(() => new PhoneNumber('+1', 1234567890)).to.throw('must be a string')
+	})
+
+	it('should validate constructor arguments (private constructor)', () => {
+		expect(() => new PhoneNumber(undefined, '800', metadata)).to.throw('First argument is required')
+		expect(() => new PhoneNumber('7', undefined, metadata)).to.throw('`nationalNumber` argument is required')
+		expect(() => new PhoneNumber('7', '8005553535')).to.throw('`metadata` argument not passed')
+	})
+
+	it('should accept country code argument', () => {
+		const phoneNumber = new PhoneNumber('RU', '8005553535', metadata)
+		phoneNumber.countryCallingCode.should.equal('7')
+		phoneNumber.country.should.equal('RU')
+		phoneNumber.number.should.equal('+78005553535')
+	})
+
+	it('should format number with options', () => {
+		const phoneNumber = new PhoneNumber('7', '8005553535', metadata)
+		phoneNumber.ext = '123'
+		phoneNumber.format('NATIONAL', {
+			formatExtension: (number, extension) => `${number} доб. ${extension}`
+		})
+		.should.equal('8 (800) 555-35-35 доб. 123')
+	})
+
+	it('should compare phone numbers', () => {
+		new PhoneNumber('RU', '8005553535', metadata).isEqual(new PhoneNumber('RU', '8005553535', metadata)).should.equal(true)
+		new PhoneNumber('RU', '8005553535', metadata).isEqual(new PhoneNumber('7', '8005553535', metadata)).should.equal(true)
+		new PhoneNumber('RU', '8005553535', metadata).isEqual(new PhoneNumber('RU', '8005553536', metadata)).should.equal(false)
+	})
+
+	it('should tell if a number is non-geographic', () => {
+		new PhoneNumber('7', '8005553535', metadata).isNonGeographic().should.equal(false)
+		new PhoneNumber('870', '773111632', metadata).isNonGeographic().should.equal(true)
+	})
+
+	it('should allow setting extension', () => {
+		const phoneNumber = new PhoneNumber('1', '2133734253', metadata)
+		phoneNumber.setExt('1234')
+		phoneNumber.ext.should.equal('1234')
+		phoneNumber.formatNational().should.equal('(213) 373-4253 ext. 1234')
+	})
+
+	it('should return possible countries', () => {
+      // "599": [
+      //    "CW", //  "possible_lengths": [7, 8]
+      //    "BQ" //  "possible_lengths": [7]
+      // ]
+
+		let phoneNumber = new PhoneNumber('599', '123456', metadata)
+		expect(phoneNumber.country).to.be.undefined
+		phoneNumber.getPossibleCountries().should.deep.equal([])
+
+		phoneNumber = new PhoneNumber('599', '1234567', metadata)
+		expect(phoneNumber.country).to.be.undefined
+		phoneNumber.getPossibleCountries().should.deep.equal(['CW', 'BQ'])
+
+		phoneNumber = new PhoneNumber('599', '12345678', metadata)
+		expect(phoneNumber.country).to.be.undefined
+		phoneNumber.getPossibleCountries().should.deep.equal(['CW'])
+
+		phoneNumber = new PhoneNumber('599', '123456789', metadata)
+		expect(phoneNumber.country).to.be.undefined
+		phoneNumber.getPossibleCountries().should.deep.equal([])
+	})
+
+	it('should return possible countries in case of ambiguity', () => {
+		const phoneNumber = new PhoneNumber('1', '2223334444', metadata)
+		expect(phoneNumber.country).to.be.undefined
+		phoneNumber.getPossibleCountries().indexOf('US').should.equal(0)
+		phoneNumber.getPossibleCountries().length.should.equal(25)
+	})
+
+	// it('should return empty possible countries when no national number has been input', () => {
+	// 	const phoneNumber = new PhoneNumber('1', '', metadata)
+	// 	expect(phoneNumber.country).to.be.undefined
+	// 	phoneNumber.getPossibleCountries().should.deep.equal([])
+	// })
+
+	it('should return empty possible countries when not enough national number digits have been input', () => {
+		const phoneNumber = new PhoneNumber('1', '222', metadata)
+		expect(phoneNumber.country).to.be.undefined
+		phoneNumber.getPossibleCountries().should.deep.equal([])
+	})
+
+	it('should return possible countries in case of no ambiguity', () => {
+		const phoneNumber = new PhoneNumber('US', '2133734253', metadata)
+		phoneNumber.country.should.equal('US')
+		phoneNumber.getPossibleCountries().should.deep.equal(['US'])
+	})
+
+	it('should return empty possible countries in case of an unknown calling code', () => {
+		const phoneNumber = new PhoneNumber('777', '123', metadata)
+		expect(phoneNumber.country).to.be.undefined
+		phoneNumber.getPossibleCountries().should.deep.equal([])
+	})
+
+	// it('should validate phone number length', () => {
+	// 	const phoneNumber = new PhoneNumber('RU', '800', metadata)
+	// 	expect(phoneNumber.validateLength()).to.equal('TOO_SHORT')
+	//
+	// 	const phoneNumberValid = new PhoneNumber('RU', '8005553535', metadata)
+	// 	expect(phoneNumberValid.validateLength()).to.be.undefined
+	// })
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/PhoneNumberMatcher.js

@@ -0,0 +1,396 @@
+/**
+ * A port of Google's `PhoneNumberMatcher.java`.
+ * https://github.com/googlei18n/libphonenumber/blob/master/java/libphonenumber/src/com/google/i18n/phonenumbers/PhoneNumberMatcher.java
+ * Date: 08.03.2018.
+ */
+
+import PhoneNumber from './PhoneNumber.js'
+
+import {
+  MAX_LENGTH_FOR_NSN,
+  MAX_LENGTH_COUNTRY_CODE,
+  VALID_PUNCTUATION
+} from './constants.js'
+
+import createExtensionPattern from './helpers/extension/createExtensionPattern.js'
+
+import RegExpCache from './findNumbers/RegExpCache.js'
+
+import {
+	limit,
+	trimAfterFirstMatch
+} from './findNumbers/util.js'
+
+import {
+	_pL,
+	_pN,
+	pZ,
+	PZ,
+	pNd
+} from './findNumbers/utf-8.js'
+
+import Leniency from './findNumbers/Leniency.js'
+import parsePreCandidate from './findNumbers/parsePreCandidate.js'
+import isValidPreCandidate from './findNumbers/isValidPreCandidate.js'
+import isValidCandidate, { LEAD_CLASS } from './findNumbers/isValidCandidate.js'
+
+import { isSupportedCountry } from './metadata.js'
+
+import parsePhoneNumber from './parsePhoneNumber.js'
+
+const USE_NON_GEOGRAPHIC_COUNTRY_CODE = false
+
+const EXTN_PATTERNS_FOR_MATCHING = createExtensionPattern('matching')
+
+/**
+ * Patterns used to extract phone numbers from a larger phone-number-like pattern. These are
+ * ordered according to specificity. For example, white-space is last since that is frequently
+ * used in numbers, not just to separate two numbers. We have separate patterns since we don't
+ * want to break up the phone-number-like text on more than one different kind of symbol at one
+ * time, although symbols of the same type (e.g. space) can be safely grouped together.
+ *
+ * Note that if there is a match, we will always check any text found up to the first match as
+ * well.
+ */
+const INNER_MATCHES =
+[
+	// Breaks on the slash - e.g. "651-234-2345/332-445-1234"
+	'\\/+(.*)/',
+
+	// Note that the bracket here is inside the capturing group, since we consider it part of the
+	// phone number. Will match a pattern like "(650) 223 3345 (754) 223 3321".
+	'(\\([^(]*)',
+
+	// Breaks on a hyphen - e.g. "12345 - 332-445-1234 is my number."
+	// We require a space on either side of the hyphen for it to be considered a separator.
+	`(?:${pZ}-|-${pZ})${pZ}*(.+)`,
+
+	// Various types of wide hyphens. Note we have decided not to enforce a space here, since it's
+	// possible that it's supposed to be used to break two numbers without spaces, and we haven't
+	// seen many instances of it used within a number.
+	`[\u2012-\u2015\uFF0D]${pZ}*(.+)`,
+
+	// Breaks on a full stop - e.g. "12345. 332-445-1234 is my number."
+	`\\.+${pZ}*([^.]+)`,
+
+	// Breaks on space - e.g. "3324451234 8002341234"
+	`${pZ}+(${PZ}+)`
+]
+
+// Limit on the number of leading (plus) characters.
+const leadLimit = limit(0, 2)
+
+// Limit on the number of consecutive punctuation characters.
+const punctuationLimit = limit(0, 4)
+
+/* The maximum number of digits allowed in a digit-separated block. As we allow all digits in a
+ * single block, set high enough to accommodate the entire national number and the international
+ * country code. */
+const digitBlockLimit = MAX_LENGTH_FOR_NSN + MAX_LENGTH_COUNTRY_CODE
+
+// Limit on the number of blocks separated by punctuation.
+// Uses digitBlockLimit since some formats use spaces to separate each digit.
+const blockLimit = limit(0, digitBlockLimit)
+
+/* A punctuation sequence allowing white space. */
+const punctuation = `[${VALID_PUNCTUATION}]` + punctuationLimit
+
+// A digits block without punctuation.
+const digitSequence = pNd + limit(1, digitBlockLimit)
+
+/**
+ * Phone number pattern allowing optional punctuation.
+ * The phone number pattern used by `find()`, similar to
+ * VALID_PHONE_NUMBER, but with the following differences:
+ * <ul>
+ *   <li>All captures are limited in order to place an upper bound to the text matched by the
+ *       pattern.
+ * <ul>
+ *   <li>Leading punctuation / plus signs are limited.
+ *   <li>Consecutive occurrences of punctuation are limited.
+ *   <li>Number of digits is limited.
+ * </ul>
+ *   <li>No whitespace is allowed at the start or end.
+ *   <li>No alpha digits (vanity numbers such as 1-800-SIX-FLAGS) are currently supported.
+ * </ul>
+ */
+const PATTERN = '(?:' + LEAD_CLASS + punctuation + ')' + leadLimit
+	+ digitSequence + '(?:' + punctuation + digitSequence + ')' + blockLimit
+	+ '(?:' + EXTN_PATTERNS_FOR_MATCHING + ')?'
+
+// Regular expression of trailing characters that we want to remove.
+// We remove all characters that are not alpha or numerical characters.
+// The hash character is retained here, as it may signify
+// the previous block was an extension.
+//
+// // Don't know what does '&&' mean here.
+// const UNWANTED_END_CHAR_PATTERN = new RegExp(`[[\\P{N}&&\\P{L}]&&[^#]]+$`)
+//
+const UNWANTED_END_CHAR_PATTERN = new RegExp(`[^${_pN}${_pL}#]+$`)
+
+const NON_DIGITS_PATTERN = /(\D+)/
+
+const MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER || Math.pow(2, 53) - 1
+
+/**
+ * A stateful class that finds and extracts telephone numbers from {@linkplain CharSequence text}.
+ * Instances can be created using the {@linkplain PhoneNumberUtil#findNumbers factory methods} in
+ * {@link PhoneNumberUtil}.
+ *
+ * <p>Vanity numbers (phone numbers using alphabetic digits such as <tt>1-800-SIX-FLAGS</tt> are
+ * not found.
+ *
+ * <p>This class is not thread-safe.
+ */
+export default class PhoneNumberMatcher
+{
+  /**
+   * @param {string} text — the character sequence that we will search, null for no text.
+   * @param {'POSSIBLE'|'VALID'|'STRICT_GROUPING'|'EXACT_GROUPING'} [options.leniency] — The leniency to use when evaluating candidate phone numbers. See `source/findNumbers/Leniency.js` for more details.
+   * @param {number} [options.maxTries] — The maximum number of invalid numbers to try before giving up on the text. This is to cover degenerate cases where the text has a lot of false positives in it. Must be >= 0.
+   */
+  constructor(text = '', options = {}, metadata)
+  {
+    options = {
+      v2: options.v2,
+      defaultCallingCode: options.defaultCallingCode,
+      defaultCountry: options.defaultCountry && isSupportedCountry(options.defaultCountry, metadata) ? options.defaultCountry : undefined,
+      leniency: options.leniency || (options.extended ? 'POSSIBLE' : 'VALID'),
+      maxTries: options.maxTries || MAX_SAFE_INTEGER
+    }
+
+    // Validate `leniency`.
+		if (!options.leniency) {
+			throw new TypeError('`leniency` is required')
+		}
+    if (options.leniency !== 'POSSIBLE' && options.leniency !== 'VALID') {
+      throw new TypeError(`Invalid \`leniency\`: "${options.leniency}". Supported values: "POSSIBLE", "VALID".`)
+    }
+
+    // Validate `maxTries`.
+		if (options.maxTries < 0) {
+			throw new TypeError('`maxTries` must be `>= 0`')
+		}
+
+		this.text = text
+		this.options = options
+    this.metadata = metadata
+
+		// The degree of phone number validation.
+		this.leniency = Leniency[options.leniency]
+
+		if (!this.leniency) {
+			throw new TypeError(`Unknown leniency: "${options.leniency}"`)
+		}
+
+		/** The maximum number of retries after matching an invalid number. */
+		this.maxTries = options.maxTries
+
+		this.PATTERN = new RegExp(PATTERN, 'ig')
+
+    /** The iteration tristate. */
+    this.state = 'NOT_READY'
+
+    /** The next index to start searching at. Undefined in {@link State#DONE}. */
+    this.searchIndex = 0
+
+    // A cache for frequently used country-specific regular expressions. Set to 32 to cover ~2-3
+    // countries being used for the same doc with ~10 patterns for each country. Some pages will have
+    // a lot more countries in use, but typically fewer numbers for each so expanding the cache for
+    // that use-case won't have a lot of benefit.
+    this.regExpCache = new RegExpCache(32)
+  }
+
+  /**
+   * Attempts to find the next subsequence in the searched sequence on or after {@code searchIndex}
+   * that represents a phone number. Returns the next match, null if none was found.
+   *
+   * @param index  the search index to start searching at
+   * @return  the phone number match found, null if none can be found
+   */
+	find() {
+		// // Reset the regular expression.
+		// this.PATTERN.lastIndex = index
+
+		let matches
+		while ((this.maxTries > 0) && (matches = this.PATTERN.exec(this.text)) !== null) {
+			let candidate = matches[0]
+			const offset = matches.index
+
+			candidate = parsePreCandidate(candidate)
+
+			if (isValidPreCandidate(candidate, offset, this.text)) {
+				const match =
+					// Try to come up with a valid match given the entire candidate.
+					this.parseAndVerify(candidate, offset, this.text)
+					// If that failed, try to find an "inner match" -
+					// there might be a phone number within this candidate.
+					|| this.extractInnerMatch(candidate, offset, this.text)
+
+				if (match) {
+					if (this.options.v2) {
+						return {
+							startsAt: match.startsAt,
+							endsAt: match.endsAt,
+							number: match.phoneNumber
+						}
+					} else {
+            const { phoneNumber } = match
+
+            const result = {
+              startsAt: match.startsAt,
+              endsAt: match.endsAt,
+              phone: phoneNumber.nationalNumber
+            }
+
+            if (phoneNumber.country) {
+              /* istanbul ignore if */
+              if (USE_NON_GEOGRAPHIC_COUNTRY_CODE && country === '001') {
+                result.countryCallingCode = phoneNumber.countryCallingCode
+              } else {
+                result.country = phoneNumber.country
+              }
+            } else {
+              result.countryCallingCode = phoneNumber.countryCallingCode
+            }
+
+            if (phoneNumber.ext) {
+              result.ext = phoneNumber.ext
+            }
+
+            return result
+          }
+				}
+			}
+
+			this.maxTries--
+		}
+	}
+
+  /**
+   * Attempts to extract a match from `substring`
+   * if the substring itself does not qualify as a match.
+   */
+  extractInnerMatch(substring, offset, text) {
+    for (const innerMatchPattern of INNER_MATCHES) {
+      let isFirstMatch = true
+      let candidateMatch
+      const innerMatchRegExp = new RegExp(innerMatchPattern, 'g')
+      while (this.maxTries > 0 && (candidateMatch = innerMatchRegExp.exec(substring)) !== null) {
+        if (isFirstMatch) {
+          // We should handle any group before this one too.
+          const candidate = trimAfterFirstMatch(
+            UNWANTED_END_CHAR_PATTERN,
+            substring.slice(0, candidateMatch.index)
+          )
+
+          const match = this.parseAndVerify(candidate, offset, text)
+
+          if (match) {
+            return match
+          }
+
+          this.maxTries--
+          isFirstMatch = false
+        }
+
+        const candidate = trimAfterFirstMatch(UNWANTED_END_CHAR_PATTERN, candidateMatch[1])
+
+        // Java code does `groupMatcher.start(1)` here,
+        // but there's no way in javascript to get a `candidate` start index,
+        // therefore resort to using this kind of an approximation.
+        // (`groupMatcher` is called `candidateInSubstringMatch` in this javascript port)
+        // https://stackoverflow.com/questions/15934353/get-index-of-each-capture-in-a-javascript-regex
+        const candidateIndexGuess = substring.indexOf(candidate, candidateMatch.index)
+
+        const match = this.parseAndVerify(candidate, offset + candidateIndexGuess, text)
+        if (match) {
+          return match
+        }
+
+        this.maxTries--
+      }
+    }
+  }
+
+  /**
+   * Parses a phone number from the `candidate` using `parse` and
+   * verifies it matches the requested `leniency`. If parsing and verification succeed,
+   * a corresponding `PhoneNumberMatch` is returned, otherwise this method returns `null`.
+   *
+   * @param candidate  the candidate match
+   * @param offset  the offset of {@code candidate} within {@link #text}
+   * @return  the parsed and validated phone number match, or null
+   */
+  parseAndVerify(candidate, offset, text) {
+    if (!isValidCandidate(candidate, offset, text, this.options.leniency)) {
+      return
+  	}
+
+    const phoneNumber = parsePhoneNumber(
+      candidate,
+      {
+        extended: true,
+        defaultCountry: this.options.defaultCountry,
+        defaultCallingCode: this.options.defaultCallingCode
+      },
+      this.metadata
+    )
+
+    if (!phoneNumber) {
+      return
+    }
+
+    if (!phoneNumber.isPossible()) {
+      return
+    }
+
+    if (this.leniency(phoneNumber, {
+      candidate,
+      defaultCountry: this.options.defaultCountry,
+      metadata: this.metadata,
+      regExpCache: this.regExpCache
+    })) {
+      return {
+        startsAt: offset,
+        endsAt: offset + candidate.length,
+        phoneNumber
+      }
+    }
+  }
+
+  hasNext()
+  {
+    if (this.state === 'NOT_READY')
+    {
+      this.lastMatch = this.find() // (this.searchIndex)
+
+      if (this.lastMatch)
+      {
+        // this.searchIndex = this.lastMatch.endsAt
+        this.state = 'READY'
+      }
+      else
+      {
+        this.state = 'DONE'
+      }
+    }
+
+    return this.state === 'READY'
+  }
+
+  next()
+  {
+    // Check the state and find the next match as a side-effect if necessary.
+    if (!this.hasNext())
+    {
+      throw new Error('No next element')
+    }
+
+    // Don't retain that memory any longer than necessary.
+    const result = this.lastMatch
+    this.lastMatch = null
+    this.state = 'NOT_READY'
+    return result
+  }
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/PhoneNumberMatcher.test.js

@@ -0,0 +1,81 @@
+import PhoneNumberMatcher from './PhoneNumberMatcher.js'
+import metadata from '../metadata.min.json' assert { type: 'json' }
+
+function test(text, defaultCountry, expectedNumbers) {
+	if (typeof expectedNumbers === 'string') {
+		expectedNumbers = [{
+			nationalNumber: expectedNumbers
+		}]
+	}
+	const matcher = new PhoneNumberMatcher(text, { defaultCountry, v2: true }, metadata)
+	while (matcher.hasNext()) {
+		const number = matcher.next()
+		const phoneNumber = expectedNumbers.shift()
+		if (phoneNumber.startsAt !== undefined) {
+			number.startsAt.should.equal(phoneNumber.startsAt)
+		}
+		if (phoneNumber.endsAt !== undefined) {
+			number.endsAt.should.equal(phoneNumber.endsAt)
+		}
+		number.number.country.should.equal(phoneNumber.country || defaultCountry)
+		number.number.nationalNumber.should.equal(phoneNumber.nationalNumber)
+	}
+	expectedNumbers.length.should.equal(0)
+}
+
+describe('PhoneNumberMatcher', () => {
+	it('should find phone numbers', () => {
+		test(
+			'The number is +7 (800) 555-35-35 and not (213) 373-4253 as written in the document.',
+			'US',
+			[{
+				country: 'RU',
+				nationalNumber: '8005553535',
+				startsAt: 14,
+				endsAt: 32
+			}, {
+				country: 'US',
+				nationalNumber: '2133734253',
+				startsAt: 41,
+				endsAt: 55
+			}]
+		)
+	})
+
+	it('should find phone numbers from Mexico', () => {
+		// Test parsing fixed-line numbers of Mexico.
+		test('+52 (449)978-0001', 'MX', '4499780001')
+		test('01 (449)978-0001', 'MX', '4499780001')
+		test('(449)978-0001', 'MX', '4499780001')
+
+		// "Dialling tokens 01, 02, 044, 045 and 1 are removed as they are
+		//  no longer valid since August 2019."
+		// // Test parsing mobile numbers of Mexico.
+		// test('+52 1 33 1234-5678', 'MX', '3312345678')
+		// test('044 (33) 1234-5678', 'MX', '3312345678')
+		// test('045 33 1234-5678', 'MX', '3312345678')
+	})
+
+	it('should find phone numbers from Argentina', () => {
+		// Test parsing mobile numbers of Argentina.
+		test('+54 9 343 555 1212', 'AR', '93435551212')
+		test('0343 15-555-1212', 'AR', '93435551212')
+
+		test('+54 9 3715 65 4320', 'AR', '93715654320')
+		test('03715 15 65 4320', 'AR', '93715654320')
+
+		// Test parsing fixed-line numbers of Argentina.
+		test('+54 11 3797 0000', 'AR', '1137970000')
+		test('011 3797 0000', 'AR', '1137970000')
+
+		test('+54 3715 65 4321', 'AR', '3715654321')
+		test('03715 65 4321', 'AR', '3715654321')
+
+		test('+54 23 1234 0000', 'AR', '2312340000')
+		test('023 1234 0000', 'AR', '2312340000')
+	})
+
+	it('should only support the supported leniency values', function() {
+		expect(() => new PhoneNumberMatcher('+54 23 1234 0000', { leniency: 'STRICT_GROUPING', v2: true }, metadata)).to.throw('Supported values: "POSSIBLE", "VALID".')
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/constants.js

@@ -0,0 +1,31 @@
+// The minimum length of the national significant number.
+export const MIN_LENGTH_FOR_NSN = 2
+
+// The ITU says the maximum length should be 15,
+// but one can find longer numbers in Germany.
+export const MAX_LENGTH_FOR_NSN = 17
+
+// The maximum length of the country calling code.
+export const MAX_LENGTH_COUNTRY_CODE = 3
+
+// Digits accepted in phone numbers
+// (ascii, fullwidth, arabic-indic, and eastern arabic digits).
+export const VALID_DIGITS = '0-9\uFF10-\uFF19\u0660-\u0669\u06F0-\u06F9'
+
+// `DASHES` will be right after the opening square bracket of the "character class"
+const DASHES = '-\u2010-\u2015\u2212\u30FC\uFF0D'
+const SLASHES = '\uFF0F/'
+const DOTS = '\uFF0E.'
+export const WHITESPACE = ' \u00A0\u00AD\u200B\u2060\u3000'
+const BRACKETS = '()\uFF08\uFF09\uFF3B\uFF3D\\[\\]'
+// export const OPENING_BRACKETS = '(\uFF08\uFF3B\\\['
+const TILDES = '~\u2053\u223C\uFF5E'
+
+// Regular expression of acceptable punctuation found in phone numbers. This
+// excludes punctuation found as a leading character only. This consists of dash
+// characters, white space characters, full stops, slashes, square brackets,
+// parentheses and tildes. Full-width variants are also present.
+export const VALID_PUNCTUATION = `${DASHES}${SLASHES}${DOTS}${WHITESPACE}${BRACKETS}${TILDES}`
+
+export const PLUS_CHARS = '+\uFF0B'
+// const LEADING_PLUS_CHARS_PATTERN = new RegExp('^[' + PLUS_CHARS + ']+')

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/LRUCache.js

@@ -0,0 +1,107 @@
+// https://medium.com/dsinjs/implementing-lru-cache-in-javascript-94ba6755cda9
+
+class Node {
+  constructor(key, value, next = null, prev = null) {
+    this.key = key;
+    this.value = value;
+    this.next = next;
+    this.prev = prev;
+  }
+}
+
+export default class LRUCache {
+  //set default limit of 10 if limit is not passed.
+  constructor(limit = 10) {
+    this.size = 0;
+    this.limit = limit;
+    this.head = null;
+    this.tail = null;
+    this.cache = {};
+  }
+
+  // Write Node to head of LinkedList
+  // update cache with Node key and Node reference
+  put(key, value){
+    this.ensureLimit();
+
+    if(!this.head){
+      this.head = this.tail = new Node(key, value);
+    }else{
+      const node = new Node(key, value, this.head);
+      this.head.prev = node;
+      this.head = node;
+    }
+
+    //Update the cache map
+    this.cache[key] = this.head;
+    this.size++;
+  }
+
+  // Read from cache map and make that node as new Head of LinkedList
+  get(key){
+    if(this.cache[key]){
+      const value = this.cache[key].value;
+
+      // node removed from it's position and cache
+      this.remove(key)
+      // write node again to the head of LinkedList to make it most recently used
+      this.put(key, value);
+
+      return value;
+    }
+
+    console.log(`Item not available in cache for key ${key}`);
+  }
+
+  ensureLimit(){
+    if(this.size === this.limit){
+      this.remove(this.tail.key)
+    }
+  }
+
+  remove(key){
+    const node = this.cache[key];
+
+    if(node.prev !== null){
+      node.prev.next = node.next;
+    }else{
+      this.head = node.next;
+    }
+
+    if(node.next !== null){
+      node.next.prev = node.prev;
+    }else{
+      this.tail = node.prev
+    }
+
+    delete this.cache[key];
+    this.size--;
+  }
+
+  clear() {
+    this.head = null;
+    this.tail = null;
+    this.size = 0;
+    this.cache = {};
+  }
+
+  // // Invokes the callback function with every node of the chain and the index of the node.
+  // forEach(fn) {
+  //   let node = this.head;
+  //   let counter = 0;
+  //   while (node) {
+  //     fn(node, counter);
+  //     node = node.next;
+  //     counter++;
+  //   }
+  // }
+
+  // // To iterate over LRU with a 'for...of' loop
+  // *[Symbol.iterator]() {
+  //   let node = this.head;
+  //   while (node) {
+  //     yield node;
+  //     node = node.next;
+  //   }
+  // }
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/Leniency.js

@@ -0,0 +1,410 @@
+import isValidNumber from '../isValid.js'
+import parseDigits from '../helpers/parseDigits.js'
+import matchPhoneNumberStringAgainstPhoneNumber from './matchPhoneNumberStringAgainstPhoneNumber.js'
+import Metadata from '../metadata.js'
+import getCountryByCallingCode from '../helpers/getCountryByCallingCode.js'
+import { chooseFormatForNumber } from '../format.js'
+
+import {
+	startsWith,
+	endsWith
+} from './util.js'
+
+/**
+ * Leniency when finding potential phone numbers in text segments
+ * The levels here are ordered in increasing strictness.
+ */
+export default
+{
+	/**
+	 * Phone numbers accepted are "possible", but not necessarily "valid".
+	 */
+	POSSIBLE(phoneNumber, { candidate, metadata })
+	{
+		return true
+	},
+
+	/**
+	 * Phone numbers accepted are "possible" and "valid".
+	 * Numbers written in national format must have their national-prefix
+	 * present if it is usually written for a number of this type.
+	 */
+	VALID(phoneNumber, { candidate, defaultCountry, metadata })
+	{
+		if (
+			!phoneNumber.isValid() ||
+			!containsOnlyValidXChars(phoneNumber, candidate, metadata)
+		)
+		{
+			return false
+		}
+
+		// Skipped for simplicity.
+		// return isNationalPrefixPresentIfRequired(phoneNumber, { defaultCountry, metadata })
+		return true
+	},
+
+	/**
+	 * Phone numbers accepted are "valid" and
+	 * are grouped in a possible way for this locale. For example, a US number written as
+	 * "65 02 53 00 00" and "650253 0000" are not accepted at this leniency level, whereas
+	 * "650 253 0000", "650 2530000" or "6502530000" are.
+	 * Numbers with more than one '/' symbol in the national significant number
+	 * are also dropped at this level.
+	 *
+	 * Warning: This level might result in lower coverage especially for regions outside of
+	 * country code "+1". If you are not sure about which level to use,
+	 * email the discussion group libphonenumber-discuss@googlegroups.com.
+	 */
+	STRICT_GROUPING(phoneNumber, { candidate, defaultCountry, metadata, regExpCache })
+	{
+		if (
+			!phoneNumber.isValid() ||
+			!containsOnlyValidXChars(phoneNumber, candidate, metadata) ||
+			containsMoreThanOneSlashInNationalNumber(phoneNumber, candidate) ||
+			!isNationalPrefixPresentIfRequired(phoneNumber, { defaultCountry, metadata })
+		)
+		{
+			return false
+		}
+
+		return checkNumberGroupingIsValid
+		(
+			phoneNumber,
+			candidate,
+			metadata,
+			allNumberGroupsRemainGrouped,
+			regExpCache
+		)
+	},
+
+	/**
+	 * Phone numbers accepted are "valid" and are grouped in the same way
+	 * that we would have formatted it, or as a single block.
+	 * For example, a US number written as "650 2530000" is not accepted
+	 * at this leniency level, whereas "650 253 0000" or "6502530000" are.
+	 * Numbers with more than one '/' symbol are also dropped at this level.
+	 *
+	 * Warning: This level might result in lower coverage especially for regions outside of
+	 * country code "+1". If you are not sure about which level to use, email the discussion group
+	 * libphonenumber-discuss@googlegroups.com.
+	 */
+	EXACT_GROUPING(phoneNumber, { candidate, defaultCountry, metadata, regExpCache })
+	{
+		if (
+			!phoneNumber.isValid() ||
+			!containsOnlyValidXChars(phoneNumber, candidate, metadata) ||
+			containsMoreThanOneSlashInNationalNumber(phoneNumber, candidate) ||
+			!isNationalPrefixPresentIfRequired(phoneNumber, { defaultCountry, metadata })
+		)
+		{
+			return false
+		}
+
+		return checkNumberGroupingIsValid
+		(
+			phoneNumber,
+			candidate,
+			metadata,
+			allNumberGroupsAreExactlyPresent,
+			regExpCache
+		)
+	}
+}
+
+function containsOnlyValidXChars(phoneNumber, candidate, metadata)
+{
+	// The characters 'x' and 'X' can be (1) a carrier code, in which case they always precede the
+	// national significant number or (2) an extension sign, in which case they always precede the
+	// extension number. We assume a carrier code is more than 1 digit, so the first case has to
+	// have more than 1 consecutive 'x' or 'X', whereas the second case can only have exactly 1 'x'
+	// or 'X'. We ignore the character if it appears as the last character of the string.
+	for (let index = 0; index < candidate.length - 1; index++)
+	{
+		const charAtIndex = candidate.charAt(index)
+
+		if (charAtIndex === 'x' || charAtIndex === 'X')
+		{
+			const charAtNextIndex = candidate.charAt(index + 1)
+
+			if (charAtNextIndex === 'x' || charAtNextIndex === 'X')
+			{
+				// This is the carrier code case, in which the 'X's always precede the national
+				// significant number.
+				index++
+				if (matchPhoneNumberStringAgainstPhoneNumber(candidate.substring(index), phoneNumber, metadata) !== 'NSN_MATCH')
+				{
+					return false
+				}
+				// This is the extension sign case, in which the 'x' or 'X' should always precede the
+				// extension number.
+			}
+			else {
+				const ext = parseDigits(candidate.substring(index))
+				if (ext) {
+					if (phoneNumber.ext !== ext)  {
+						return false
+					}
+				} else {
+					if (phoneNumber.ext) {
+						return false
+					}
+				}
+			}
+		}
+	}
+
+	return true
+}
+
+function isNationalPrefixPresentIfRequired(phoneNumber, { defaultCountry, metadata: _metadata })
+{
+	// First, check how we deduced the country code. If it was written in international format, then
+	// the national prefix is not required.
+	if (phoneNumber.__countryCallingCodeSource !== 'FROM_DEFAULT_COUNTRY')
+	{
+		return true
+	}
+
+	const metadata = new Metadata(_metadata)
+	metadata.selectNumberingPlan(phoneNumber.countryCallingCode)
+
+	const phoneNumberRegion = phoneNumber.country || getCountryByCallingCode(phoneNumber.countryCallingCode, {
+		nationalNumber: phoneNumber.nationalNumber,
+		defaultCountry,
+		metadata
+	})
+
+	// Check if a national prefix should be present when formatting this number.
+	const nationalNumber = phoneNumber.nationalNumber
+	const format = chooseFormatForNumber(metadata.numberingPlan.formats(), nationalNumber)
+
+	// To do this, we check that a national prefix formatting rule was present
+	// and that it wasn't just the first-group symbol ($1) with punctuation.
+	if (format.nationalPrefixFormattingRule())
+	{
+		if (metadata.numberingPlan.nationalPrefixIsOptionalWhenFormattingInNationalFormat())
+		{
+			// The national-prefix is optional in these cases, so we don't need to check if it was present.
+			return true
+		}
+
+		if (!format.usesNationalPrefix())
+		{
+			// National Prefix not needed for this number.
+			return true
+		}
+
+		return Boolean(phoneNumber.nationalPrefix)
+	}
+
+	return true
+}
+
+export function containsMoreThanOneSlashInNationalNumber(phoneNumber, candidate)
+{
+	const firstSlashInBodyIndex = candidate.indexOf('/')
+	if (firstSlashInBodyIndex < 0)
+	{
+		// No slashes, this is okay.
+		return false
+	}
+
+	// Now look for a second one.
+	const secondSlashInBodyIndex = candidate.indexOf('/', firstSlashInBodyIndex + 1)
+	if (secondSlashInBodyIndex < 0)
+	{
+		// Only one slash, this is okay.
+		return false
+	}
+
+	// If the first slash is after the country calling code, this is permitted.
+	const candidateHasCountryCode =
+			phoneNumber.__countryCallingCodeSource === 'FROM_NUMBER_WITH_PLUS_SIGN' ||
+			phoneNumber.__countryCallingCodeSource === 'FROM_NUMBER_WITHOUT_PLUS_SIGN'
+
+	if (candidateHasCountryCode && parseDigits(candidate.substring(0, firstSlashInBodyIndex)) === phoneNumber.countryCallingCode)
+	{
+		// Any more slashes and this is illegal.
+		return candidate.slice(secondSlashInBodyIndex + 1).indexOf('/') >= 0
+	}
+
+	return true
+}
+
+function checkNumberGroupingIsValid(
+	number,
+	candidate,
+	metadata,
+	checkGroups,
+	regExpCache
+) {
+	throw new Error('This part of code hasn\'t been ported')
+
+	const normalizedCandidate = normalizeDigits(candidate, true /* keep non-digits */)
+	let formattedNumberGroups = getNationalNumberGroups(metadata, number, null)
+	if (checkGroups(metadata, number, normalizedCandidate, formattedNumberGroups)) {
+		return true
+	}
+
+	// If this didn't pass, see if there are any alternate formats that match, and try them instead.
+	const alternateFormats = MetadataManager.getAlternateFormatsForCountry(number.getCountryCode())
+	const nationalSignificantNumber = util.getNationalSignificantNumber(number)
+
+	if (alternateFormats) {
+		for (const alternateFormat of alternateFormats.numberFormats()) {
+			if (alternateFormat.leadingDigitsPatterns().length > 0) {
+				// There is only one leading digits pattern for alternate formats.
+				const leadingDigitsRegExp = regExpCache.getPatternForRegExp('^' + alternateFormat.leadingDigitsPatterns()[0])
+				if (!leadingDigitsRegExp.test(nationalSignificantNumber)) {
+					// Leading digits don't match; try another one.
+					continue
+				}
+			}
+			formattedNumberGroups = getNationalNumberGroups(metadata, number, alternateFormat)
+			if (checkGroups(metadata, number, normalizedCandidate, formattedNumberGroups)) {
+				return true
+			}
+		}
+	}
+
+	return false
+}
+
+/**
+ * Helper method to get the national-number part of a number, formatted without any national
+ * prefix, and return it as a set of digit blocks that would be formatted together following
+ * standard formatting rules.
+ */
+function getNationalNumberGroups(
+	metadata,
+	number,
+	formattingPattern
+) {
+	throw new Error('This part of code hasn\'t been ported')
+
+	if (formattingPattern) {
+		// We format the NSN only, and split that according to the separator.
+		const nationalSignificantNumber = util.getNationalSignificantNumber(number)
+		return util.formatNsnUsingPattern(nationalSignificantNumber,
+																			formattingPattern, 'RFC3966', metadata).split('-')
+	}
+
+	// This will be in the format +CC-DG1-DG2-DGX;ext=EXT where DG1..DGX represents groups of digits.
+	const rfc3966Format = formatNumber(number, 'RFC3966', metadata)
+
+	// We remove the extension part from the formatted string before splitting it into different
+	// groups.
+	let endIndex = rfc3966Format.indexOf(';')
+	if (endIndex < 0) {
+		endIndex = rfc3966Format.length
+	}
+
+	// The country-code will have a '-' following it.
+	const startIndex = rfc3966Format.indexOf('-') + 1
+	return rfc3966Format.slice(startIndex, endIndex).split('-')
+}
+
+function allNumberGroupsAreExactlyPresent
+(
+	metadata,
+	number,
+	normalizedCandidate,
+	formattedNumberGroups
+)
+{
+	throw new Error('This part of code hasn\'t been ported')
+
+	const candidateGroups = normalizedCandidate.split(NON_DIGITS_PATTERN)
+
+	// Set this to the last group, skipping it if the number has an extension.
+	let candidateNumberGroupIndex =
+			number.hasExtension() ? candidateGroups.length - 2 : candidateGroups.length - 1
+
+	// First we check if the national significant number is formatted as a block.
+	// We use contains and not equals, since the national significant number may be present with
+	// a prefix such as a national number prefix, or the country code itself.
+	if (candidateGroups.length == 1
+			|| candidateGroups[candidateNumberGroupIndex].contains(
+					util.getNationalSignificantNumber(number)))
+	{
+		return true
+	}
+
+	// Starting from the end, go through in reverse, excluding the first group, and check the
+	// candidate and number groups are the same.
+	let formattedNumberGroupIndex = (formattedNumberGroups.length - 1)
+	while (formattedNumberGroupIndex > 0 && candidateNumberGroupIndex >= 0)
+	{
+		if (candidateGroups[candidateNumberGroupIndex] !== formattedNumberGroups[formattedNumberGroupIndex])
+		{
+			return false
+		}
+		formattedNumberGroupIndex--
+		candidateNumberGroupIndex--
+	}
+
+	// Now check the first group. There may be a national prefix at the start, so we only check
+	// that the candidate group ends with the formatted number group.
+	return (candidateNumberGroupIndex >= 0
+			&& endsWith(candidateGroups[candidateNumberGroupIndex], formattedNumberGroups[0]))
+}
+
+
+function allNumberGroupsRemainGrouped
+(
+	metadata,
+	number,
+	normalizedCandidate,
+	formattedNumberGroups
+)
+{
+	throw new Error('This part of code hasn\'t been ported')
+
+	let fromIndex = 0
+	if (number.getCountryCodeSource() !== CountryCodeSource.FROM_DEFAULT_COUNTRY)
+	{
+		// First skip the country code if the normalized candidate contained it.
+		const countryCode = String(number.getCountryCode())
+		fromIndex = normalizedCandidate.indexOf(countryCode) + countryCode.length()
+	}
+
+	// Check each group of consecutive digits are not broken into separate groupings in the
+	// {@code normalizedCandidate} string.
+	for (let i = 0; i < formattedNumberGroups.length; i++)
+	{
+		// Fails if the substring of {@code normalizedCandidate} starting from {@code fromIndex}
+		// doesn't contain the consecutive digits in formattedNumberGroups[i].
+		fromIndex = normalizedCandidate.indexOf(formattedNumberGroups[i], fromIndex)
+		if (fromIndex < 0) {
+			return false
+		}
+		// Moves {@code fromIndex} forward.
+		fromIndex += formattedNumberGroups[i].length()
+		if (i == 0 && fromIndex < normalizedCandidate.length())
+		{
+			// We are at the position right after the NDC. We get the region used for formatting
+			// information based on the country code in the phone number, rather than the number itself,
+			// as we do not need to distinguish between different countries with the same country
+			// calling code and this is faster.
+			const region = util.getRegionCodeForCountryCode(number.getCountryCode())
+			if (util.getNddPrefixForRegion(region, true) != null
+					&& Character.isDigit(normalizedCandidate.charAt(fromIndex))) {
+				// This means there is no formatting symbol after the NDC. In this case, we only
+				// accept the number if there is no formatting symbol at all in the number, except
+				// for extensions. This is only important for countries with national prefixes.
+				const nationalSignificantNumber = util.getNationalSignificantNumber(number)
+				return startsWith
+				(
+					normalizedCandidate.slice(fromIndex - formattedNumberGroups[i].length),
+					 nationalSignificantNumber
+				)
+			}
+		}
+	}
+
+	// The check here makes sure that we haven't mistakenly already used the extension to
+	// match the last group of the subscriber number. Note the extension cannot have
+	// formatting in-between digits.
+	return normalizedCandidate.slice(fromIndex).contains(number.getExtension())
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/Leniency.test.js

@@ -0,0 +1,35 @@
+/*
+import { containsMoreThanOneSlashInNationalNumber } from './Leniency.js'
+
+describe('Leniency', () => {
+	it('testContainsMoreThanOneSlashInNationalNumber', () => {
+		// A date should return true.
+		number.setCountryCode(1)
+		number.setCountryCodeSource(CountryCodeSource.FROM_DEFAULT_COUNTRY)
+		containsMoreThanOneSlashInNationalNumber(number, '1/05/2013').should.equal(true)
+
+		// Here, the country code source thinks it started with a country calling code, but this is not
+		// the same as the part before the slash, so it's still true.
+		number.setCountryCode(274)
+		number.setCountryCodeSource(CountryCodeSource.FROM_NUMBER_WITHOUT_PLUS_SIGN)
+		containsMoreThanOneSlashInNationalNumber(number, '27/4/2013').should.equal(true)
+
+		// Now it should be false, because the first slash is after the country calling code.
+		number.setCountryCode(49)
+		number.setCountryCodeSource(CountryCodeSource.FROM_NUMBER_WITH_PLUS_SIGN)
+		containsMoreThanOneSlashInNationalNumber(number, '49/69/2013').should.equal(false)
+
+		number.setCountryCode(49)
+		number.setCountryCodeSource(CountryCodeSource.FROM_NUMBER_WITHOUT_PLUS_SIGN)
+		containsMoreThanOneSlashInNationalNumber(number, '+49/69/2013').should.equal(false)
+		containsMoreThanOneSlashInNationalNumber(number, '+ 49/69/2013').should.equal(false)
+		containsMoreThanOneSlashInNationalNumber(number, '+ 49/69/20/13').should.equal(true)
+
+		// Here, the first group is not assumed to be the country calling code, even though it is the
+		// same as it, so this should return true.
+		number.setCountryCode(49)
+		number.setCountryCodeSource(CountryCodeSource.FROM_DEFAULT_COUNTRY)
+		containsMoreThanOneSlashInNationalNumber(number, '49/69/2013').should.equal(true)
+	})
+})
+*/

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/RegExpCache.js

@@ -0,0 +1,20 @@
+import LRUCache from './LRUCache.js'
+
+// A cache for frequently used country-specific regular expressions. Set to 32 to cover ~2-3
+// countries being used for the same doc with ~10 patterns for each country. Some pages will have
+// a lot more countries in use, but typically fewer numbers for each so expanding the cache for
+// that use-case won't have a lot of benefit.
+export default class RegExpCache {
+	constructor(size) {
+		this.cache = new LRUCache(size)
+	}
+
+	getPatternForRegExp(pattern) {
+		let regExp = this.cache.get(pattern)
+		if (!regExp) {
+			regExp = new RegExp('^' + pattern)
+			this.cache.put(pattern, regExp)
+		}
+		return regExp
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/isValidCandidate.js

@@ -0,0 +1,86 @@
+// Copy-pasted from `PhoneNumberMatcher.js`.
+
+import { PLUS_CHARS } from '../constants.js'
+import { limit } from './util.js'
+
+import {
+	isLatinLetter,
+	isInvalidPunctuationSymbol
+} from './utf-8.js'
+
+const OPENING_PARENS = '(\\[\uFF08\uFF3B'
+const CLOSING_PARENS = ')\\]\uFF09\uFF3D'
+const NON_PARENS = `[^${OPENING_PARENS}${CLOSING_PARENS}]`
+
+export const LEAD_CLASS = `[${OPENING_PARENS}${PLUS_CHARS}]`
+
+// Punctuation that may be at the start of a phone number - brackets and plus signs.
+const LEAD_CLASS_LEADING = new RegExp('^' + LEAD_CLASS)
+
+// Limit on the number of pairs of brackets in a phone number.
+const BRACKET_PAIR_LIMIT = limit(0, 3)
+
+/**
+ * Pattern to check that brackets match. Opening brackets should be closed within a phone number.
+ * This also checks that there is something inside the brackets. Having no brackets at all is also
+ * fine.
+ *
+ * An opening bracket at the beginning may not be closed, but subsequent ones should be.  It's
+ * also possible that the leading bracket was dropped, so we shouldn't be surprised if we see a
+ * closing bracket first. We limit the sets of brackets in a phone number to four.
+ */
+const MATCHING_BRACKETS_ENTIRE = new RegExp
+(
+	'^'
+	+ "(?:[" + OPENING_PARENS + "])?" + "(?:" + NON_PARENS + "+" + "[" + CLOSING_PARENS + "])?"
+	+ NON_PARENS + "+"
+	+ "(?:[" + OPENING_PARENS + "]" + NON_PARENS + "+[" + CLOSING_PARENS + "])" + BRACKET_PAIR_LIMIT
+	+ NON_PARENS + "*"
+	+ '$'
+)
+
+/**
+ * Matches strings that look like publication pages. Example:
+ * <pre>Computing Complete Answers to Queries in the Presence of Limited Access Patterns.
+ * Chen Li. VLDB J. 12(3): 211-227 (2003).</pre>
+ *
+ * The string "211-227 (2003)" is not a telephone number.
+ */
+const PUB_PAGES = /\d{1,5}-+\d{1,5}\s{0,4}\(\d{1,4}/
+
+export default function isValidCandidate(candidate, offset, text, leniency)
+{
+	// Check the candidate doesn't contain any formatting
+	// which would indicate that it really isn't a phone number.
+	if (!MATCHING_BRACKETS_ENTIRE.test(candidate) || PUB_PAGES.test(candidate)) {
+		return
+	}
+
+	// If leniency is set to VALID or stricter, we also want to skip numbers that are surrounded
+	// by Latin alphabetic characters, to skip cases like abc8005001234 or 8005001234def.
+	if (leniency !== 'POSSIBLE')
+	{
+		// If the candidate is not at the start of the text,
+		// and does not start with phone-number punctuation,
+		// check the previous character.
+		if (offset > 0 && !LEAD_CLASS_LEADING.test(candidate))
+		{
+			const previousChar = text[offset - 1]
+			// We return null if it is a latin letter or an invalid punctuation symbol.
+			if (isInvalidPunctuationSymbol(previousChar) || isLatinLetter(previousChar)) {
+				return false
+			}
+		}
+
+		const lastCharIndex = offset + candidate.length
+		if (lastCharIndex < text.length)
+		{
+			const nextChar = text[lastCharIndex]
+			if (isInvalidPunctuationSymbol(nextChar) || isLatinLetter(nextChar)) {
+				return false
+			}
+		}
+	}
+
+	return true
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/isValidPreCandidate.js

@@ -0,0 +1,29 @@
+// Matches strings that look like dates using "/" as a separator.
+// Examples: 3/10/2011, 31/10/96 or 08/31/95.
+const SLASH_SEPARATED_DATES = /(?:(?:[0-3]?\d\/[01]?\d)|(?:[01]?\d\/[0-3]?\d))\/(?:[12]\d)?\d{2}/
+
+// Matches timestamps.
+// Examples: "2012-01-02 08:00".
+// Note that the reg-ex does not include the
+// trailing ":\d\d" -- that is covered by TIME_STAMPS_SUFFIX.
+const TIME_STAMPS = /[12]\d{3}[-/]?[01]\d[-/]?[0-3]\d +[0-2]\d$/
+const TIME_STAMPS_SUFFIX_LEADING = /^:[0-5]\d/
+
+export default function isValidPreCandidate(candidate, offset, text)
+{
+	// Skip a match that is more likely to be a date.
+	if (SLASH_SEPARATED_DATES.test(candidate)) {
+		return false
+	}
+
+	// Skip potential time-stamps.
+	if (TIME_STAMPS.test(candidate))
+	{
+		const followingText = text.slice(offset + candidate.length)
+		if (TIME_STAMPS_SUFFIX_LEADING.test(followingText)) {
+			return false
+		}
+	}
+
+	return true
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/matchPhoneNumberStringAgainstPhoneNumber.js

@@ -0,0 +1,64 @@
+import parsePhoneNumber from '../parsePhoneNumber.js'
+
+/**
+ * Matches a phone number object against a phone number string.
+ * @param  {string} phoneNumberString
+ * @param  {PhoneNumber} phoneNumber
+ * @param  {object} metadata — Metadata JSON
+ * @return {'INVALID_NUMBER'|'NO_MATCH'|'SHORT_NSN_MATCH'|'NSN_MATCH'|'EXACT_MATCH'}
+ */
+export default function matchPhoneNumberStringAgainstPhoneNumber(phoneNumberString, phoneNumber, metadata) {
+	// Parse `phoneNumberString`.
+	let phoneNumberStringContainsCallingCode = true
+	let parsedPhoneNumber = parsePhoneNumber(phoneNumberString, metadata)
+	if (!parsedPhoneNumber) {
+		// If `phoneNumberString` didn't contain a country calling code
+		// then substitute it with the `phoneNumber`'s country calling code.
+		phoneNumberStringContainsCallingCode = false
+		parsedPhoneNumber = parsePhoneNumber(phoneNumberString, { defaultCallingCode: phoneNumber.countryCallingCode }, metadata)
+	}
+	if (!parsedPhoneNumber) {
+		return 'INVALID_NUMBER'
+	}
+
+	// Check that the extensions match.
+	if (phoneNumber.ext) {
+		if (parsedPhoneNumber.ext !== phoneNumber.ext) {
+			return 'NO_MATCH'
+		}
+	} else {
+		if (parsedPhoneNumber.ext) {
+			return 'NO_MATCH'
+		}
+	}
+
+	// Check that country calling codes match.
+	if (phoneNumberStringContainsCallingCode) {
+		if (phoneNumber.countryCallingCode !== parsedPhoneNumber.countryCallingCode) {
+			return 'NO_MATCH'
+		}
+	}
+
+	// Check if the whole numbers match.
+	if (phoneNumber.number === parsedPhoneNumber.number) {
+		if (phoneNumberStringContainsCallingCode) {
+			return 'EXACT_MATCH'
+		} else {
+			return 'NSN_MATCH'
+		}
+	}
+
+	// Check if one national number is a "suffix" of the other.
+	if (
+		phoneNumber.nationalNumber.indexOf(parsedPhoneNumber.nationalNumber) === 0 ||
+		parsedPhoneNumber.nationalNumber.indexOf(phoneNumber.nationalNumber) === 0
+	) {
+		// "A SHORT_NSN_MATCH occurs if there is a difference because of the
+		//  presence or absence of an 'Italian leading zero', the presence or
+		//  absence of an extension, or one NSN being a shorter variant of the
+		//  other."
+		return 'SHORT_NSN_MATCH'
+	}
+
+	return 'NO_MATCH'
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/parsePreCandidate.js

@@ -0,0 +1,19 @@
+import { trimAfterFirstMatch } from './util.js'
+
+// Regular expression of characters typically used to start a second phone number for the purposes
+// of parsing. This allows us to strip off parts of the number that are actually the start of
+// another number, such as for: (530) 583-6985 x302/x2303 -> the second extension here makes this
+// actually two phone numbers, (530) 583-6985 x302 and (530) 583-6985 x2303. We remove the second
+// extension so that the first number is parsed correctly.
+//
+// Matches a slash (\ or /) followed by a space followed by an `x`.
+//
+const SECOND_NUMBER_START_PATTERN = /[\\/] *x/
+
+export default function parsePreCandidate(candidate)
+{
+	// Check for extra numbers at the end.
+	// TODO: This is the place to start when trying to support extraction of multiple phone number
+	// from split notations (+41 79 123 45 67 / 68).
+	return trimAfterFirstMatch(SECOND_NUMBER_START_PATTERN, candidate)
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/utf-8.js

@@ -0,0 +1,82 @@
+// Javascript doesn't support UTF-8 regular expressions.
+// So mimicking them here.
+
+// Copy-pasted from `PhoneNumberMatcher.js`.
+
+/**
+ * "\p{Z}" is any kind of whitespace or invisible separator ("Separator").
+ * http://www.regular-expressions.info/unicode.html
+ * "\P{Z}" is the reverse of "\p{Z}".
+ * "\p{N}" is any kind of numeric character in any script ("Number").
+ * "\p{Nd}" is a digit zero through nine in any script except "ideographic scripts" ("Decimal_Digit_Number").
+ * "\p{Sc}" is a currency symbol ("Currency_Symbol").
+ * "\p{L}" is any kind of letter from any language ("Letter").
+ * "\p{Mn}" is "non-spacing mark".
+ *
+ * Javascript doesn't support Unicode Regular Expressions
+ * so substituting it with this explicit set of characters.
+ *
+ * https://stackoverflow.com/questions/13210194/javascript-regex-equivalent-of-a-za-z-using-pl
+ * https://github.com/danielberndt/babel-plugin-utf-8-regex/blob/master/src/transformer.js
+ */
+
+const _pZ = '\u0020\u00A0\u1680\u180E\u2000-\u200A\u2028\u2029\u202F\u205F\u3000'
+export const pZ = `[${_pZ}]`
+export const PZ = `[^${_pZ}]`
+
+export const _pN = '\u0030-\u0039\u00B2\u00B3\u00B9\u00BC-\u00BE\u0660-\u0669\u06F0-\u06F9\u07C0-\u07C9\u0966-\u096F\u09E6-\u09EF\u09F4-\u09F9\u0A66-\u0A6F\u0AE6-\u0AEF\u0B66-\u0B6F\u0B72-\u0B77\u0BE6-\u0BF2\u0C66-\u0C6F\u0C78-\u0C7E\u0CE6-\u0CEF\u0D66-\u0D75\u0E50-\u0E59\u0ED0-\u0ED9\u0F20-\u0F33\u1040-\u1049\u1090-\u1099\u1369-\u137C\u16EE-\u16F0\u17E0-\u17E9\u17F0-\u17F9\u1810-\u1819\u1946-\u194F\u19D0-\u19DA\u1A80-\u1A89\u1A90-\u1A99\u1B50-\u1B59\u1BB0-\u1BB9\u1C40-\u1C49\u1C50-\u1C59\u2070\u2074-\u2079\u2080-\u2089\u2150-\u2182\u2185-\u2189\u2460-\u249B\u24EA-\u24FF\u2776-\u2793\u2CFD\u3007\u3021-\u3029\u3038-\u303A\u3192-\u3195\u3220-\u3229\u3248-\u324F\u3251-\u325F\u3280-\u3289\u32B1-\u32BF\uA620-\uA629\uA6E6-\uA6EF\uA830-\uA835\uA8D0-\uA8D9\uA900-\uA909\uA9D0-\uA9D9\uAA50-\uAA59\uABF0-\uABF9\uFF10-\uFF19'
+// const pN = `[${_pN}]`
+
+const _pNd = '\u0030-\u0039\u0660-\u0669\u06F0-\u06F9\u07C0-\u07C9\u0966-\u096F\u09E6-\u09EF\u0A66-\u0A6F\u0AE6-\u0AEF\u0B66-\u0B6F\u0BE6-\u0BEF\u0C66-\u0C6F\u0CE6-\u0CEF\u0D66-\u0D6F\u0E50-\u0E59\u0ED0-\u0ED9\u0F20-\u0F29\u1040-\u1049\u1090-\u1099\u17E0-\u17E9\u1810-\u1819\u1946-\u194F\u19D0-\u19D9\u1A80-\u1A89\u1A90-\u1A99\u1B50-\u1B59\u1BB0-\u1BB9\u1C40-\u1C49\u1C50-\u1C59\uA620-\uA629\uA8D0-\uA8D9\uA900-\uA909\uA9D0-\uA9D9\uAA50-\uAA59\uABF0-\uABF9\uFF10-\uFF19'
+export const pNd = `[${_pNd}]`
+
+export const _pL = '\u0041-\u005A\u0061-\u007A\u00AA\u00B5\u00BA\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0\u08A2-\u08AC\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097F\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C3D\u0C58\u0C59\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D60\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F4\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191C\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19C1-\u19C7\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2183\u2184\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005\u3006\u3031-\u3035\u303B\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FCC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA697\uA6A0-\uA6E5\uA717-\uA71F\uA722-\uA788\uA78B-\uA78E\uA790-\uA793\uA7A0-\uA7AA\uA7F8-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA80-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uABC0-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC'
+const pL = `[${_pL}]`
+const pL_regexp = new RegExp(pL)
+
+const _pSc = '\u0024\u00A2-\u00A5\u058F\u060B\u09F2\u09F3\u09FB\u0AF1\u0BF9\u0E3F\u17DB\u20A0-\u20B9\uA838\uFDFC\uFE69\uFF04\uFFE0\uFFE1\uFFE5\uFFE6'
+const pSc = `[${_pSc}]`
+const pSc_regexp = new RegExp(pSc)
+
+const _pMn = '\u0300-\u036F\u0483-\u0487\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7\u06E8\u06EA-\u06ED\u0711\u0730-\u074A\u07A6-\u07B0\u07EB-\u07F3\u0816-\u0819\u081B-\u0823\u0825-\u0827\u0829-\u082D\u0859-\u085B\u08E4-\u08FE\u0900-\u0902\u093A\u093C\u0941-\u0948\u094D\u0951-\u0957\u0962\u0963\u0981\u09BC\u09C1-\u09C4\u09CD\u09E2\u09E3\u0A01\u0A02\u0A3C\u0A41\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A70\u0A71\u0A75\u0A81\u0A82\u0ABC\u0AC1-\u0AC5\u0AC7\u0AC8\u0ACD\u0AE2\u0AE3\u0B01\u0B3C\u0B3F\u0B41-\u0B44\u0B4D\u0B56\u0B62\u0B63\u0B82\u0BC0\u0BCD\u0C3E-\u0C40\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C62\u0C63\u0CBC\u0CBF\u0CC6\u0CCC\u0CCD\u0CE2\u0CE3\u0D41-\u0D44\u0D4D\u0D62\u0D63\u0DCA\u0DD2-\u0DD4\u0DD6\u0E31\u0E34-\u0E3A\u0E47-\u0E4E\u0EB1\u0EB4-\u0EB9\u0EBB\u0EBC\u0EC8-\u0ECD\u0F18\u0F19\u0F35\u0F37\u0F39\u0F71-\u0F7E\u0F80-\u0F84\u0F86\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102D-\u1030\u1032-\u1037\u1039\u103A\u103D\u103E\u1058\u1059\u105E-\u1060\u1071-\u1074\u1082\u1085\u1086\u108D\u109D\u135D-\u135F\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17B4\u17B5\u17B7-\u17BD\u17C6\u17C9-\u17D3\u17DD\u180B-\u180D\u18A9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193B\u1A17\u1A18\u1A56\u1A58-\u1A5E\u1A60\u1A62\u1A65-\u1A6C\u1A73-\u1A7C\u1A7F\u1B00-\u1B03\u1B34\u1B36-\u1B3A\u1B3C\u1B42\u1B6B-\u1B73\u1B80\u1B81\u1BA2-\u1BA5\u1BA8\u1BA9\u1BAB\u1BE6\u1BE8\u1BE9\u1BED\u1BEF-\u1BF1\u1C2C-\u1C33\u1C36\u1C37\u1CD0-\u1CD2\u1CD4-\u1CE0\u1CE2-\u1CE8\u1CED\u1CF4\u1DC0-\u1DE6\u1DFC-\u1DFF\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2CEF-\u2CF1\u2D7F\u2DE0-\u2DFF\u302A-\u302D\u3099\u309A\uA66F\uA674-\uA67D\uA69F\uA6F0\uA6F1\uA802\uA806\uA80B\uA825\uA826\uA8C4\uA8E0-\uA8F1\uA926-\uA92D\uA947-\uA951\uA980-\uA982\uA9B3\uA9B6-\uA9B9\uA9BC\uAA29-\uAA2E\uAA31\uAA32\uAA35\uAA36\uAA43\uAA4C\uAAB0\uAAB2-\uAAB4\uAAB7\uAAB8\uAABE\uAABF\uAAC1\uAAEC\uAAED\uAAF6\uABE5\uABE8\uABED\uFB1E\uFE00-\uFE0F\uFE20-\uFE26'
+const pMn = `[${_pMn}]`
+const pMn_regexp = new RegExp(pMn)
+
+const _InBasic_Latin = '\u0000-\u007F'
+const _InLatin_1_Supplement = '\u0080-\u00FF'
+const _InLatin_Extended_A = '\u0100-\u017F'
+const _InLatin_Extended_Additional = '\u1E00-\u1EFF'
+const _InLatin_Extended_B = '\u0180-\u024F'
+const _InCombining_Diacritical_Marks = '\u0300-\u036F'
+
+const latinLetterRegexp = new RegExp
+(
+	'[' +
+	_InBasic_Latin +
+	_InLatin_1_Supplement +
+	_InLatin_Extended_A +
+	_InLatin_Extended_Additional +
+	_InLatin_Extended_B +
+	_InCombining_Diacritical_Marks +
+	']'
+)
+
+/**
+ * Helper method to determine if a character is a Latin-script letter or not.
+ * For our purposes, combining marks should also return true since we assume
+ * they have been added to a preceding Latin character.
+ */
+export function isLatinLetter(letter)
+{
+	// Combining marks are a subset of non-spacing-mark.
+	if (!pL_regexp.test(letter) && !pMn_regexp.test(letter)) {
+		return false
+	}
+
+	return latinLetterRegexp.test(letter)
+}
+
+export function isInvalidPunctuationSymbol(character)
+{
+	return character === '%' || pSc_regexp.test(character)
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/util.js

@@ -0,0 +1,33 @@
+/** Returns a regular expression quantifier with an upper and lower limit. */
+export function limit(lower, upper)
+{
+	if ((lower < 0) || (upper <= 0) || (upper < lower)) {
+		throw new TypeError()
+	}
+	return `{${lower},${upper}}`
+}
+
+/**
+ * Trims away any characters after the first match of {@code pattern} in {@code candidate},
+ * returning the trimmed version.
+ */
+export function trimAfterFirstMatch(regexp, string)
+{
+	const index = string.search(regexp)
+
+	if (index >= 0) {
+		return string.slice(0, index)
+	}
+
+	return string
+}
+
+export function startsWith(string, substring)
+{
+	return string.indexOf(substring) === 0
+}
+
+export function endsWith(string, substring)
+{
+	return string.indexOf(substring, string.length - substring.length) === string.length - substring.length
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/util.test.js

@@ -0,0 +1,39 @@
+import {
+	limit,
+	trimAfterFirstMatch,
+	startsWith,
+	endsWith
+} from './util.js'
+
+describe('findNumbers/util', () =>
+{
+	it('should generate regexp limit', () =>
+	{
+		let thrower = () => limit(1, 0)
+		thrower.should.throw()
+
+		thrower = () => limit(-1, 1)
+		thrower.should.throw()
+
+		thrower = () => limit(0, 0)
+		thrower.should.throw()
+	})
+
+	it('should trimAfterFirstMatch', () =>
+	{
+		trimAfterFirstMatch(/\d/, 'abc123').should.equal('abc')
+		trimAfterFirstMatch(/\d/, 'abc').should.equal('abc')
+	})
+
+	it('should determine if a string starts with a substring', () =>
+	{
+		startsWith('𐍈123', '𐍈').should.equal(true)
+		startsWith('1𐍈', '𐍈').should.equal(false)
+	})
+
+	it('should determine if a string ends with a substring', () =>
+	{
+		endsWith('123𐍈', '𐍈').should.equal(true)
+		endsWith('𐍈1', '𐍈').should.equal(false)
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/findPhoneNumbersInText.js

@@ -0,0 +1,12 @@
+import PhoneNumberMatcher from './PhoneNumberMatcher.js'
+import normalizeArguments from './normalizeArguments.js'
+
+export default function findPhoneNumbersInText() {
+	const { text, options, metadata } = normalizeArguments(arguments)
+	const matcher = new PhoneNumberMatcher(text, { ...options, v2: true }, metadata)
+	const results = []
+	while (matcher.hasNext()) {
+		results.push(matcher.next())
+	}
+	return results
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/findPhoneNumbersInText.test.js

@@ -0,0 +1,268 @@
+import findPhoneNumbersInText from './findPhoneNumbersInText.js'
+import metadata from '../metadata.min.json' assert { type: 'json' }
+import metadataMax from '../metadata.max.json' assert { type: 'json' }
+
+function findPhoneNumbersInTextWithResults(input, options, metadata) {
+	const results = findPhoneNumbersInText(input, options, metadata)
+	return results.map((result) => {
+		const { startsAt, endsAt, number } = result
+		const data = {
+			phone: number.nationalNumber,
+			startsAt,
+			endsAt
+		}
+		if (number.country) {
+			data.country = number.country
+		}
+		if (number.ext) {
+			data.ext = number.ext
+		}
+		return data
+	})
+}
+
+describe('findPhoneNumbersInText', () => {
+	it('should find phone numbers in text (with default country)', () => {
+		findPhoneNumbersInText('+7 (800) 555-35-35', 'US', metadata)[0].number.number.should.equal('+78005553535')
+	})
+
+	it('should find phone numbers in text (with default country in options)', () => {
+		findPhoneNumbersInText('+7 (800) 555-35-35', { defaultCountry: 'US' }, metadata)[0].number.number.should.equal('+78005553535')
+	})
+
+	it('should find phone numbers in text (with default country and options)', () => {
+		findPhoneNumbersInText('+7 (800) 555-35-35', 'US', {}, metadata)[0].number.number.should.equal('+78005553535')
+	})
+
+	it('should find phone numbers in text (without default country, with options)', () => {
+		findPhoneNumbersInText('+7 (800) 555-35-35', undefined, {}, metadata)[0].number.number.should.equal('+78005553535')
+	})
+
+	it('should find phone numbers in text (with default country, without options)', () => {
+		findPhoneNumbersInText('+7 (800) 555-35-35', 'US', undefined, metadata)[0].number.number.should.equal('+78005553535')
+	})
+
+	it('should find phone numbers in text (with empty default country)', () => {
+		findPhoneNumbersInText('+7 (800) 555-35-35', undefined, metadata)[0].number.number.should.equal('+78005553535')
+	})
+
+	it('should find phone numbers in text', () => {
+		const NUMBERS = ['+78005553535', '+12133734253']
+		const results = findPhoneNumbersInText('The number is +7 (800) 555-35-35 and not (213) 373-4253 as written in the document.', metadata)
+		let i = 0
+		while (i < results.length) {
+			results[i].number.number.should.equal(NUMBERS[i])
+			i++
+		}
+	})
+
+	it('should find phone numbers in text (default country calling code)', () => {
+		const NUMBERS = ['+870773111632']
+		const results = findPhoneNumbersInText('The number is 773 111 632', { defaultCallingCode: '870' }, metadata)
+		let i = 0
+		while (i < results.length) {
+			results[i].number.number.should.equal(NUMBERS[i])
+			i++
+		}
+	})
+
+	it('should find numbers', () => {
+		findPhoneNumbersInTextWithResults('2133734253', { defaultCountry: 'US' }, metadata).should.deep.equal([{
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 0,
+			endsAt   : 10
+		}])
+
+		findPhoneNumbersInTextWithResults('(213) 373-4253', { defaultCountry: 'US' }, metadata).should.deep.equal([{
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 0,
+			endsAt   : 14
+		}])
+
+		findPhoneNumbersInTextWithResults('The number is +7 (800) 555-35-35 and not (213) 373-4253 as written in the document.', { defaultCountry: 'US' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}, {
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 41,
+			endsAt   : 55
+		}])
+
+		// Opening parenthesis issue.
+		// https://github.com/catamphetamine/libphonenumber-js/issues/252
+		findPhoneNumbersInTextWithResults('The number is +7 (800) 555-35-35 and not (213) 373-4253 (that\'s not even in the same country!) as written in the document.', { defaultCountry: 'US' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}, {
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 41,
+			endsAt   : 55
+		}])
+
+		// No default country.
+		findPhoneNumbersInTextWithResults('The number is +7 (800) 555-35-35 as written in the document.', undefined, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}])
+
+		// Passing `options` and default country.
+		findPhoneNumbersInTextWithResults('The number is +7 (800) 555-35-35 as written in the document.', { defaultCountry: 'US', leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}])
+
+		// Passing `options`.
+		findPhoneNumbersInTextWithResults('The number is +7 (800) 555-35-35 as written in the document.', { leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}])
+
+		// Not a phone number and a phone number.
+		findPhoneNumbersInTextWithResults('Digits 12 are not a number, but +7 (800) 555-35-35 is.', { leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 32,
+			endsAt   : 50
+		}])
+
+		// Phone number extension.
+		findPhoneNumbersInTextWithResults('Date 02/17/2018 is not a number, but +7 (800) 555-35-35 ext. 123 is.', { leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			ext      : '123',
+			startsAt : 37,
+			endsAt   : 64
+		}])
+	})
+
+	it('should find numbers (v2)', () => {
+		const phoneNumbers = findPhoneNumbersInText('The number is +7 (800) 555-35-35 ext. 1234 and not (213) 373-4253 as written in the document.', { defaultCountry: 'US', v2: true }, metadata)
+
+		phoneNumbers.length.should.equal(2)
+
+		phoneNumbers[0].startsAt.should.equal(14)
+		phoneNumbers[0].endsAt.should.equal(42)
+
+		phoneNumbers[0].number.number.should.equal('+78005553535')
+		phoneNumbers[0].number.nationalNumber.should.equal('8005553535')
+		phoneNumbers[0].number.country.should.equal('RU')
+		phoneNumbers[0].number.countryCallingCode.should.equal('7')
+		phoneNumbers[0].number.ext.should.equal('1234')
+
+		phoneNumbers[1].startsAt.should.equal(51)
+		phoneNumbers[1].endsAt.should.equal(65)
+
+		phoneNumbers[1].number.number.should.equal('+12133734253')
+		phoneNumbers[1].number.nationalNumber.should.equal('2133734253')
+		phoneNumbers[1].number.country.should.equal('US')
+		phoneNumbers[1].number.countryCallingCode.should.equal('1')
+	})
+
+	it('shouldn\'t find non-valid numbers', () => {
+		// Not a valid phone number for US.
+		findPhoneNumbersInTextWithResults('1111111111', { defaultCountry: 'US' }, metadata).should.deep.equal([])
+	})
+
+	it('should find non-European digits', () => {
+		// E.g. in Iraq they don't write `+442323234` but rather `+٤٤٢٣٢٣٢٣٤`.
+		findPhoneNumbersInTextWithResults('العَرَبِيَّة‎ +٤٤٣٣٣٣٣٣٣٣٣٣عَرَبِيّ‎', undefined, metadata).should.deep.equal([{
+			country  : 'GB',
+			phone    : '3333333333',
+			startsAt : 14,
+			endsAt   : 27
+		}])
+	})
+
+	it('should work in edge cases', () => {
+		let thrower
+
+		// No input
+		findPhoneNumbersInTextWithResults('', undefined, metadata).should.deep.equal([])
+
+		// // No country metadata for this `require` country code
+		// thrower = () => findPhoneNumbersInTextWithResults('123', { defaultCountry: 'ZZ' }, metadata)
+		// thrower.should.throw('Unknown country')
+
+		// Numerical `value`
+		thrower = () => findPhoneNumbersInTextWithResults(2141111111, { defaultCountry: 'US' })
+		thrower.should.throw('A text for parsing must be a string.')
+
+		// // No metadata
+		// thrower = () => findPhoneNumbersInTextWithResults('')
+		// thrower.should.throw('`metadata` argument not passed')
+
+		// No metadata, no default country, no phone numbers.
+		findPhoneNumbersInTextWithResults('').should.deep.equal([])
+	})
+
+	it('should find international numbers when passed a non-existent default country', () => {
+		const numbers = findPhoneNumbersInText('Phone: +7 (800) 555 35 35. National: 8 (800) 555-55-55', { defaultCountry: 'XX', v2: true }, metadata)
+		numbers.length.should.equal(1)
+		numbers[0].number.nationalNumber.should.equal('8005553535')
+	})
+
+	it('shouldn\'t find phone numbers which are not phone numbers', () => {
+		// A timestamp.
+		findPhoneNumbersInTextWithResults('2012-01-02 08:00', { defaultCountry: 'US' }, metadata).should.deep.equal([])
+
+		// A valid number (not a complete timestamp).
+		findPhoneNumbersInTextWithResults('2012-01-02 08', { defaultCountry: 'US' }, metadata).should.deep.equal([{
+			country  : 'US',
+			phone    : '2012010208',
+			startsAt : 0,
+			endsAt   : 13
+		}])
+
+		// Invalid parens.
+		findPhoneNumbersInTextWithResults('213(3734253', { defaultCountry: 'US' }, metadata).should.deep.equal([])
+
+		// Letters after phone number.
+		findPhoneNumbersInTextWithResults('2133734253a', { defaultCountry: 'US' }, metadata).should.deep.equal([])
+
+		// Valid phone (same as the one found in the UUID below).
+		findPhoneNumbersInTextWithResults('The phone number is 231354125.', { defaultCountry: 'FR' }, metadata).should.deep.equal([{
+			country  : 'FR',
+			phone    : '231354125',
+			startsAt : 20,
+			endsAt   : 29
+		}])
+
+		// Not a phone number (part of a UUID).
+		// Should parse in `{ extended: true }` mode.
+		const possibleNumbers = findPhoneNumbersInTextWithResults('The UUID is CA801c26f98cd16e231354125ad046e40b.', { defaultCountry: 'FR', extended: true }, metadata)
+		possibleNumbers.length.should.equal(1)
+		possibleNumbers[0].country.should.equal('FR')
+		possibleNumbers[0].phone.should.equal('231354125')
+
+		// Not a phone number (part of a UUID).
+		// Shouldn't parse by default.
+		findPhoneNumbersInTextWithResults('The UUID is CA801c26f98cd16e231354125ad046e40b.', { defaultCountry: 'FR' }, metadata).should.deep.equal([])
+	})
+
+	// https://gitlab.com/catamphetamine/libphonenumber-js/-/merge_requests/4
+	it('should return correct `startsAt` and `endsAt` when matching "inner" candidates in a could-be-a-candidate substring', () => {
+		findPhoneNumbersInTextWithResults('39945926 77200596 16533084', { defaultCountry: 'ID' }, metadataMax)
+			.should
+			.deep
+			.equal([{
+				country: 'ID',
+				phone: '77200596',
+				startsAt: 9,
+				endsAt: 17
+			}])
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/format.js

@@ -0,0 +1,186 @@
+// This is a port of Google Android `libphonenumber`'s
+// `phonenumberutil.js` of December 31th, 2018.
+//
+// https://github.com/googlei18n/libphonenumber/commits/master/javascript/i18n/phonenumbers/phonenumberutil.js
+
+import matchesEntirely from './helpers/matchesEntirely.js'
+import formatNationalNumberUsingFormat from './helpers/formatNationalNumberUsingFormat.js'
+import Metadata, { getCountryCallingCode } from './metadata.js'
+import getIddPrefix from './helpers/getIddPrefix.js'
+import { formatRFC3966 } from './helpers/RFC3966.js'
+
+const DEFAULT_OPTIONS = {
+	formatExtension: (formattedNumber, extension, metadata) => `${formattedNumber}${metadata.ext()}${extension}`
+}
+
+/**
+ * Formats a phone number.
+ *
+ * format(phoneNumberInstance, 'INTERNATIONAL', { ..., v2: true }, metadata)
+ * format(phoneNumberInstance, 'NATIONAL', { ..., v2: true }, metadata)
+ *
+ * format({ phone: '8005553535', country: 'RU' }, 'INTERNATIONAL', { ... }, metadata)
+ * format({ phone: '8005553535', country: 'RU' }, 'NATIONAL', undefined, metadata)
+ *
+ * @param  {object|PhoneNumber} input — If `options.v2: true` flag is passed, the `input` should be a `PhoneNumber` instance. Otherwise, it should be an object of shape `{ phone: '...', country: '...' }`.
+ * @param  {string} format
+ * @param  {object} [options]
+ * @param  {object} metadata
+ * @return {string}
+ */
+export default function formatNumber(input, format, options, metadata) {
+	// Apply default options.
+	if (options) {
+		options = { ...DEFAULT_OPTIONS, ...options }
+	} else {
+		options = DEFAULT_OPTIONS
+	}
+
+	metadata = new Metadata(metadata)
+
+	if (input.country && input.country !== '001') {
+		// Validate `input.country`.
+		if (!metadata.hasCountry(input.country)) {
+			throw new Error(`Unknown country: ${input.country}`)
+		}
+		metadata.country(input.country)
+	}
+	else if (input.countryCallingCode) {
+		metadata.selectNumberingPlan(input.countryCallingCode)
+	}
+	else return input.phone || ''
+
+	const countryCallingCode = metadata.countryCallingCode()
+
+	const nationalNumber = options.v2 ? input.nationalNumber : input.phone
+
+	// This variable should have been declared inside `case`s
+	// but Babel has a bug and it says "duplicate variable declaration".
+	let number
+
+	switch (format) {
+		case 'NATIONAL':
+			// Legacy argument support.
+			// (`{ country: ..., phone: '' }`)
+			if (!nationalNumber) {
+				return ''
+			}
+			number = formatNationalNumber(nationalNumber, input.carrierCode, 'NATIONAL', metadata, options)
+			return addExtension(number, input.ext, metadata, options.formatExtension)
+
+		case 'INTERNATIONAL':
+			// Legacy argument support.
+			// (`{ country: ..., phone: '' }`)
+			if (!nationalNumber) {
+				return `+${countryCallingCode}`
+			}
+			number = formatNationalNumber(nationalNumber, null, 'INTERNATIONAL', metadata, options)
+			number = `+${countryCallingCode} ${number}`
+			return addExtension(number, input.ext, metadata, options.formatExtension)
+
+		case 'E.164':
+			// `E.164` doesn't define "phone number extensions".
+			return `+${countryCallingCode}${nationalNumber}`
+
+		case 'RFC3966':
+			return formatRFC3966({
+				number: `+${countryCallingCode}${nationalNumber}`,
+				ext: input.ext
+			})
+
+		// For reference, here's Google's IDD formatter:
+		// https://github.com/google/libphonenumber/blob/32719cf74e68796788d1ca45abc85dcdc63ba5b9/java/libphonenumber/src/com/google/i18n/phonenumbers/PhoneNumberUtil.java#L1546
+		// Not saying that this IDD formatter replicates it 1:1, but it seems to work.
+		// Who would even need to format phone numbers in IDD format anyway?
+		case 'IDD':
+			if (!options.fromCountry) {
+				return
+				// throw new Error('`fromCountry` option not passed for IDD-prefixed formatting.')
+			}
+			const formattedNumber = formatIDD(
+				nationalNumber,
+				input.carrierCode,
+				countryCallingCode,
+				options.fromCountry,
+				metadata
+			)
+			return addExtension(formattedNumber, input.ext, metadata, options.formatExtension)
+
+		default:
+			throw new Error(`Unknown "format" argument passed to "formatNumber()": "${format}"`)
+	}
+}
+
+function formatNationalNumber(number, carrierCode, formatAs, metadata, options) {
+	const format = chooseFormatForNumber(metadata.formats(), number)
+	if (!format) {
+		return number
+	}
+	return formatNationalNumberUsingFormat(
+		number,
+		format,
+		{
+			useInternationalFormat: formatAs === 'INTERNATIONAL',
+			withNationalPrefix: format.nationalPrefixIsOptionalWhenFormattingInNationalFormat() && (options && options.nationalPrefix === false) ? false : true,
+			carrierCode,
+			metadata
+		}
+	)
+}
+
+export function chooseFormatForNumber(availableFormats, nationalNnumber) {
+	for (const format of availableFormats) {
+		// Validate leading digits.
+		// The test case for "else path" could be found by searching for
+		// "format.leadingDigitsPatterns().length === 0".
+		if (format.leadingDigitsPatterns().length > 0) {
+			// The last leading_digits_pattern is used here, as it is the most detailed
+			const lastLeadingDigitsPattern = format.leadingDigitsPatterns()[format.leadingDigitsPatterns().length - 1]
+			// If leading digits don't match then move on to the next phone number format
+			if (nationalNnumber.search(lastLeadingDigitsPattern) !== 0) {
+				continue
+			}
+		}
+		// Check that the national number matches the phone number format regular expression
+		if (matchesEntirely(nationalNnumber, format.pattern())) {
+			return format
+		}
+	}
+}
+
+function addExtension(formattedNumber, ext, metadata, formatExtension) {
+	return ext ? formatExtension(formattedNumber, ext, metadata) : formattedNumber
+}
+
+function formatIDD(
+	nationalNumber,
+	carrierCode,
+	countryCallingCode,
+	fromCountry,
+	metadata
+) {
+	const fromCountryCallingCode = getCountryCallingCode(fromCountry, metadata.metadata)
+	// When calling within the same country calling code.
+	if (fromCountryCallingCode === countryCallingCode) {
+		const formattedNumber = formatNationalNumber(nationalNumber, carrierCode, 'NATIONAL', metadata)
+		// For NANPA regions, return the national format for these regions
+		// but prefix it with the country calling code.
+		if (countryCallingCode === '1') {
+			return countryCallingCode + ' ' + formattedNumber
+		}
+		// If regions share a country calling code, the country calling code need
+		// not be dialled. This also applies when dialling within a region, so this
+		// if clause covers both these cases. Technically this is the case for
+		// dialling from La Reunion to other overseas departments of France (French
+		// Guiana, Martinique, Guadeloupe), but not vice versa - so we don't cover
+		// this edge case for now and for those cases return the version including
+		// country calling code. Details here:
+		// http://www.petitfute.com/voyage/225-info-pratiques-reunion
+		//
+		return formattedNumber
+	}
+	const iddPrefix = getIddPrefix(fromCountry, undefined, metadata.metadata)
+	if (iddPrefix) {
+		return `${iddPrefix} ${countryCallingCode} ${formatNationalNumber(nationalNumber, null, 'INTERNATIONAL', metadata)}`
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/format.test.js

@@ -0,0 +1,265 @@
+import metadata from '../metadata.min.json' assert { type: 'json' }
+import formatNumber_ from './format.js'
+import parsePhoneNumber from './parsePhoneNumber.js'
+
+function formatNumber(...parameters) {
+	let v2
+	if (parameters.length < 1) {
+		// `input` parameter.
+		parameters.push(undefined)
+	} else {
+		// Convert string `input` to a `PhoneNumber` instance.
+		if (typeof parameters[0] === 'string') {
+			v2 = true
+			parameters[0] = parsePhoneNumber(parameters[0], {
+				...parameters[2],
+				extract: false
+			}, metadata)
+		}
+	}
+	if (parameters.length < 2) {
+		// `format` parameter.
+		parameters.push(undefined)
+	}
+	if (parameters.length < 3) {
+		// `options` parameter.
+		parameters.push(undefined)
+	}
+	// Set `v2` flag.
+	parameters[2] = {
+		v2,
+		...parameters[2]
+	}
+	// Add `metadata` parameter.
+	parameters.push(metadata)
+	// Call the function.
+	return formatNumber_.apply(this, parameters)
+}
+
+describe('format', () => {
+	it('should work with the first argument being a E.164 number', () => {
+		formatNumber('+12133734253', 'NATIONAL').should.equal('(213) 373-4253')
+		formatNumber('+12133734253', 'INTERNATIONAL').should.equal('+1 213 373 4253')
+
+		// Invalid number.
+		formatNumber('+12111111111', 'NATIONAL').should.equal('(211) 111-1111')
+
+		// Formatting invalid E.164 numbers.
+		formatNumber('+11111', 'INTERNATIONAL').should.equal('+1 1111')
+		formatNumber('+11111', 'NATIONAL').should.equal('1111')
+	})
+
+	it('should work with the first object argument expanded', () => {
+		formatNumber('2133734253', 'NATIONAL', { defaultCountry: 'US' }).should.equal('(213) 373-4253')
+		formatNumber('2133734253', 'INTERNATIONAL', { defaultCountry: 'US' }).should.equal('+1 213 373 4253')
+	})
+
+	it('should format using formats with no leading digits (`format.leadingDigitsPatterns().length === 0`)', () => {
+		formatNumber({ phone: '12345678901', countryCallingCode: 888 }, 'INTERNATIONAL').should.equal('+888 123 456 78901')
+	})
+
+	it('should sort out the arguments', () => {
+		const options = {
+			formatExtension: (number, extension) => `${number} доб. ${extension}`
+		}
+
+		formatNumber({
+			phone   : '8005553535',
+			country : 'RU',
+			ext     : '123'
+		},
+		'NATIONAL', options).should.equal('8 (800) 555-35-35 доб. 123')
+
+		// Parse number from string.
+		formatNumber('+78005553535', 'NATIONAL', options).should.equal('8 (800) 555-35-35')
+		formatNumber('8005553535', 'NATIONAL', { ...options, defaultCountry: 'RU' }).should.equal('8 (800) 555-35-35')
+	})
+
+	it('should format with national prefix when specifically instructed', () => {
+		// With national prefix.
+		formatNumber('88005553535', 'NATIONAL', { defaultCountry: 'RU' }).should.equal('8 (800) 555-35-35')
+		// Without national prefix via an explicitly set option.
+		formatNumber('88005553535', 'NATIONAL', { nationalPrefix: false, defaultCountry: 'RU' }).should.equal('800 555-35-35')
+	})
+
+	it('should format valid phone numbers', () => {
+		// Switzerland
+		formatNumber({ country: 'CH', phone: '446681800' }, 'INTERNATIONAL').should.equal('+41 44 668 18 00')
+		formatNumber({ country: 'CH', phone: '446681800' }, 'E.164').should.equal('+41446681800')
+		formatNumber({ country: 'CH', phone: '446681800' }, 'RFC3966').should.equal('tel:+41446681800')
+		formatNumber({ country: 'CH', phone: '446681800' }, 'NATIONAL').should.equal('044 668 18 00')
+
+		// France
+		formatNumber({ country: 'FR', phone: '169454850' }, 'NATIONAL').should.equal('01 69 45 48 50')
+
+		// Kazakhstan
+		formatNumber('+7 702 211 1111', 'NATIONAL').should.deep.equal('8 (702) 211 1111')
+	})
+
+	it('should format national numbers with national prefix even if it\'s optional', () => {
+		// Russia
+		formatNumber({ country: 'RU', phone: '9991234567' }, 'NATIONAL').should.equal('8 (999) 123-45-67')
+	})
+
+	it('should work in edge cases', () => {
+		let thrower
+
+		// // No phone number
+		// formatNumber('', 'INTERNATIONAL', { defaultCountry: 'RU' }).should.equal('')
+		// formatNumber('', 'NATIONAL', { defaultCountry: 'RU' }).should.equal('')
+
+		formatNumber({ country: 'RU', phone: '' }, 'INTERNATIONAL').should.equal('+7')
+		formatNumber({ country: 'RU', phone: '' }, 'NATIONAL').should.equal('')
+
+		// No suitable format
+		formatNumber('+121337342530', 'NATIONAL', { defaultCountry: 'US' }).should.equal('21337342530')
+		// No suitable format (leading digits mismatch)
+		formatNumber('28199999', 'NATIONAL', { defaultCountry: 'AD' }).should.equal('28199999')
+
+		// // Numerical `value`
+		// thrower = () => formatNumber(89150000000, 'NATIONAL', { defaultCountry: 'RU' })
+		// thrower.should.throw('A phone number must either be a string or an object of shape { phone, [country] }.')
+
+		// // No metadata for country
+		// expect(() => formatNumber('+121337342530', 'NATIONAL', { defaultCountry: 'USA' })).to.throw('Unknown country')
+		// expect(() => formatNumber('21337342530', 'NATIONAL', { defaultCountry: 'USA' })).to.throw('Unknown country')
+
+		// No format type
+		thrower = () => formatNumber('+123')
+		thrower.should.throw('Unknown "format" argument')
+
+		// Unknown format type
+		thrower = () => formatNumber('123', 'Gay', { defaultCountry: 'US' })
+		thrower.should.throw('Unknown "format" argument')
+
+		// // No metadata
+		// thrower = () => _formatNumber('123', 'E.164', { defaultCountry: 'RU' })
+		// thrower.should.throw('`metadata`')
+
+		// No formats
+		formatNumber('012345', 'NATIONAL', { defaultCountry: 'AC' }).should.equal('012345')
+
+		// No `fromCountry` for `IDD` format.
+		expect(formatNumber('+78005553535', 'IDD')).to.be.undefined
+
+		// `fromCountry` has no default IDD prefix.
+		expect(formatNumber('+78005553535', 'IDD', { fromCountry: 'BO' })).to.be.undefined
+
+		// No such country.
+		expect(() => formatNumber({ phone: '123', country: 'USA' }, 'NATIONAL')).to.throw('Unknown country')
+	})
+
+	it('should format phone number extensions', () => {
+		// National
+		formatNumber({
+			country: 'US',
+			phone: '2133734253',
+			ext: '123'
+		},
+		'NATIONAL').should.equal('(213) 373-4253 ext. 123')
+
+		// International
+		formatNumber({
+			country : 'US',
+			phone   : '2133734253',
+			ext     : '123'
+		},
+		'INTERNATIONAL').should.equal('+1 213 373 4253 ext. 123')
+
+		// International
+		formatNumber({
+			country : 'US',
+			phone   : '2133734253',
+			ext     : '123'
+		},
+		'INTERNATIONAL').should.equal('+1 213 373 4253 ext. 123')
+
+		// E.164
+		formatNumber({
+			country : 'US',
+			phone   : '2133734253',
+			ext     : '123'
+		},
+		'E.164').should.equal('+12133734253')
+
+		// RFC3966
+		formatNumber({
+			country : 'US',
+			phone   : '2133734253',
+			ext     : '123'
+		},
+		'RFC3966').should.equal('tel:+12133734253;ext=123')
+
+		// Custom ext prefix.
+		formatNumber({
+			country : 'GB',
+			phone   : '7912345678',
+			ext     : '123'
+		},
+		'INTERNATIONAL').should.equal('+44 7912 345678 x123')
+	})
+
+	it('should work with Argentina numbers', () => {
+		// The same mobile number is written differently
+		// in different formats in Argentina:
+		// `9` gets prepended in international format.
+		formatNumber({ country: 'AR', phone: '3435551212' }, 'INTERNATIONAL')
+			.should.equal('+54 3435 55 1212')
+		formatNumber({ country: 'AR', phone: '3435551212' }, 'NATIONAL')
+			.should.equal('03435 55-1212')
+	})
+
+	it('should work with Mexico numbers', () => {
+		// Fixed line.
+		formatNumber({ country: 'MX', phone: '4499780001' }, 'INTERNATIONAL')
+			.should.equal('+52 449 978 0001')
+		formatNumber({ country: 'MX', phone: '4499780001' }, 'NATIONAL')
+			.should.equal('449 978 0001')
+			// or '(449)978-0001'.
+		// Mobile.
+		// `1` is prepended before area code to mobile numbers in international format.
+		formatNumber({ country: 'MX', phone: '3312345678' }, 'INTERNATIONAL')
+			.should.equal('+52 33 1234 5678')
+		formatNumber({ country: 'MX', phone: '3312345678' }, 'NATIONAL')
+			.should.equal('33 1234 5678')
+			// or '045 33 1234-5678'.
+	})
+
+	it('should format possible numbers', () => {
+		formatNumber({ countryCallingCode: '7', phone: '1111111111' }, 'E.164')
+			.should.equal('+71111111111')
+
+		formatNumber({ countryCallingCode: '7', phone: '1111111111' }, 'NATIONAL')
+			.should.equal('1111111111')
+
+		formatNumber({ countryCallingCode: '7', phone: '1111111111' }, 'INTERNATIONAL')
+			.should.equal('+7 1111111111')
+	})
+
+	it('should format IDD-prefixed number', () => {
+		// No `fromCountry`.
+		expect(formatNumber('+78005553535', 'IDD')).to.be.undefined
+
+		// No default IDD prefix.
+		expect(formatNumber('+78005553535', 'IDD', { fromCountry: 'BO' })).to.be.undefined
+
+		// Same country calling code.
+		formatNumber('+12133734253', 'IDD', { fromCountry: 'CA', humanReadable: true }).should.equal('1 (213) 373-4253')
+		formatNumber('+78005553535', 'IDD', { fromCountry: 'KZ', humanReadable: true }).should.equal('8 (800) 555-35-35')
+
+		// formatNumber('+78005553535', 'IDD', { fromCountry: 'US' }).should.equal('01178005553535')
+		formatNumber('+78005553535', 'IDD', { fromCountry: 'US', humanReadable: true }).should.equal('011 7 800 555 35 35')
+	})
+
+	it('should format non-geographic numbering plan phone numbers', () => {
+		// https://github.com/catamphetamine/libphonenumber-js/issues/323
+		formatNumber('+870773111632', 'INTERNATIONAL').should.equal('+870 773 111 632')
+		formatNumber('+870773111632', 'NATIONAL').should.equal('773 111 632')
+	})
+
+	it('should use the default IDD prefix when formatting a phone number', () => {
+		// Testing preferred international prefixes with ~ are supported.
+		// ("~" designates waiting on a line until proceeding with the input).
+		formatNumber('+390236618300', 'IDD', { fromCountry: 'BY' }).should.equal('8~10 39 02 3661 8300')
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/formatIncompletePhoneNumber.js

@@ -0,0 +1,17 @@
+import AsYouType from './AsYouType.js'
+
+/**
+ * Formats a (possibly incomplete) phone number.
+ * The phone number can be either in E.164 format
+ * or in a form of national number digits.
+ * @param {string} value - A possibly incomplete phone number. Either in E.164 format or in a form of national number digits.
+ * @param {string|object} [optionsOrDefaultCountry] - A two-letter ("ISO 3166-1 alpha-2") country code, or an object of shape `{ defaultCountry?: string, defaultCallingCode?: string }`.
+ * @return {string} Formatted (possibly incomplete) phone number.
+ */
+export default function formatIncompletePhoneNumber(value, optionsOrDefaultCountry, metadata) {
+	if (!metadata) {
+		metadata = optionsOrDefaultCountry
+		optionsOrDefaultCountry = undefined
+	}
+	return new AsYouType(optionsOrDefaultCountry, metadata).input(value)
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/formatIncompletePhoneNumber.test.js

@@ -0,0 +1,26 @@
+import formatIncompletePhoneNumber from './formatIncompletePhoneNumber.js'
+
+import metadata from '../metadata.min.json' assert { type: 'json' }
+
+describe('formatIncompletePhoneNumber', () => {
+	it('should format parsed input value', () => {
+		let result
+
+		// National input.
+		formatIncompletePhoneNumber('880055535', 'RU', metadata).should.equal('8 (800) 555-35')
+
+		// International input, no country.
+		formatIncompletePhoneNumber('+780055535', null, metadata).should.equal('+7 800 555 35')
+
+		// International input, no country argument.
+		formatIncompletePhoneNumber('+780055535', metadata).should.equal('+7 800 555 35')
+
+		// International input, with country.
+		formatIncompletePhoneNumber('+780055535', 'RU', metadata).should.equal('+7 800 555 35')
+	})
+
+	it('should support an object argument', () => {
+		formatIncompletePhoneNumber('880055535', { defaultCountry: 'RU' }, metadata).should.equal('8 (800) 555-35')
+		formatIncompletePhoneNumber('880055535', { defaultCallingCode: '7' }, metadata).should.equal('8 (800) 555-35')
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/formatPhoneNumberForMobileDialing.js

@@ -0,0 +1,209 @@
+// This function is copy-pasted from
+// https://github.com/googlei18n/libphonenumber/blob/master/javascript/i18n/phonenumbers/phonenumberutil.js
+// It hasn't been tested. It's not currently exported.
+// Carriers codes aren't part of this library.
+// Send a PR if you want to add them.
+
+import Metadata from './metadata.js'
+import format from './format.js'
+import getNumberType from './helpers/getNumberType.js'
+import checkNumberLength from './helpers/checkNumberLength.js'
+import getCountryCallingCode from './getCountryCallingCode.js'
+
+const REGION_CODE_FOR_NON_GEO_ENTITY = '001'
+
+/**
+ * Returns a number formatted in such a way that it can be dialed from a mobile
+ * phone in a specific region. If the number cannot be reached from the region
+ * (e.g. some countries block toll-free numbers from being called outside of the
+ * country), the method returns an empty string.
+ *
+ * @param {object} number - a `parse()`d phone number to be formatted.
+ * @param {string} from_country - the region where the call is being placed.
+ * @param {boolean} with_formatting - whether the number should be returned with
+ *     formatting symbols, such as spaces and dashes.
+ * @return {string}
+ */
+export default function(number, from_country, with_formatting, metadata) {
+	metadata = new Metadata(metadata)
+
+	// Validate `from_country`.
+	if (!metadata.hasCountry(from_country)) {
+		throw new Error(`Unknown country: ${from_country}`)
+	}
+
+	// Not using the extension, as that part cannot normally be dialed
+	// together with the main number.
+	number = {
+		phone: number.phone,
+		country: number.country
+	}
+
+	const number_type = getNumberType(number, undefined, metadata.metadata)
+	const is_valid_number = number_type === number
+
+	let formatted_number
+
+	if (country === from_country) {
+		const is_fixed_line_or_mobile =
+			number_type === 'FIXED_LINE' ||
+			number_type === 'MOBILE' ||
+			number_type === 'FIXED_LINE_OR_MOBILE'
+
+		// Carrier codes may be needed in some countries. We handle this here.
+		if (country == 'BR' && is_fixed_line_or_mobile) {
+			formatted_number =
+				carrierCode ?
+				formatNationalNumberWithPreferredCarrierCode(number) :
+				// Brazilian fixed line and mobile numbers need to be dialed with a
+				// carrier code when called within Brazil. Without that, most of the
+				// carriers won't connect the call. Because of that, we return an
+				// empty string here.
+				''
+		} else if (getCountryCallingCode(country, metadata.metadata) === '1') {
+			// For NANPA countries, we output international format for numbers that
+			// can be dialed internationally, since that always works, except for
+			// numbers which might potentially be short numbers, which are always
+			// dialled in national format.
+
+			// Select country for `checkNumberLength()`.
+			metadata.country(country)
+
+			if (can_be_internationally_dialled(number) &&
+				checkNumberLength(number.phone, metadata) !== 'TOO_SHORT') {
+				formatted_number = format(number, 'INTERNATIONAL', metadata.metadata)
+			}
+			else {
+				formatted_number = format(number, 'NATIONAL', metadata.metadata)
+			}
+		}
+		else {
+			// For non-geographic countries, Mexican and Chilean fixed line and
+			// mobile numbers, we output international format for numbers that can be
+			// dialed internationally, as that always works.
+			if (
+				(
+					country === REGION_CODE_FOR_NON_GEO_ENTITY
+					||
+					// MX fixed line and mobile numbers should always be formatted in
+					// international format, even when dialed within MX. For national
+					// format to work, a carrier code needs to be used, and the correct
+					// carrier code depends on if the caller and callee are from the
+					// same local area. It is trickier to get that to work correctly than
+					// using international format, which is tested to work fine on all
+					// carriers.
+					//
+					// CL fixed line numbers need the national prefix when dialing in the
+					// national format, but don't have it when used for display. The
+					// reverse is true for mobile numbers. As a result, we output them in
+					// the international format to make it work.
+					//
+					// UZ mobile and fixed-line numbers have to be formatted in
+					// international format or prefixed with special codes like 03, 04
+					// (for fixed-line) and 05 (for mobile) for dialling successfully
+					// from mobile devices. As we do not have complete information on
+					// special codes and to be consistent with formatting across all
+					// phone types we return the number in international format here.
+					//
+					((country === 'MX' || country === 'CL' || country == 'UZ') && is_fixed_line_or_mobile)
+				)
+				&&
+				can_be_internationally_dialled(number)
+			) {
+				formatted_number = format(number, 'INTERNATIONAL')
+			}
+			else {
+				formatted_number = format(number, 'NATIONAL')
+			}
+		}
+	}
+	else if (is_valid_number && can_be_internationally_dialled(number)) {
+		// We assume that short numbers are not diallable from outside their region,
+		// so if a number is not a valid regular length phone number, we treat it as
+		// if it cannot be internationally dialled.
+		return with_formatting ?
+			format(number, 'INTERNATIONAL', metadata.metadata) :
+			format(number, 'E.164', metadata.metadata)
+	}
+
+	if (!with_formatting) {
+		return diallable_chars(formatted_number)
+	}
+
+	return formatted_number
+}
+
+function can_be_internationally_dialled(number) {
+	return true
+}
+
+/**
+ * A map that contains characters that are essential when dialling. That means
+ * any of the characters in this map must not be removed from a number when
+ * dialling, otherwise the call will not reach the intended destination.
+ */
+const DIALLABLE_CHARACTERS = {
+	'0': '0',
+	'1': '1',
+	'2': '2',
+	'3': '3',
+	'4': '4',
+	'5': '5',
+	'6': '6',
+	'7': '7',
+	'8': '8',
+	'9': '9',
+	'+': '+',
+	'*': '*',
+	'#': '#'
+}
+
+function diallable_chars(formatted_number) {
+	let result = ''
+
+	let i = 0
+	while (i < formatted_number.length) {
+		const character = formatted_number[i]
+		if (DIALLABLE_CHARACTERS[character]) {
+			result += character
+		}
+		i++
+	}
+
+	return result
+}
+
+function getPreferredDomesticCarrierCodeOrDefault() {
+	throw new Error('carrier codes are not part of this library')
+}
+
+function formatNationalNumberWithCarrierCode() {
+	throw new Error('carrier codes are not part of this library')
+}
+
+/**
+ * Formats a phone number in national format for dialing using the carrier as
+ * specified in the preferred_domestic_carrier_code field of the PhoneNumber
+ * object passed in. If that is missing, use the {@code fallbackCarrierCode}
+ * passed in instead. If there is no {@code preferred_domestic_carrier_code},
+ * and the {@code fallbackCarrierCode} contains an empty string, return the
+ * number in national format without any carrier code.
+ *
+ * <p>Use {@link #formatNationalNumberWithCarrierCode} instead if the carrier
+ * code passed in should take precedence over the number's
+ * {@code preferred_domestic_carrier_code} when formatting.
+ *
+ * @param {i18n.phonenumbers.PhoneNumber} number the phone number to be
+ *     formatted.
+ * @param {string} fallbackCarrierCode the carrier selection code to be used, if
+ *     none is found in the phone number itself.
+ * @return {string} the formatted phone number in national format for dialing
+ *     using the number's preferred_domestic_carrier_code, or the
+ *     {@code fallbackCarrierCode} passed in if none is found.
+ */
+function formatNationalNumberWithPreferredCarrierCode(number) {
+	return formatNationalNumberWithCarrierCode(
+		number,
+		carrierCode
+	);
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/formatPhoneNumberForMobileDialing.test.js

@@ -0,0 +1,16 @@
+// Google's tests:
+// https://github.com/googlei18n/libphonenumber/blob/597983dc4d56ed7e5337a8e74316dc7a3d02d794/javascript/i18n/phonenumbers/phonenumberutil_test.js
+
+// import metadata from '../metadata.min.json' assert { type: 'json' }
+
+// import formatPhoneNumberForMobileDialing from './formatPhoneNumberForMobileDialing.js'
+
+// describe('formatPhoneNumberForMobileDialing', () =>
+// {
+// 	it('should format for mobile dialing', () =>
+// 	{
+// 		formatPhoneNumberForMobileDialing({ phone: '8005553535', country: 'RU' }, 'US', true, metadata).should.equal('+7 800 555 3535')
+// 		formatPhoneNumberForMobileDialing({ phone: '8005553535', country: 'RU' }, 'US', false, metadata).should.equal('+78005553535')
+// 		formatPhoneNumberForMobileDialing({ phone: '8005553535', country: 'RU' }, 'RU', false, metadata).should.equal('8005553535')
+// 	})
+// })

SerpentRace_Backend/node_modules/libphonenumber-js/source/getCountries.js

@@ -0,0 +1,5 @@
+import Metadata from './metadata.js'
+
+export default function getCountries(metadata) {
+	return new Metadata(metadata).getCountries()
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/getCountries.test.js

@@ -0,0 +1,9 @@
+import metadata from '../metadata.min.json' assert { type: 'json' }
+
+import getCountries from './getCountries.js'
+
+describe('getCountries', () => {
+	it('should get countries list', () => {
+		expect(getCountries(metadata).indexOf('RU') > 0).to.be.true;
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/getCountryCallingCode.js

@@ -0,0 +1,2 @@
+// Deprecated. Import from 'metadata.js' directly instead.
+export { getCountryCallingCode as default } from './metadata.js'

SerpentRace_Backend/node_modules/libphonenumber-js/source/getCountryCallingCode.test.js

@@ -0,0 +1,13 @@
+import metadata from '../metadata.min.json' assert { type: 'json' }
+
+import getCountryCallingCode from './getCountryCallingCode.js'
+
+describe('getCountryCallingCode', () => {
+	it('should get country calling code', () => {
+		getCountryCallingCode('US', metadata).should.equal('1')
+	})
+
+	it('should throw if country is unknown', () => {
+		expect(() => getCountryCallingCode('ZZ', metadata)).to.throw('Unknown country: ZZ')
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/getExampleNumber.js

@@ -0,0 +1,7 @@
+import PhoneNumber from './PhoneNumber.js'
+
+export default function getExampleNumber(country, examples, metadata) {
+	if (examples[country]) {
+		return new PhoneNumber(country, examples[country], metadata)
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/getExampleNumber.test.js

@@ -0,0 +1,17 @@
+import examples from '../examples.mobile.json' assert { type: 'json' }
+import metadata from '../metadata.min.json' assert { type: 'json' }
+import getExampleNumber from './getExampleNumber.js'
+
+describe('getExampleNumber', () => {
+	it('should get an example number', () => {
+		const phoneNumber = getExampleNumber('RU', examples, metadata)
+		phoneNumber.nationalNumber.should.equal('9123456789')
+		phoneNumber.number.should.equal('+79123456789')
+		phoneNumber.countryCallingCode.should.equal('7')
+		phoneNumber.country.should.equal('RU')
+	})
+
+	it('should handle a non-existing country', () => {
+		expect(getExampleNumber('XX', examples, metadata)).to.be.undefined
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/RFC3966.js

@@ -0,0 +1,59 @@
+import isViablePhoneNumber from './isViablePhoneNumber.js'
+
+// https://www.ietf.org/rfc/rfc3966.txt
+
+/**
+ * @param  {string} text - Phone URI (RFC 3966).
+ * @return {object} `{ ?number, ?ext }`.
+ */
+export function parseRFC3966(text) {
+	let number
+	let ext
+
+	// Replace "tel:" with "tel=" for parsing convenience.
+	text = text.replace(/^tel:/, 'tel=')
+
+	for (const part of text.split(';')) {
+		const [name, value] = part.split('=')
+		switch (name) {
+			case 'tel':
+				number = value
+				break
+			case 'ext':
+				ext = value
+				break
+			case 'phone-context':
+				// Only "country contexts" are supported.
+				// "Domain contexts" are ignored.
+				if (value[0] === '+') {
+					number = value + number
+				}
+				break
+		}
+	}
+
+	// If the phone number is not viable, then abort.
+	if (!isViablePhoneNumber(number)) {
+		return {}
+	}
+
+	const result = { number }
+	if (ext) {
+		result.ext = ext
+	}
+	return result
+}
+
+/**
+ * @param  {object} - `{ ?number, ?extension }`.
+ * @return {string} Phone URI (RFC 3966).
+ */
+export function formatRFC3966({ number, ext }) {
+	if (!number) {
+		return ''
+	}
+	if (number[0] !== '+') {
+		throw new Error(`"formatRFC3966()" expects "number" to be in E.164 format.`)
+	}
+	return `tel:${number}${ext ? ';ext=' + ext : ''}`
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/RFC3966.test.js

@@ -0,0 +1,36 @@
+import { parseRFC3966, formatRFC3966 } from './RFC3966.js'
+
+describe('RFC3966', () => {
+	it('should format', () => {
+		expect(() => formatRFC3966({ number: '123' })).to.throw('expects "number" to be in E.164 format')
+		formatRFC3966({}).should.equal('')
+		formatRFC3966({ number: '+78005553535' }).should.equal('tel:+78005553535')
+		formatRFC3966({ number: '+78005553535', ext: '123' }).should.equal('tel:+78005553535;ext=123')
+	})
+
+	it('should parse', () => {
+		parseRFC3966('tel:+78005553535').should.deep.equal({
+			number : '+78005553535'
+		})
+
+		parseRFC3966('tel:+78005553535;ext=123').should.deep.equal({
+			number : '+78005553535',
+			ext    : '123'
+		})
+
+		// With `phone-context`
+		parseRFC3966('tel:8005553535;ext=123;phone-context=+7').should.deep.equal({
+			number : '+78005553535',
+			ext    : '123'
+		})
+
+		// "Domain contexts" are ignored
+		parseRFC3966('tel:8005553535;ext=123;phone-context=www.leningrad.spb.ru').should.deep.equal({
+			number : '8005553535',
+			ext    : '123'
+		})
+
+		// Not a viable phone number.
+		parseRFC3966('tel:3').should.deep.equal({})
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/applyInternationalSeparatorStyle.js

@@ -0,0 +1,35 @@
+import { VALID_PUNCTUATION } from '../constants.js'
+
+// Removes brackets and replaces dashes with spaces.
+//
+// E.g. "(999) 111-22-33" -> "999 111 22 33"
+//
+// For some reason Google's metadata contains `<intlFormat/>`s with brackets and dashes.
+// Meanwhile, there's no single opinion about using punctuation in international phone numbers.
+//
+// For example, Google's `<intlFormat/>` for USA is `+1 213-373-4253`.
+// And here's a quote from WikiPedia's "North American Numbering Plan" page:
+// https://en.wikipedia.org/wiki/North_American_Numbering_Plan
+//
+// "The country calling code for all countries participating in the NANP is 1.
+// In international format, an NANP number should be listed as +1 301 555 01 00,
+// where 301 is an area code (Maryland)."
+//
+// I personally prefer the international format without any punctuation.
+// For example, brackets are remnants of the old age, meaning that the
+// phone number part in brackets (so called "area code") can be omitted
+// if dialing within the same "area".
+// And hyphens were clearly introduced for splitting local numbers into memorizable groups.
+// For example, remembering "5553535" is difficult but "555-35-35" is much simpler.
+// Imagine a man taking a bus from home to work and seeing an ad with a phone number.
+// He has a couple of seconds to memorize that number until it passes by.
+// If it were spaces instead of hyphens the man wouldn't necessarily get it,
+// but with hyphens instead of spaces the grouping is more explicit.
+// I personally think that hyphens introduce visual clutter,
+// so I prefer replacing them with spaces in international numbers.
+// In the modern age all output is done on displays where spaces are clearly distinguishable
+// so hyphens can be safely replaced with spaces without losing any legibility.
+//
+export default function applyInternationalSeparatorStyle(formattedNumber) {
+	return formattedNumber.replace(new RegExp(`[${VALID_PUNCTUATION}]+`, 'g'), ' ').trim()
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/applyInternationalSeparatorStyle.test.js

@@ -0,0 +1,8 @@
+import applyInternationalSeparatorStyle from './applyInternationalSeparatorStyle.js'
+
+describe('applyInternationalSeparatorStyle', () => {
+	it('should change Google\'s international format style', () => {
+		applyInternationalSeparatorStyle('(xxx) xxx-xx-xx').should.equal('xxx xxx xx xx')
+		applyInternationalSeparatorStyle('(xxx)xxx').should.equal('xxx xxx')
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/checkNumberLength.js

@@ -0,0 +1,86 @@
+import mergeArrays from './mergeArrays.js'
+
+export default function checkNumberLength(nationalNumber, metadata) {
+	return checkNumberLengthForType(nationalNumber, undefined, metadata)
+}
+
+// Checks whether a number is possible for the country based on its length.
+// Should only be called for the "new" metadata which has "possible lengths".
+export function checkNumberLengthForType(nationalNumber, type, metadata) {
+	const type_info = metadata.type(type)
+
+	// There should always be "<possiblePengths/>" set for every type element.
+	// This is declared in the XML schema.
+	// For size efficiency, where a sub-description (e.g. fixed-line)
+	// has the same "<possiblePengths/>" as the "general description", this is missing,
+	// so we fall back to the "general description". Where no numbers of the type
+	// exist at all, there is one possible length (-1) which is guaranteed
+	// not to match the length of any real phone number.
+	let possible_lengths = type_info && type_info.possibleLengths() || metadata.possibleLengths()
+	// let local_lengths    = type_info && type.possibleLengthsLocal() || metadata.possibleLengthsLocal()
+
+	// Metadata before version `1.0.18` didn't contain `possible_lengths`.
+	if (!possible_lengths) {
+		return 'IS_POSSIBLE'
+	}
+
+	if (type === 'FIXED_LINE_OR_MOBILE') {
+		// No such country in metadata.
+		/* istanbul ignore next */
+		if (!metadata.type('FIXED_LINE')) {
+			// The rare case has been encountered where no fixedLine data is available
+			// (true for some non-geographic entities), so we just check mobile.
+			return checkNumberLengthForType(nationalNumber, 'MOBILE', metadata)
+		}
+
+		const mobile_type = metadata.type('MOBILE')
+		if (mobile_type) {
+			// Merge the mobile data in if there was any. "Concat" creates a new
+			// array, it doesn't edit possible_lengths in place, so we don't need a copy.
+			// Note that when adding the possible lengths from mobile, we have
+			// to again check they aren't empty since if they are this indicates
+			// they are the same as the general desc and should be obtained from there.
+			possible_lengths = mergeArrays(possible_lengths, mobile_type.possibleLengths())
+			// The current list is sorted; we need to merge in the new list and
+			// re-sort (duplicates are okay). Sorting isn't so expensive because
+			// the lists are very small.
+
+			// if (local_lengths) {
+			// 	local_lengths = mergeArrays(local_lengths, mobile_type.possibleLengthsLocal())
+			// } else {
+			// 	local_lengths = mobile_type.possibleLengthsLocal()
+			// }
+		}
+	}
+	// If the type doesn't exist then return 'INVALID_LENGTH'.
+	else if (type && !type_info) {
+		return 'INVALID_LENGTH'
+	}
+
+	const actual_length = nationalNumber.length
+
+	// In `libphonenumber-js` all "local-only" formats are dropped for simplicity.
+	// // This is safe because there is never an overlap beween the possible lengths
+	// // and the local-only lengths; this is checked at build time.
+	// if (local_lengths && local_lengths.indexOf(nationalNumber.length) >= 0)
+	// {
+	// 	return 'IS_POSSIBLE_LOCAL_ONLY'
+	// }
+
+	const minimum_length = possible_lengths[0]
+
+	if (minimum_length === actual_length) {
+		return 'IS_POSSIBLE'
+	}
+
+	if (minimum_length > actual_length) {
+		return 'TOO_SHORT'
+	}
+
+	if (possible_lengths[possible_lengths.length - 1] < actual_length) {
+		return 'TOO_LONG'
+	}
+
+	// We skip the first element since we've already checked it.
+	return possible_lengths.indexOf(actual_length, 1) >= 0 ? 'IS_POSSIBLE' : 'INVALID_LENGTH'
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/checkNumberLength.test.js

@@ -0,0 +1,40 @@
+import Metadata from '../metadata.js'
+import metadata from '../../metadata.max.json' assert { type: 'json' }
+import oldMetadata from '../../test/metadata/1.0.0/metadata.min.json' assert { type: 'json' }
+
+import { checkNumberLengthForType } from './checkNumberLength.js'
+
+describe('checkNumberLength', () => {
+	it('should check phone number length', () => {
+		// Too short.
+		checkNumberLength('800555353', 'FIXED_LINE', 'RU').should.equal('TOO_SHORT')
+		// Normal.
+		checkNumberLength('8005553535', 'FIXED_LINE', 'RU').should.equal('IS_POSSIBLE')
+		// Too long.
+		checkNumberLength('80055535355', 'FIXED_LINE', 'RU').should.equal('TOO_LONG')
+
+		// No such type.
+		checkNumberLength('169454850', 'VOIP', 'AC').should.equal('INVALID_LENGTH')
+		// No such possible length.
+		checkNumberLength('1694548', undefined, 'AD').should.equal('INVALID_LENGTH')
+
+		// FIXED_LINE_OR_MOBILE
+		checkNumberLength('1694548', 'FIXED_LINE_OR_MOBILE', 'AD').should.equal('INVALID_LENGTH')
+		// No mobile phones.
+		checkNumberLength('8123', 'FIXED_LINE_OR_MOBILE', 'TA').should.equal('IS_POSSIBLE')
+		// No "possible lengths" for "mobile".
+		checkNumberLength('81234567', 'FIXED_LINE_OR_MOBILE', 'SZ').should.equal('IS_POSSIBLE')
+	})
+
+	it('should work for old metadata', function() {
+		const _oldMetadata = new Metadata(oldMetadata)
+		_oldMetadata.country('RU')
+		checkNumberLengthForType('8005553535', 'FIXED_LINE', _oldMetadata).should.equal('IS_POSSIBLE')
+	})
+})
+
+function checkNumberLength(number, type, country) {
+	const _metadata = new Metadata(metadata)
+	_metadata.country(country)
+	return checkNumberLengthForType(number, type, _metadata)
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extension/createExtensionPattern.js

@@ -0,0 +1,112 @@
+import { VALID_DIGITS } from '../../constants.js'
+
+// The RFC 3966 format for extensions.
+const RFC3966_EXTN_PREFIX = ';ext='
+
+/**
+ * Helper method for constructing regular expressions for parsing. Creates
+ * an expression that captures up to max_length digits.
+ * @return {string} RegEx pattern to capture extension digits.
+ */
+const getExtensionDigitsPattern = (maxLength) => `([${VALID_DIGITS}]{1,${maxLength}})`
+
+/**
+ * Helper initialiser method to create the regular-expression pattern to match
+ * extensions.
+ * Copy-pasted from Google's `libphonenumber`:
+ * https://github.com/google/libphonenumber/blob/55b2646ec9393f4d3d6661b9c82ef9e258e8b829/javascript/i18n/phonenumbers/phonenumberutil.js#L759-L766
+ * @return {string} RegEx pattern to capture extensions.
+ */
+export default function createExtensionPattern(purpose) {
+	// We cap the maximum length of an extension based on the ambiguity of the way
+	// the extension is prefixed. As per ITU, the officially allowed length for
+	// extensions is actually 40, but we don't support this since we haven't seen real
+	// examples and this introduces many false interpretations as the extension labels
+	// are not standardized.
+	/** @type {string} */
+	var extLimitAfterExplicitLabel = '20';
+	/** @type {string} */
+	var extLimitAfterLikelyLabel = '15';
+	/** @type {string} */
+	var extLimitAfterAmbiguousChar = '9';
+	/** @type {string} */
+	var extLimitWhenNotSure = '6';
+
+	/** @type {string} */
+	var possibleSeparatorsBetweenNumberAndExtLabel = "[ \u00A0\\t,]*";
+	// Optional full stop (.) or colon, followed by zero or more spaces/tabs/commas.
+	/** @type {string} */
+	var possibleCharsAfterExtLabel = "[:\\.\uFF0E]?[ \u00A0\\t,-]*";
+	/** @type {string} */
+	var optionalExtnSuffix = "#?";
+
+	// Here the extension is called out in more explicit way, i.e mentioning it obvious
+	// patterns like "ext.".
+	/** @type {string} */
+	var explicitExtLabels =
+	  "(?:e?xt(?:ensi(?:o\u0301?|\u00F3))?n?|\uFF45?\uFF58\uFF54\uFF4E?|\u0434\u043E\u0431|anexo)";
+	// One-character symbols that can be used to indicate an extension, and less
+	// commonly used or more ambiguous extension labels.
+	/** @type {string} */
+	var ambiguousExtLabels = "(?:[x\uFF58#\uFF03~\uFF5E]|int|\uFF49\uFF4E\uFF54)";
+	// When extension is not separated clearly.
+	/** @type {string} */
+	var ambiguousSeparator = "[- ]+";
+	// This is the same as possibleSeparatorsBetweenNumberAndExtLabel, but not matching
+	// comma as extension label may have it.
+	/** @type {string} */
+	var possibleSeparatorsNumberExtLabelNoComma = "[ \u00A0\\t]*";
+	// ",," is commonly used for auto dialling the extension when connected. First
+	// comma is matched through possibleSeparatorsBetweenNumberAndExtLabel, so we do
+	// not repeat it here. Semi-colon works in Iphone and Android also to pop up a
+	// button with the extension number following.
+	/** @type {string} */
+	var autoDiallingAndExtLabelsFound = "(?:,{2}|;)";
+
+	/** @type {string} */
+	var rfcExtn = RFC3966_EXTN_PREFIX
+	     + getExtensionDigitsPattern(extLimitAfterExplicitLabel);
+	/** @type {string} */
+	var explicitExtn = possibleSeparatorsBetweenNumberAndExtLabel + explicitExtLabels
+	     + possibleCharsAfterExtLabel
+	     + getExtensionDigitsPattern(extLimitAfterExplicitLabel)
+	     + optionalExtnSuffix;
+	/** @type {string} */
+	var ambiguousExtn = possibleSeparatorsBetweenNumberAndExtLabel + ambiguousExtLabels
+	     + possibleCharsAfterExtLabel
+	+ getExtensionDigitsPattern(extLimitAfterAmbiguousChar)
+	+ optionalExtnSuffix;
+	/** @type {string} */
+	var americanStyleExtnWithSuffix = ambiguousSeparator
+	+ getExtensionDigitsPattern(extLimitWhenNotSure) + "#";
+
+	/** @type {string} */
+	var autoDiallingExtn = possibleSeparatorsNumberExtLabelNoComma
+	     + autoDiallingAndExtLabelsFound + possibleCharsAfterExtLabel
+	     + getExtensionDigitsPattern(extLimitAfterLikelyLabel)
+	+ optionalExtnSuffix;
+	/** @type {string} */
+	var onlyCommasExtn = possibleSeparatorsNumberExtLabelNoComma
+	    + "(?:,)+" + possibleCharsAfterExtLabel
+	    + getExtensionDigitsPattern(extLimitAfterAmbiguousChar)
+	    + optionalExtnSuffix;
+
+	// The first regular expression covers RFC 3966 format, where the extension is added
+	// using ";ext=". The second more generic where extension is mentioned with explicit
+	// labels like "ext:". In both the above cases we allow more numbers in extension than
+	// any other extension labels. The third one captures when single character extension
+	// labels or less commonly used labels are used. In such cases we capture fewer
+	// extension digits in order to reduce the chance of falsely interpreting two
+	// numbers beside each other as a number + extension. The fourth one covers the
+	// special case of American numbers where the extension is written with a hash
+	// at the end, such as "- 503#". The fifth one is exclusively for extension
+	// autodialling formats which are used when dialling and in this case we accept longer
+	// extensions. The last one is more liberal on the number of commas that acts as
+	// extension labels, so we have a strict cap on the number of digits in such extensions.
+	return rfcExtn + "|"
+	       + explicitExtn + "|"
+	       + ambiguousExtn + "|"
+	       + americanStyleExtnWithSuffix + "|"
+	       + autoDiallingExtn + "|"
+	       + onlyCommasExtn;
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extension/extractExtension.js

@@ -0,0 +1,29 @@
+import createExtensionPattern from './createExtensionPattern.js'
+
+// Regexp of all known extension prefixes used by different regions followed by
+// 1 or more valid digits, for use when parsing.
+const EXTN_PATTERN = new RegExp('(?:' + createExtensionPattern() + ')$', 'i')
+
+// Strips any extension (as in, the part of the number dialled after the call is
+// connected, usually indicated with extn, ext, x or similar) from the end of
+// the number, and returns it.
+export default function extractExtension(number) {
+	const start = number.search(EXTN_PATTERN)
+	if (start < 0) {
+		return {}
+	}
+	// If we find a potential extension, and the number preceding this is a viable
+	// number, we assume it is an extension.
+	const numberWithoutExtension = number.slice(0, start)
+	const matches = number.match(EXTN_PATTERN)
+	let i = 1
+	while (i < matches.length) {
+		if (matches[i]) {
+			return {
+				number: numberWithoutExtension,
+				ext: matches[i]
+			}
+		}
+		i++
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extractCountryCallingCode.js

@@ -0,0 +1,151 @@
+import stripIddPrefix from './stripIddPrefix.js'
+import extractCountryCallingCodeFromInternationalNumberWithoutPlusSign from './extractCountryCallingCodeFromInternationalNumberWithoutPlusSign.js'
+import Metadata from '../metadata.js'
+import { MAX_LENGTH_COUNTRY_CODE } from '../constants.js'
+
+/**
+ * Converts a phone number digits (possibly with a `+`)
+ * into a calling code and the rest phone number digits.
+ * The "rest phone number digits" could include
+ * a national prefix, carrier code, and national
+ * (significant) number.
+ * @param  {string} number — Phone number digits (possibly with a `+`).
+ * @param  {string} [country] — Default country.
+ * @param  {string} [callingCode] — Default calling code (some phone numbering plans are non-geographic).
+ * @param  {object} metadata
+ * @return {object} `{ countryCallingCodeSource: string?, countryCallingCode: string?, number: string }`
+ * @example
+ * // Returns `{ countryCallingCode: "1", number: "2133734253" }`.
+ * extractCountryCallingCode('2133734253', 'US', null, metadata)
+ * extractCountryCallingCode('2133734253', null, '1', metadata)
+ * extractCountryCallingCode('+12133734253', null, null, metadata)
+ * extractCountryCallingCode('+12133734253', 'RU', null, metadata)
+ */
+export default function extractCountryCallingCode(
+	number,
+	country,
+	callingCode,
+	metadata
+) {
+	if (!number) {
+		return {}
+	}
+
+	let isNumberWithIddPrefix
+
+	// If this is not an international phone number,
+	// then either extract an "IDD" prefix, or extract a
+	// country calling code from a number by autocorrecting it
+	// by prepending a leading `+` in cases when it starts
+	// with the country calling code.
+	// https://wikitravel.org/en/International_dialling_prefix
+	// https://github.com/catamphetamine/libphonenumber-js/issues/376
+	if (number[0] !== '+') {
+		// Convert an "out-of-country" dialing phone number
+		// to a proper international phone number.
+		const numberWithoutIDD = stripIddPrefix(number, country, callingCode, metadata)
+		// If an IDD prefix was stripped then
+		// convert the number to international one
+		// for subsequent parsing.
+		if (numberWithoutIDD && numberWithoutIDD !== number) {
+			isNumberWithIddPrefix = true
+			number = '+' + numberWithoutIDD
+		} else {
+			// Check to see if the number starts with the country calling code
+			// for the default country. If so, we remove the country calling code,
+			// and do some checks on the validity of the number before and after.
+			// https://github.com/catamphetamine/libphonenumber-js/issues/376
+			if (country || callingCode) {
+				const {
+					countryCallingCode,
+					number: shorterNumber
+				} = extractCountryCallingCodeFromInternationalNumberWithoutPlusSign(
+					number,
+					country,
+					callingCode,
+					metadata
+				)
+				if (countryCallingCode) {
+					return {
+						countryCallingCodeSource: 'FROM_NUMBER_WITHOUT_PLUS_SIGN',
+						countryCallingCode,
+						number: shorterNumber
+					}
+				}
+			}
+			return {
+				// No need to set it to `UNSPECIFIED`. It can be just `undefined`.
+				// countryCallingCodeSource: 'UNSPECIFIED',
+				number
+			}
+		}
+	}
+
+	// Fast abortion: country codes do not begin with a '0'
+	if (number[1] === '0') {
+		return {}
+	}
+
+	metadata = new Metadata(metadata)
+
+	// The thing with country phone codes
+	// is that they are orthogonal to each other
+	// i.e. there's no such country phone code A
+	// for which country phone code B exists
+	// where B starts with A.
+	// Therefore, while scanning digits,
+	// if a valid country code is found,
+	// that means that it is the country code.
+	//
+	let i = 2
+	while (i - 1 <= MAX_LENGTH_COUNTRY_CODE && i <= number.length) {
+		const countryCallingCode = number.slice(1, i)
+		if (metadata.hasCallingCode(countryCallingCode)) {
+			metadata.selectNumberingPlan(countryCallingCode)
+			return {
+				countryCallingCodeSource: isNumberWithIddPrefix ? 'FROM_NUMBER_WITH_IDD' : 'FROM_NUMBER_WITH_PLUS_SIGN',
+				countryCallingCode,
+				number: number.slice(i)
+			}
+		}
+		i++
+	}
+
+	return {}
+}
+
+// The possible values for the returned `countryCallingCodeSource` are:
+//
+// Copy-pasted from:
+// https://github.com/google/libphonenumber/blob/master/resources/phonenumber.proto
+//
+// // The source from which the country_code is derived. This is not set in the
+// // general parsing method, but in the method that parses and keeps raw_input.
+// // New fields could be added upon request.
+// enum CountryCodeSource {
+//  // Default value returned if this is not set, because the phone number was
+//  // created using parse, not parseAndKeepRawInput. hasCountryCodeSource will
+//  // return false if this is the case.
+//  UNSPECIFIED = 0;
+//
+//  // The country_code is derived based on a phone number with a leading "+",
+//  // e.g. the French number "+33 1 42 68 53 00".
+//  FROM_NUMBER_WITH_PLUS_SIGN = 1;
+//
+//  // The country_code is derived based on a phone number with a leading IDD,
+//  // e.g. the French number "011 33 1 42 68 53 00", as it is dialled from US.
+//  FROM_NUMBER_WITH_IDD = 5;
+//
+//  // The country_code is derived based on a phone number without a leading
+//  // "+", e.g. the French number "33 1 42 68 53 00" when defaultCountry is
+//  // supplied as France.
+//  FROM_NUMBER_WITHOUT_PLUS_SIGN = 10;
+//
+//  // The country_code is derived NOT based on the phone number itself, but
+//  // from the defaultCountry parameter provided in the parsing function by the
+//  // clients. This happens mostly for numbers written in the national format
+//  // (without country code). For example, this would be set when parsing the
+//  // French number "01 42 68 53 00", when defaultCountry is supplied as
+//  // France.
+//  FROM_DEFAULT_COUNTRY = 20;
+// }

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extractCountryCallingCode.test.js

@@ -0,0 +1,20 @@
+import extractCountryCallingCode from './extractCountryCallingCode.js'
+import metadata from '../../metadata.min.json' assert { type: 'json' }
+
+describe('extractCountryCallingCode', () => {
+	it('should extract country calling code from a number', () => {
+		extractCountryCallingCode('+78005553535', null, null, metadata).should.deep.equal({
+			countryCallingCodeSource: 'FROM_NUMBER_WITH_PLUS_SIGN',
+			countryCallingCode: '7',
+			number: '8005553535'
+		})
+
+		extractCountryCallingCode('+7800', null, null, metadata).should.deep.equal({
+			countryCallingCodeSource: 'FROM_NUMBER_WITH_PLUS_SIGN',
+			countryCallingCode: '7',
+			number: '800'
+		})
+
+		extractCountryCallingCode('', null, null, metadata).should.deep.equal({})
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extractCountryCallingCodeFromInternationalNumberWithoutPlusSign.js

@@ -0,0 +1,63 @@
+import Metadata from '../metadata.js'
+import matchesEntirely from './matchesEntirely.js'
+import extractNationalNumber from './extractNationalNumber.js'
+import checkNumberLength from './checkNumberLength.js'
+import getCountryCallingCode from '../getCountryCallingCode.js'
+
+/**
+ * Sometimes some people incorrectly input international phone numbers
+ * without the leading `+`. This function corrects such input.
+ * @param  {string} number — Phone number digits.
+ * @param  {string?} country
+ * @param  {string?} callingCode
+ * @param  {object} metadata
+ * @return {object} `{ countryCallingCode: string?, number: string }`.
+ */
+export default function extractCountryCallingCodeFromInternationalNumberWithoutPlusSign(
+	number,
+	country,
+	callingCode,
+	metadata
+) {
+	const countryCallingCode = country ? getCountryCallingCode(country, metadata) : callingCode
+	if (number.indexOf(countryCallingCode) === 0) {
+		metadata = new Metadata(metadata)
+		metadata.selectNumberingPlan(country, callingCode)
+		const possibleShorterNumber = number.slice(countryCallingCode.length)
+		const {
+			nationalNumber: possibleShorterNationalNumber,
+		} = extractNationalNumber(
+			possibleShorterNumber,
+			metadata
+		)
+		const {
+			nationalNumber
+		} = extractNationalNumber(
+			number,
+			metadata
+		)
+		// If the number was not valid before but is valid now,
+		// or if it was too long before, we consider the number
+		// with the country calling code stripped to be a better result
+		// and keep that instead.
+		// For example, in Germany (+49), `49` is a valid area code,
+		// so if a number starts with `49`, it could be both a valid
+		// national German number or an international number without
+		// a leading `+`.
+		if (
+			(
+				!matchesEntirely(nationalNumber, metadata.nationalNumberPattern())
+				&&
+				matchesEntirely(possibleShorterNationalNumber, metadata.nationalNumberPattern())
+			)
+			||
+			checkNumberLength(nationalNumber, metadata) === 'TOO_LONG'
+		) {
+			return {
+				countryCallingCode,
+				number: possibleShorterNumber
+			}
+		}
+	}
+	return { number }
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extractFormattedPhoneNumberFromPossibleRfc3966NumberUri.js

@@ -0,0 +1,74 @@
+import extractPhoneContext, {
+	isPhoneContextValid,
+	PLUS_SIGN,
+	RFC3966_PREFIX_,
+	RFC3966_PHONE_CONTEXT_,
+	RFC3966_ISDN_SUBADDRESS_
+} from './extractPhoneContext.js'
+
+import ParseError from '../ParseError.js'
+
+/**
+ * @param  {string} numberToParse
+ * @param  {string} nationalNumber
+ * @return {}
+ */
+export default function extractFormattedPhoneNumberFromPossibleRfc3966NumberUri(numberToParse, {
+	extractFormattedPhoneNumber
+}) {
+	const phoneContext = extractPhoneContext(numberToParse)
+	if (!isPhoneContextValid(phoneContext)) {
+		throw new ParseError('NOT_A_NUMBER')
+	}
+
+	let phoneNumberString
+
+	if (phoneContext === null) {
+		// Extract a possible number from the string passed in.
+		// (this strips leading characters that could not be the start of a phone number)
+		phoneNumberString = extractFormattedPhoneNumber(numberToParse) || ''
+	} else {
+		phoneNumberString = ''
+
+		// If the phone context contains a phone number prefix, we need to capture
+		// it, whereas domains will be ignored.
+		if (phoneContext.charAt(0) === PLUS_SIGN) {
+			phoneNumberString += phoneContext
+		}
+
+		// Now append everything between the "tel:" prefix and the phone-context.
+		// This should include the national number, an optional extension or
+		// isdn-subaddress component. Note we also handle the case when "tel:" is
+		// missing, as we have seen in some of the phone number inputs.
+		// In that case, we append everything from the beginning.
+		const indexOfRfc3966Prefix = numberToParse.indexOf(RFC3966_PREFIX_)
+		let indexOfNationalNumber
+		// RFC 3966 "tel:" prefix is preset at this stage because
+		// `isPhoneContextValid()` requires it to be present.
+		/* istanbul ignore else */
+		if (indexOfRfc3966Prefix >= 0) {
+			indexOfNationalNumber = indexOfRfc3966Prefix + RFC3966_PREFIX_.length
+		} else {
+			indexOfNationalNumber = 0
+		}
+		const indexOfPhoneContext = numberToParse.indexOf(RFC3966_PHONE_CONTEXT_)
+		phoneNumberString += numberToParse.substring(indexOfNationalNumber, indexOfPhoneContext)
+	}
+
+	// Delete the isdn-subaddress and everything after it if it is present.
+	// Note extension won't appear at the same time with isdn-subaddress
+	// according to paragraph 5.3 of the RFC3966 spec.
+	const indexOfIsdn = phoneNumberString.indexOf(RFC3966_ISDN_SUBADDRESS_)
+	if (indexOfIsdn > 0) {
+		phoneNumberString = phoneNumberString.substring(0, indexOfIsdn)
+	}
+	// If both phone context and isdn-subaddress are absent but other
+	// parameters are present, the parameters are left in nationalNumber.
+	// This is because we are concerned about deleting content from a potential
+	// number string when there is no strong evidence that the number is
+	// actually written in RFC3966.
+
+	if (phoneNumberString !== '') {
+		return phoneNumberString
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extractNationalNumber.js

@@ -0,0 +1,106 @@
+import extractNationalNumberFromPossiblyIncompleteNumber from './extractNationalNumberFromPossiblyIncompleteNumber.js'
+import matchesEntirely from './matchesEntirely.js'
+import checkNumberLength from './checkNumberLength.js'
+
+/**
+ * Strips national prefix and carrier code from a complete phone number.
+ * The difference from the non-"FromCompleteNumber" function is that
+ * it won't extract national prefix if the resultant number is too short
+ * to be a complete number for the selected phone numbering plan.
+ * @param  {string} number — Complete phone number digits.
+ * @param  {Metadata} metadata — Metadata with a phone numbering plan selected.
+ * @return {object} `{ nationalNumber: string, carrierCode: string? }`.
+ */
+export default function extractNationalNumber(number, metadata) {
+	// Parsing national prefixes and carrier codes
+	// is only required for local phone numbers
+	// but some people don't understand that
+	// and sometimes write international phone numbers
+	// with national prefixes (or maybe even carrier codes).
+	// http://ucken.blogspot.ru/2016/03/trunk-prefixes-in-skype4b.html
+	// Google's original library forgives such mistakes
+	// and so does this library, because it has been requested:
+	// https://github.com/catamphetamine/libphonenumber-js/issues/127
+	const {
+		carrierCode,
+		nationalNumber
+	} = extractNationalNumberFromPossiblyIncompleteNumber(
+		number,
+		metadata
+	)
+
+	if (nationalNumber !== number) {
+		if (!shouldHaveExtractedNationalPrefix(number, nationalNumber, metadata)) {
+			// Don't strip the national prefix.
+			return { nationalNumber: number }
+		}
+		// Check the national (significant) number length after extracting national prefix and carrier code.
+		// Legacy generated metadata (before `1.0.18`) didn't support the "possible lengths" feature.
+		if (metadata.possibleLengths()) {
+			// The number remaining after stripping the national prefix and carrier code
+			// should be long enough to have a possible length for the country.
+			// Otherwise, don't strip the national prefix and carrier code,
+			// since the original number could be a valid number.
+			// This check has been copy-pasted "as is" from Google's original library:
+			// https://github.com/google/libphonenumber/blob/876268eb1ad6cdc1b7b5bef17fc5e43052702d57/java/libphonenumber/src/com/google/i18n/phonenumbers/PhoneNumberUtil.java#L3236-L3250
+			// It doesn't check for the "possibility" of the original `number`.
+			// I guess it's fine not checking that one. It works as is anyway.
+			if (!isPossibleIncompleteNationalNumber(nationalNumber, metadata)) {
+				// Don't strip the national prefix.
+				return { nationalNumber: number }
+			}
+		}
+	}
+
+	return { nationalNumber, carrierCode }
+}
+
+// In some countries, the same digit could be a national prefix
+// or a leading digit of a valid phone number.
+// For example, in Russia, national prefix is `8`,
+// and also `800 555 35 35` is a valid number
+// in which `8` is not a national prefix, but the first digit
+// of a national (significant) number.
+// Same's with Belarus:
+// `82004910060` is a valid national (significant) number,
+// but `2004910060` is not.
+// To support such cases (to prevent the code from always stripping
+// national prefix), a condition is imposed: a national prefix
+// is not extracted when the original number is "viable" and the
+// resultant number is not, a "viable" national number being the one
+// that matches `national_number_pattern`.
+function shouldHaveExtractedNationalPrefix(nationalNumberBefore, nationalNumberAfter, metadata) {
+	// The equivalent in Google's code is:
+	// https://github.com/google/libphonenumber/blob/e326fa1fc4283bb05eb35cb3c15c18f98a31af33/java/libphonenumber/src/com/google/i18n/phonenumbers/PhoneNumberUtil.java#L2969-L3004
+	if (matchesEntirely(nationalNumberBefore, metadata.nationalNumberPattern()) &&
+		!matchesEntirely(nationalNumberAfter, metadata.nationalNumberPattern())) {
+		return false
+	}
+	// This "is possible" national number (length) check has been commented out
+	// because it's superceded by the (effectively) same check done in the
+	// `extractNationalNumber()` function after it calls `shouldHaveExtractedNationalPrefix()`.
+	// In other words, why run the same check twice if it could only be run once.
+	// // Check the national (significant) number length after extracting national prefix and carrier code.
+	// // Fixes a minor "weird behavior" bug: https://gitlab.com/catamphetamine/libphonenumber-js/-/issues/57
+	// // (Legacy generated metadata (before `1.0.18`) didn't support the "possible lengths" feature).
+	// if (metadata.possibleLengths()) {
+	// 	if (isPossibleIncompleteNationalNumber(nationalNumberBefore, metadata) &&
+	// 		!isPossibleIncompleteNationalNumber(nationalNumberAfter, metadata)) {
+	// 		return false
+	// 	}
+	// }
+	return true
+}
+
+function isPossibleIncompleteNationalNumber(nationalNumber, metadata) {
+	switch (checkNumberLength(nationalNumber, metadata)) {
+		case 'TOO_SHORT':
+		case 'INVALID_LENGTH':
+		// This library ignores "local-only" phone numbers (for simplicity).
+		// See the readme for more info on what are "local-only" phone numbers.
+		// case 'IS_POSSIBLE_LOCAL_ONLY':
+			return false
+		default:
+			return true
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extractNationalNumber.test.js

@@ -0,0 +1,15 @@
+import extractNationalNumber from './extractNationalNumber.js'
+
+import Metadata from '../metadata.js'
+import oldMetadata from '../../test/metadata/1.0.0/metadata.min.json' assert { type: 'json' }
+
+describe('extractNationalNumber', function() {
+	it('should extract a national number when using old metadata', function() {
+		const _oldMetadata = new Metadata(oldMetadata)
+		_oldMetadata.selectNumberingPlan('RU')
+		extractNationalNumber('88005553535', _oldMetadata).should.deep.equal({
+			nationalNumber: '8005553535',
+			carrierCode: undefined
+		})
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extractNationalNumberFromPossiblyIncompleteNumber.js

@@ -0,0 +1,104 @@
+/**
+ * Strips any national prefix (such as 0, 1) present in a
+ * (possibly incomplete) number provided.
+ * "Carrier codes" are only used  in Colombia and Brazil,
+ * and only when dialing within those countries from a mobile phone to a fixed line number.
+ * Sometimes it won't actually strip national prefix
+ * and will instead prepend some digits to the `number`:
+ * for example, when number `2345678` is passed with `VI` country selected,
+ * it will return `{ number: "3402345678" }`, because `340` area code is prepended.
+ * @param {string} number — National number digits.
+ * @param {object} metadata — Metadata with country selected.
+ * @return {object} `{ nationalNumber: string, nationalPrefix: string? carrierCode: string? }`. Even if a national prefix was extracted, it's not necessarily present in the returned object, so don't rely on its presence in the returned object in order to find out whether a national prefix has been extracted or not.
+ */
+export default function extractNationalNumberFromPossiblyIncompleteNumber(number, metadata) {
+	if (number && metadata.numberingPlan.nationalPrefixForParsing()) {
+		// See METADATA.md for the description of
+		// `national_prefix_for_parsing` and `national_prefix_transform_rule`.
+		// Attempt to parse the first digits as a national prefix.
+		const prefixPattern = new RegExp('^(?:' + metadata.numberingPlan.nationalPrefixForParsing() + ')')
+		const prefixMatch = prefixPattern.exec(number)
+		if (prefixMatch) {
+			let nationalNumber
+			let carrierCode
+			// https://gitlab.com/catamphetamine/libphonenumber-js/-/blob/master/METADATA.md#national_prefix_for_parsing--national_prefix_transform_rule
+			// If a `national_prefix_for_parsing` has any "capturing groups"
+			// then it means that the national (significant) number is equal to
+			// those "capturing groups" transformed via `national_prefix_transform_rule`,
+			// and nothing could be said about the actual national prefix:
+			// what is it and was it even there.
+			// If a `national_prefix_for_parsing` doesn't have any "capturing groups",
+			// then everything it matches is a national prefix.
+			// To determine whether `national_prefix_for_parsing` matched any
+			// "capturing groups", the value of the result of calling `.exec()`
+			// is looked at, and if it has non-undefined values where there're
+			// "capturing groups" in the regular expression, then it means
+			// that "capturing groups" have been matched.
+			// It's not possible to tell whether there'll be any "capturing gropus"
+			// before the matching process, because a `national_prefix_for_parsing`
+			// could exhibit both behaviors.
+			const capturedGroupsCount = prefixMatch.length - 1
+			const hasCapturedGroups = capturedGroupsCount > 0 && prefixMatch[capturedGroupsCount]
+			if (metadata.nationalPrefixTransformRule() && hasCapturedGroups) {
+				nationalNumber = number.replace(
+					prefixPattern,
+					metadata.nationalPrefixTransformRule()
+				)
+				// If there's more than one captured group,
+				// then carrier code is the second one.
+				if (capturedGroupsCount > 1) {
+					carrierCode = prefixMatch[1]
+				}
+			}
+			// If there're no "capturing groups",
+			// or if there're "capturing groups" but no
+			// `national_prefix_transform_rule`,
+			// then just strip the national prefix from the number,
+			// and possibly a carrier code.
+			// Seems like there could be more.
+			else {
+				// `prefixBeforeNationalNumber` is the whole substring matched by
+				// the `national_prefix_for_parsing` regular expression.
+				// There seem to be no guarantees that it's just a national prefix.
+				// For example, if there's a carrier code, it's gonna be a
+				// part of `prefixBeforeNationalNumber` too.
+				const prefixBeforeNationalNumber = prefixMatch[0]
+				nationalNumber = number.slice(prefixBeforeNationalNumber.length)
+				// If there's at least one captured group,
+				// then carrier code is the first one.
+				if (hasCapturedGroups) {
+					carrierCode = prefixMatch[1]
+				}
+			}
+			// Tries to guess whether a national prefix was present in the input.
+			// This is not something copy-pasted from Google's library:
+			// they don't seem to have an equivalent for that.
+			// So this isn't an "officially approved" way of doing something like that.
+			// But since there seems no other existing method, this library uses it.
+			let nationalPrefix
+			if (hasCapturedGroups) {
+				const possiblePositionOfTheFirstCapturedGroup = number.indexOf(prefixMatch[1])
+				const possibleNationalPrefix = number.slice(0, possiblePositionOfTheFirstCapturedGroup)
+				// Example: an Argentinian (AR) phone number `0111523456789`.
+				// `prefixMatch[0]` is `01115`, and `$1` is `11`,
+				// and the rest of the phone number is `23456789`.
+				// The national number is transformed via `9$1` to `91123456789`.
+				// National prefix `0` is detected being present at the start.
+				// if (possibleNationalPrefix.indexOf(metadata.numberingPlan.nationalPrefix()) === 0) {
+				if (possibleNationalPrefix === metadata.numberingPlan.nationalPrefix()) {
+					nationalPrefix = metadata.numberingPlan.nationalPrefix()
+				}
+			} else {
+				nationalPrefix = prefixMatch[0]
+			}
+			return {
+				nationalNumber,
+				nationalPrefix,
+				carrierCode
+			}
+		}
+	}
+   return {
+   	nationalNumber: number
+   }
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extractNationalNumberFromPossiblyIncompleteNumber.test.js

@@ -0,0 +1,15 @@
+import Metadata from '../metadata.js'
+import metadata from '../../metadata.min.json' assert { type: 'json' }
+import extractNationalNumberFromPossiblyIncompleteNumber from './extractNationalNumberFromPossiblyIncompleteNumber.js'
+
+describe('extractNationalNumberFromPossiblyIncompleteNumber', () => {
+	it('should parse a carrier code when there is no national prefix transform rule', () => {
+		const meta = new Metadata(metadata)
+		meta.country('AU')
+		extractNationalNumberFromPossiblyIncompleteNumber('18311800123', meta).should.deep.equal({
+			nationalPrefix: undefined,
+			carrierCode: '1831',
+			nationalNumber: '1800123'
+		})
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extractPhoneContext.js

@@ -0,0 +1,103 @@
+// When phone numbers are written in `RFC3966` format — `"tel:+12133734253"` —
+// they can have their "calling code" part written separately in a `phone-context` parameter.
+// Example: `"tel:12133734253;phone-context=+1"`.
+// This function parses the full phone number from the local number and the `phone-context`
+// when the `phone-context` contains a `+` sign.
+
+import {
+  VALID_DIGITS,
+  // PLUS_CHARS
+} from '../constants.js'
+
+export const PLUS_SIGN = '+'
+
+const RFC3966_VISUAL_SEPARATOR_ = '[\\-\\.\\(\\)]?'
+
+const RFC3966_PHONE_DIGIT_ = '(' + '[' + VALID_DIGITS + ']' + '|' + RFC3966_VISUAL_SEPARATOR_ + ')'
+
+const RFC3966_GLOBAL_NUMBER_DIGITS_ =
+	'^' +
+	'\\' +
+	PLUS_SIGN +
+	RFC3966_PHONE_DIGIT_ +
+	'*' +
+	'[' + VALID_DIGITS +  ']' +
+	RFC3966_PHONE_DIGIT_ +
+	'*' +
+	'$'
+
+/**
+ * Regular expression of valid global-number-digits for the phone-context
+ * parameter, following the syntax defined in RFC3966.
+ */
+const RFC3966_GLOBAL_NUMBER_DIGITS_PATTERN_ = new RegExp(RFC3966_GLOBAL_NUMBER_DIGITS_, 'g')
+
+// In this port of Google's library, we don't accept alpha characters in phone numbers.
+// const ALPHANUM_ = VALID_ALPHA_ + VALID_DIGITS
+const ALPHANUM_ = VALID_DIGITS
+
+const RFC3966_DOMAINLABEL_ = '[' + ALPHANUM_ + ']+((\\-)*[' + ALPHANUM_ + '])*'
+
+const VALID_ALPHA_ = 'a-zA-Z'
+const RFC3966_TOPLABEL_ = '[' + VALID_ALPHA_ + ']+((\\-)*[' + ALPHANUM_ + '])*'
+
+const RFC3966_DOMAINNAME_ = '^(' + RFC3966_DOMAINLABEL_ + '\\.)*' + RFC3966_TOPLABEL_ + '\\.?$'
+
+/**
+ * Regular expression of valid domainname for the phone-context parameter,
+ * following the syntax defined in RFC3966.
+ */
+const RFC3966_DOMAINNAME_PATTERN_ = new RegExp(RFC3966_DOMAINNAME_, 'g')
+
+export const RFC3966_PREFIX_ = 'tel:'
+export const RFC3966_PHONE_CONTEXT_ = ';phone-context='
+export const RFC3966_ISDN_SUBADDRESS_ = ';isub='
+
+/**
+ * Extracts the value of the phone-context parameter of `numberToExtractFrom`,
+ * following the syntax defined in RFC3966.
+ *
+ * @param {string} numberToExtractFrom
+ * @return {string|null} the extracted string (possibly empty), or `null` if no phone-context parameter is found.
+ */
+export default function extractPhoneContext(numberToExtractFrom) {
+	const indexOfPhoneContext = numberToExtractFrom.indexOf(RFC3966_PHONE_CONTEXT_)
+	// If no phone-context parameter is present
+	if (indexOfPhoneContext < 0) {
+		return null
+	}
+
+	const phoneContextStart = indexOfPhoneContext + RFC3966_PHONE_CONTEXT_.length
+	// If phone-context parameter is empty
+	if (phoneContextStart >= numberToExtractFrom.length) {
+		return ''
+	}
+
+	const phoneContextEnd = numberToExtractFrom.indexOf(';', phoneContextStart)
+	// If phone-context is not the last parameter
+	if (phoneContextEnd >= 0) {
+		return numberToExtractFrom.substring(phoneContextStart, phoneContextEnd)
+	} else {
+		return numberToExtractFrom.substring(phoneContextStart)
+	}
+}
+
+/**
+ * Returns whether the value of phoneContext follows the syntax defined in RFC3966.
+ *
+ * @param {string|null} phoneContext
+ * @return {boolean}
+ */
+export function isPhoneContextValid(phoneContext) {
+	if (phoneContext === null) {
+		return true
+	}
+
+	if (phoneContext.length === 0) {
+		return false
+	}
+
+	// Does phone-context value match pattern of global-number-digits or domainname.
+	return RFC3966_GLOBAL_NUMBER_DIGITS_PATTERN_.test(phoneContext) ||
+		RFC3966_DOMAINNAME_PATTERN_.test(phoneContext)
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/extractPhoneContext.test.js

@@ -0,0 +1,104 @@
+import parsePhoneNumber_ from '../parsePhoneNumber.js'
+import PhoneNumber from '../PhoneNumber.js'
+import metadata from '../../metadata.min.json' assert { type: 'json' }
+
+function parsePhoneNumber(...parameters) {
+	parameters.push(metadata)
+	return parsePhoneNumber_.apply(this, parameters)
+}
+
+describe('extractPhoneContext', function() {
+	it('should parse RFC 3966 phone number URIs', function() {
+		// context    = ";phone-context=" descriptor
+		// descriptor = domainname / global-number-digits
+
+		const NZ_NUMBER = new PhoneNumber('64', '33316005', metadata)
+
+		// Valid global-phone-digits
+		expectPhoneNumbersToBeEqual(
+			parsePhoneNumber('tel:033316005;phone-context=+64'),
+			NZ_NUMBER
+		)
+
+		expectPhoneNumbersToBeEqual(
+			parsePhoneNumber('tel:033316005;phone-context=+64;{this isn\'t part of phone-context anymore!}'),
+			NZ_NUMBER
+		)
+
+		const nzFromPhoneContext = new PhoneNumber('64', '3033316005', metadata)
+		expectPhoneNumbersToBeEqual(
+			parsePhoneNumber('tel:033316005;phone-context=+64-3'),
+			nzFromPhoneContext
+		)
+
+		const brFromPhoneContext = new PhoneNumber('55', '5033316005', metadata)
+		expectPhoneNumbersToBeEqual(
+			parsePhoneNumber('tel:033316005;phone-context=+(555)'),
+			brFromPhoneContext
+		)
+
+		const usFromPhoneContext = new PhoneNumber('1', '23033316005', metadata)
+		expectPhoneNumbersToBeEqual(
+			parsePhoneNumber('tel:033316005;phone-context=+-1-2.3()'),
+			usFromPhoneContext
+		)
+
+		// Valid domainname.
+		expectPhoneNumbersToBeEqual(
+			parsePhoneNumber('tel:033316005;phone-context=abc.nz', 'NZ'),
+			NZ_NUMBER
+		)
+		expectPhoneNumbersToBeEqual(
+			parsePhoneNumber('tel:033316005;phone-context=www.PHONE-numb3r.com', 'NZ'),
+			NZ_NUMBER
+		)
+		expectPhoneNumbersToBeEqual(
+			parsePhoneNumber('tel:033316005;phone-context=a', 'NZ'),
+			NZ_NUMBER
+		)
+		expectPhoneNumbersToBeEqual(
+			parsePhoneNumber('tel:033316005;phone-context=3phone.J.', 'NZ'),
+			NZ_NUMBER
+		)
+		expectPhoneNumbersToBeEqual(
+			parsePhoneNumber('tel:033316005;phone-context=a--z', 'NZ'),
+			NZ_NUMBER
+		)
+
+		// Should strip ISDN subaddress.
+		expectPhoneNumbersToBeEqual(
+			parsePhoneNumber('tel:033316005;isub=/@;phone-context=+64', 'NZ'),
+			NZ_NUMBER
+		)
+
+		// // Should support incorrectly-written RFC 3966 phone numbers:
+		// // the ones written without a `tel:` prefix.
+		// expectPhoneNumbersToBeEqual(
+		// 	parsePhoneNumber('033316005;phone-context=+64', 'NZ'),
+		// 	NZ_NUMBER
+		// )
+
+		// Invalid descriptor.
+		expectToThrowForInvalidPhoneContext('tel:033316005;phone-context=')
+		expectToThrowForInvalidPhoneContext('tel:033316005;phone-context=+')
+		expectToThrowForInvalidPhoneContext('tel:033316005;phone-context=64')
+		expectToThrowForInvalidPhoneContext('tel:033316005;phone-context=++64')
+		expectToThrowForInvalidPhoneContext('tel:033316005;phone-context=+abc')
+		expectToThrowForInvalidPhoneContext('tel:033316005;phone-context=.')
+		expectToThrowForInvalidPhoneContext('tel:033316005;phone-context=3phone')
+		expectToThrowForInvalidPhoneContext('tel:033316005;phone-context=a-.nz')
+		expectToThrowForInvalidPhoneContext('tel:033316005;phone-context=a{b}c')
+	})
+})
+
+function expectToThrowForInvalidPhoneContext(string) {
+	expect(parsePhoneNumber(string)).to.be.undefined
+}
+
+function expectPhoneNumbersToBeEqual(phoneNumber1, phoneNumber2) {
+	if (!phoneNumber1 || !phoneNumber2) {
+		return false
+	}
+	return phoneNumber1.number === phoneNumber2.number &&
+		phoneNumber1.ext === phoneNumber2.ext
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/formatNationalNumberUsingFormat.js

@@ -0,0 +1,46 @@
+import applyInternationalSeparatorStyle from './applyInternationalSeparatorStyle.js'
+
+// This was originally set to $1 but there are some countries for which the
+// first group is not used in the national pattern (e.g. Argentina) so the $1
+// group does not match correctly. Therefore, we use `\d`, so that the first
+// group actually used in the pattern will be matched.
+export const FIRST_GROUP_PATTERN = /(\$\d)/
+
+export default function formatNationalNumberUsingFormat(
+	number,
+	format,
+	{
+		useInternationalFormat,
+		withNationalPrefix,
+		carrierCode,
+		metadata
+	}
+) {
+	const formattedNumber = number.replace(
+		new RegExp(format.pattern()),
+		useInternationalFormat
+			? format.internationalFormat()
+			: (
+				// This library doesn't use `domestic_carrier_code_formatting_rule`,
+				// because that one is only used when formatting phone numbers
+				// for dialing from a mobile phone, and this is not a dialing library.
+				// carrierCode && format.domesticCarrierCodeFormattingRule()
+				// 	// First, replace the $CC in the formatting rule with the desired carrier code.
+				// 	// Then, replace the $FG in the formatting rule with the first group
+				// 	// and the carrier code combined in the appropriate way.
+				// 	? format.format().replace(FIRST_GROUP_PATTERN, format.domesticCarrierCodeFormattingRule().replace('$CC', carrierCode))
+				// 	: (
+				// 		withNationalPrefix && format.nationalPrefixFormattingRule()
+				// 			? format.format().replace(FIRST_GROUP_PATTERN, format.nationalPrefixFormattingRule())
+				// 			: format.format()
+				// 	)
+				withNationalPrefix && format.nationalPrefixFormattingRule()
+					? format.format().replace(FIRST_GROUP_PATTERN, format.nationalPrefixFormattingRule())
+					: format.format()
+			)
+	)
+	if (useInternationalFormat) {
+		return applyInternationalSeparatorStyle(formattedNumber)
+	}
+	return formattedNumber
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/getCountryByCallingCode.js

@@ -0,0 +1,30 @@
+import getCountryByNationalNumber from './getCountryByNationalNumber.js'
+
+const USE_NON_GEOGRAPHIC_COUNTRY_CODE = false
+
+export default function getCountryByCallingCode(callingCode, {
+	nationalNumber: nationalPhoneNumber,
+	defaultCountry,
+	metadata
+}) {
+	/* istanbul ignore if */
+	if (USE_NON_GEOGRAPHIC_COUNTRY_CODE) {
+		if (metadata.isNonGeographicCallingCode(callingCode)) {
+			return '001'
+		}
+	}
+	const possibleCountries = metadata.getCountryCodesForCallingCode(callingCode)
+	if (!possibleCountries) {
+		return
+	}
+	// If there's just one country corresponding to the country code,
+	// then just return it, without further phone number digits validation.
+	if (possibleCountries.length === 1) {
+		return possibleCountries[0]
+	}
+	return getCountryByNationalNumber(nationalPhoneNumber, {
+		countries: possibleCountries,
+		defaultCountry,
+		metadata: metadata.metadata
+	})
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/getCountryByNationalNumber.js

@@ -0,0 +1,52 @@
+import Metadata from '../metadata.js'
+import getNumberType from './getNumberType.js'
+
+export default function getCountryByNationalNumber(nationalPhoneNumber, {
+	countries,
+	defaultCountry,
+	metadata
+}) {
+	// Re-create `metadata` because it will be selecting a `country`.
+	metadata = new Metadata(metadata)
+
+	// const matchingCountries = []
+
+	for (const country of countries) {
+		metadata.country(country)
+		// "Leading digits" patterns are only defined for about 20% of all countries.
+		// By definition, matching "leading digits" is a sufficient but not a necessary
+		// condition for a phone number to belong to a country.
+		// The point of "leading digits" check is that it's the fastest one to get a match.
+		// https://gitlab.com/catamphetamine/libphonenumber-js/blob/master/METADATA.md#leading_digits
+		// I'd suppose that "leading digits" patterns are mutually exclusive for different countries
+		// because of the intended use of that feature.
+		if (metadata.leadingDigits()) {
+			if (nationalPhoneNumber &&
+				nationalPhoneNumber.search(metadata.leadingDigits()) === 0) {
+				return country
+			}
+		}
+		// Else perform full validation with all of those
+		// fixed-line/mobile/etc regular expressions.
+		else if (getNumberType({ phone: nationalPhoneNumber, country }, undefined, metadata.metadata)) {
+			// If both the `defaultCountry` and the "main" one match the phone number,
+			// don't prefer the `defaultCountry` over the "main" one.
+			// https://gitlab.com/catamphetamine/libphonenumber-js/-/issues/154
+			return country
+			// // If the `defaultCountry` is among the `matchingCountries` then return it.
+			// if (defaultCountry) {
+			// 	if (country === defaultCountry) {
+			// 		return country
+			// 	}
+			// 	matchingCountries.push(country)
+			// } else {
+			// 	return country
+			// }
+		}
+	}
+
+	// // Return the first ("main") one of the `matchingCountries`.
+	// if (matchingCountries.length > 0) {
+	// 	return matchingCountries[0]
+	// }
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/getIddPrefix.js

@@ -0,0 +1,25 @@
+import Metadata from '../metadata.js'
+
+/**
+ * Pattern that makes it easy to distinguish whether a region has a single
+ * international dialing prefix or not. If a region has a single international
+ * prefix (e.g. 011 in USA), it will be represented as a string that contains
+ * a sequence of ASCII digits, and possibly a tilde, which signals waiting for
+ * the tone. If there are multiple available international prefixes in a
+ * region, they will be represented as a regex string that always contains one
+ * or more characters that are not ASCII digits or a tilde.
+ */
+const SINGLE_IDD_PREFIX_REG_EXP = /^[\d]+(?:[~\u2053\u223C\uFF5E][\d]+)?$/
+
+// For regions that have multiple IDD prefixes
+// a preferred IDD prefix is returned.
+export default function getIddPrefix(country, callingCode, metadata) {
+	const countryMetadata = new Metadata(metadata)
+	countryMetadata.selectNumberingPlan(country, callingCode)
+	if (countryMetadata.defaultIDDPrefix()) {
+		return countryMetadata.defaultIDDPrefix()
+	}
+	if (SINGLE_IDD_PREFIX_REG_EXP.test(countryMetadata.IDDPrefix())) {
+		return countryMetadata.IDDPrefix()
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/getNumberType.js

@@ -0,0 +1,98 @@
+import Metadata from '../metadata.js'
+import matchesEntirely from './matchesEntirely.js'
+
+const NON_FIXED_LINE_PHONE_TYPES = [
+	'MOBILE',
+	'PREMIUM_RATE',
+	'TOLL_FREE',
+	'SHARED_COST',
+	'VOIP',
+	'PERSONAL_NUMBER',
+	'PAGER',
+	'UAN',
+	'VOICEMAIL'
+]
+
+// Finds out national phone number type (fixed line, mobile, etc)
+export default function getNumberType(input, options, metadata)
+{
+	// If assigning the `{}` default value is moved to the arguments above,
+	// code coverage would decrease for some weird reason.
+	options = options || {}
+
+	// When `parse()` returns an empty object — `{}` —
+	// that means that the phone number is malformed,
+	// so it can't possibly be valid.
+	if (!input.country && !input.countryCallingCode) {
+		return
+	}
+
+	metadata = new Metadata(metadata)
+
+	metadata.selectNumberingPlan(input.country, input.countryCallingCode)
+
+	const nationalNumber = options.v2 ? input.nationalNumber : input.phone
+
+	// The following is copy-pasted from the original function:
+	// https://github.com/googlei18n/libphonenumber/blob/3ea547d4fbaa2d0b67588904dfa5d3f2557c27ff/javascript/i18n/phonenumbers/phonenumberutil.js#L2835
+
+	// Is this national number even valid for this country
+	if (!matchesEntirely(nationalNumber, metadata.nationalNumberPattern())) {
+		return
+	}
+
+	// Is it fixed line number
+	if (isNumberTypeEqualTo(nationalNumber, 'FIXED_LINE', metadata)) {
+		// Because duplicate regular expressions are removed
+		// to reduce metadata size, if "mobile" pattern is ""
+		// then it means it was removed due to being a duplicate of the fixed-line pattern.
+		//
+		if (metadata.type('MOBILE') && metadata.type('MOBILE').pattern() === '') {
+			return 'FIXED_LINE_OR_MOBILE'
+		}
+
+		// `MOBILE` type pattern isn't included if it matched `FIXED_LINE` one.
+		// For example, for "US" country.
+		// Old metadata (< `1.0.18`) had a specific "types" data structure
+		// that happened to be `undefined` for `MOBILE` in that case.
+		// Newer metadata (>= `1.0.18`) has another data structure that is
+		// not `undefined` for `MOBILE` in that case (it's just an empty array).
+		// So this `if` is just for backwards compatibility with old metadata.
+		if (!metadata.type('MOBILE')) {
+			return 'FIXED_LINE_OR_MOBILE'
+		}
+
+		// Check if the number happens to qualify as both fixed line and mobile.
+		// (no such country in the minimal metadata set)
+		/* istanbul ignore if */
+		if (isNumberTypeEqualTo(nationalNumber, 'MOBILE', metadata)) {
+			return 'FIXED_LINE_OR_MOBILE'
+		}
+
+		return 'FIXED_LINE'
+	}
+
+	for (const type of NON_FIXED_LINE_PHONE_TYPES) {
+		if (isNumberTypeEqualTo(nationalNumber, type, metadata)) {
+			return type
+		}
+	}
+}
+
+export function isNumberTypeEqualTo(nationalNumber, type, metadata) {
+	type = metadata.type(type)
+	if (!type || !type.pattern()) {
+		return false
+	}
+	// Check if any possible number lengths are present;
+	// if so, we use them to avoid checking
+	// the validation pattern if they don't match.
+	// If they are absent, this means they match
+	// the general description, which we have
+	// already checked before a specific number type.
+	if (type.possibleLengths() &&
+		type.possibleLengths().indexOf(nationalNumber.length) < 0) {
+		return false
+	}
+	return matchesEntirely(nationalNumber, type.pattern())
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/getNumberType.test.js

@@ -0,0 +1,26 @@
+import getNumberType from './getNumberType.js'
+
+import oldMetadata from '../../test/metadata/1.0.0/metadata.min.json' assert { type: 'json' }
+
+import Metadata from '../metadata.js'
+
+describe('getNumberType', function() {
+	it('should get number type when using old metadata', function() {
+		getNumberType(
+			{
+				nationalNumber: '2133734253',
+				country: 'US'
+			},
+			{ v2: true },
+			oldMetadata
+		).should.equal('FIXED_LINE_OR_MOBILE')
+	})
+
+	it('should return `undefined` when the phone number is a malformed one', function() {
+		expect(getNumberType(
+			{},
+			{ v2: true },
+			oldMetadata
+		)).to.equal(undefined)
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/getPossibleCountriesForNumber.js

@@ -0,0 +1,28 @@
+import Metadata from '../metadata.js'
+
+/**
+ * Returns a list of countries that the phone number could potentially belong to.
+ * @param  {string} callingCode — Calling code.
+ * @param  {string} nationalNumber — National (significant) number.
+ * @param  {object} metadata — Metadata.
+ * @return {string[]} A list of possible countries.
+ */
+export default function getPossibleCountriesForNumber(callingCode, nationalNumber, metadata) {
+	const _metadata = new Metadata(metadata)
+	let possibleCountries = _metadata.getCountryCodesForCallingCode(callingCode)
+	if (!possibleCountries) {
+		return []
+	}
+	return possibleCountries.filter((country) => {
+		return couldNationalNumberBelongToCountry(nationalNumber, country, metadata)
+	})
+}
+
+function couldNationalNumberBelongToCountry(nationalNumber, country, metadata) {
+	const _metadata = new Metadata(metadata)
+	_metadata.selectNumberingPlan(country)
+	if (_metadata.numberingPlan.possibleLengths().indexOf(nationalNumber.length) >= 0) {
+		return true
+	}
+	return false
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/isObject.js

@@ -0,0 +1,5 @@
+const objectConstructor = {}.constructor;
+
+export default function isObject(object) {
+  return object !== undefined && object !== null && object.constructor === objectConstructor;
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/isViablePhoneNumber.js

@@ -0,0 +1,108 @@
+import {
+	MIN_LENGTH_FOR_NSN,
+	VALID_DIGITS,
+	VALID_PUNCTUATION,
+	PLUS_CHARS
+} from '../constants.js'
+
+import createExtensionPattern from './extension/createExtensionPattern.js'
+
+//  Regular expression of viable phone numbers. This is location independent.
+//  Checks we have at least three leading digits, and only valid punctuation,
+//  alpha characters and digits in the phone number. Does not include extension
+//  data. The symbol 'x' is allowed here as valid punctuation since it is often
+//  used as a placeholder for carrier codes, for example in Brazilian phone
+//  numbers. We also allow multiple '+' characters at the start.
+//
+//  Corresponds to the following:
+//  [digits]{minLengthNsn}|
+//  plus_sign*
+//  (([punctuation]|[star])*[digits]){3,}([punctuation]|[star]|[digits]|[alpha])*
+//
+//  The first reg-ex is to allow short numbers (two digits long) to be parsed if
+//  they are entered as "15" etc, but only if there is no punctuation in them.
+//  The second expression restricts the number of digits to three or more, but
+//  then allows them to be in international form, and to have alpha-characters
+//  and punctuation. We split up the two reg-exes here and combine them when
+//  creating the reg-ex VALID_PHONE_NUMBER_PATTERN itself so we can prefix it
+//  with ^ and append $ to each branch.
+//
+//  "Note VALID_PUNCTUATION starts with a -,
+//   so must be the first in the range" (c) Google devs.
+//  (wtf did they mean by saying that; probably nothing)
+//
+const MIN_LENGTH_PHONE_NUMBER_PATTERN = '[' + VALID_DIGITS + ']{' + MIN_LENGTH_FOR_NSN + '}'
+//
+// And this is the second reg-exp:
+// (see MIN_LENGTH_PHONE_NUMBER_PATTERN for a full description of this reg-exp)
+//
+export const VALID_PHONE_NUMBER =
+	'[' + PLUS_CHARS + ']{0,1}' +
+	'(?:' +
+		'[' + VALID_PUNCTUATION + ']*' +
+		'[' + VALID_DIGITS + ']' +
+	'){3,}' +
+	'[' +
+		VALID_PUNCTUATION +
+		VALID_DIGITS +
+	']*'
+
+// This regular expression isn't present in Google's `libphonenumber`
+// and is only used to determine whether the phone number being input
+// is too short for it to even consider it a "valid" number.
+// This is just a way to differentiate between a really invalid phone
+// number like "abcde" and a valid phone number that a user has just
+// started inputting, like "+1" or "1": both these cases would be
+// considered `NOT_A_NUMBER` by Google's `libphonenumber`, but this
+// library can provide a more detailed error message — whether it's
+// really "not a number", or is it just a start of a valid phone number.
+const VALID_PHONE_NUMBER_START_REG_EXP = new RegExp(
+	'^' +
+	'[' + PLUS_CHARS + ']{0,1}' +
+	'(?:' +
+		'[' + VALID_PUNCTUATION + ']*' +
+		'[' + VALID_DIGITS + ']' +
+	'){1,2}' +
+	'$'
+, 'i')
+
+export const VALID_PHONE_NUMBER_WITH_EXTENSION =
+	VALID_PHONE_NUMBER +
+	// Phone number extensions
+	'(?:' + createExtensionPattern() + ')?'
+
+// The combined regular expression for valid phone numbers:
+//
+const VALID_PHONE_NUMBER_PATTERN = new RegExp(
+	// Either a short two-digit-only phone number
+	'^' +
+		MIN_LENGTH_PHONE_NUMBER_PATTERN +
+	'$' +
+	'|' +
+	// Or a longer fully parsed phone number (min 3 characters)
+	'^' +
+		VALID_PHONE_NUMBER_WITH_EXTENSION +
+	'$'
+, 'i')
+
+// Checks to see if the string of characters could possibly be a phone number at
+// all. At the moment, checks to see that the string begins with at least 2
+// digits, ignoring any punctuation commonly found in phone numbers. This method
+// does not require the number to be normalized in advance - but does assume
+// that leading non-number symbols have been removed, such as by the method
+// `extract_possible_number`.
+//
+export default function isViablePhoneNumber(number) {
+	return number.length >= MIN_LENGTH_FOR_NSN &&
+		VALID_PHONE_NUMBER_PATTERN.test(number)
+}
+
+// This is just a way to differentiate between a really invalid phone
+// number like "abcde" and a valid phone number that a user has just
+// started inputting, like "+1" or "1": both these cases would be
+// considered `NOT_A_NUMBER` by Google's `libphonenumber`, but this
+// library can provide a more detailed error message — whether it's
+// really "not a number", or is it just a start of a valid phone number.
+export function isViablePhoneNumberStart(number) {
+	return VALID_PHONE_NUMBER_START_REG_EXP.test(number)
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/matchesEntirely.js

@@ -0,0 +1,11 @@
+/**
+ * Checks whether the entire input sequence can be matched
+ * against the regular expression.
+ * @return {boolean}
+ */
+export default function matchesEntirely(text, regular_expression) {
+	// If assigning the `''` default value is moved to the arguments above,
+	// code coverage would decrease for some weird reason.
+	text = text || ''
+	return new RegExp('^(?:' + regular_expression + ')$').test(text)
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/matchesEntirely.test.js

@@ -0,0 +1,11 @@
+import matchesEntirely from './matchesEntirely.js'
+
+describe('matchesEntirely', () => {
+	it('should work in edge cases', () => {
+		// No text.
+		matchesEntirely(undefined, '').should.equal(true)
+
+		// "OR" in regexp.
+		matchesEntirely('911231231', '4\d{8}|[1-9]\d{7}').should.equal(false)
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/mergeArrays.js

@@ -0,0 +1,24 @@
+/**
+ * Merges two arrays.
+ * @param  {*} a
+ * @param  {*} b
+ * @return {*}
+ */
+export default function mergeArrays(a, b) {
+	const merged = a.slice()
+
+	for (const element of b) {
+		if (a.indexOf(element) < 0) {
+			merged.push(element)
+		}
+	}
+
+	return merged.sort((a, b) => a - b)
+
+	// ES6 version, requires Set polyfill.
+	// let merged = new Set(a)
+	// for (const element of b) {
+	// 	merged.add(i)
+	// }
+	// return Array.from(merged).sort((a, b) => a - b)
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/mergeArrays.test.js

@@ -0,0 +1,7 @@
+import mergeArrays from './mergeArrays.js'
+
+describe('mergeArrays', () => {
+	it('should merge arrays', () => {
+		mergeArrays([1, 2], [2, 3]).should.deep.equal([1, 2, 3])
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/parseDigits.js

@@ -0,0 +1,82 @@
+// These mappings map a character (key) to a specific digit that should
+// replace it for normalization purposes. Non-European digits that
+// may be used in phone numbers are mapped to a European equivalent.
+//
+// E.g. in Iraq they don't write `+442323234` but rather `+٤٤٢٣٢٣٢٣٤`.
+//
+export const DIGITS = {
+	'0': '0',
+	'1': '1',
+	'2': '2',
+	'3': '3',
+	'4': '4',
+	'5': '5',
+	'6': '6',
+	'7': '7',
+	'8': '8',
+	'9': '9',
+	'\uFF10': '0', // Fullwidth digit 0
+	'\uFF11': '1', // Fullwidth digit 1
+	'\uFF12': '2', // Fullwidth digit 2
+	'\uFF13': '3', // Fullwidth digit 3
+	'\uFF14': '4', // Fullwidth digit 4
+	'\uFF15': '5', // Fullwidth digit 5
+	'\uFF16': '6', // Fullwidth digit 6
+	'\uFF17': '7', // Fullwidth digit 7
+	'\uFF18': '8', // Fullwidth digit 8
+	'\uFF19': '9', // Fullwidth digit 9
+	'\u0660': '0', // Arabic-indic digit 0
+	'\u0661': '1', // Arabic-indic digit 1
+	'\u0662': '2', // Arabic-indic digit 2
+	'\u0663': '3', // Arabic-indic digit 3
+	'\u0664': '4', // Arabic-indic digit 4
+	'\u0665': '5', // Arabic-indic digit 5
+	'\u0666': '6', // Arabic-indic digit 6
+	'\u0667': '7', // Arabic-indic digit 7
+	'\u0668': '8', // Arabic-indic digit 8
+	'\u0669': '9', // Arabic-indic digit 9
+	'\u06F0': '0', // Eastern-Arabic digit 0
+	'\u06F1': '1', // Eastern-Arabic digit 1
+	'\u06F2': '2', // Eastern-Arabic digit 2
+	'\u06F3': '3', // Eastern-Arabic digit 3
+	'\u06F4': '4', // Eastern-Arabic digit 4
+	'\u06F5': '5', // Eastern-Arabic digit 5
+	'\u06F6': '6', // Eastern-Arabic digit 6
+	'\u06F7': '7', // Eastern-Arabic digit 7
+	'\u06F8': '8', // Eastern-Arabic digit 8
+	'\u06F9': '9'  // Eastern-Arabic digit 9
+}
+
+export function parseDigit(character) {
+	return DIGITS[character]
+}
+
+/**
+ * Parses phone number digits from a string.
+ * Drops all punctuation leaving only digits.
+ * Also converts wide-ascii and arabic-indic numerals to conventional numerals.
+ * E.g. in Iraq they don't write `+442323234` but rather `+٤٤٢٣٢٣٢٣٤`.
+ * @param  {string} string
+ * @return {string}
+ * @example
+ * ```js
+ * parseDigits('8 (800) 555')
+ * // Outputs '8800555'.
+ * ```
+ */
+export default function parseDigits(string) {
+	let result = ''
+	// Using `.split('')` here instead of normal `for ... of`
+	// because the importing application doesn't neccessarily include an ES6 polyfill.
+	// The `.split('')` approach discards "exotic" UTF-8 characters
+	// (the ones consisting of four bytes) but digits
+	// (including non-European ones) don't fall into that range
+	// so such "exotic" characters would be discarded anyway.
+	for (const character of string.split('')) {
+		const digit = parseDigit(character)
+		if (digit) {
+			result += digit
+		}
+	}
+	return result
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/parseDigits.test.js

@@ -0,0 +1,7 @@
+import parseDigits from './parseDigits.js'
+
+describe('parseDigits', () => {
+	it('should parse digits', () => {
+		parseDigits('+٤٤٢٣٢٣٢٣٤').should.equal('442323234')
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/stripIddPrefix.js

@@ -0,0 +1,30 @@
+import Metadata from '../metadata.js'
+import { VALID_DIGITS } from '../constants.js'
+
+const CAPTURING_DIGIT_PATTERN = new RegExp('([' + VALID_DIGITS + '])')
+
+export default function stripIddPrefix(number, country, callingCode, metadata) {
+	if (!country) {
+		return
+	}
+	// Check if the number is IDD-prefixed.
+	const countryMetadata = new Metadata(metadata)
+	countryMetadata.selectNumberingPlan(country, callingCode)
+	const IDDPrefixPattern = new RegExp(countryMetadata.IDDPrefix())
+	if (number.search(IDDPrefixPattern) !== 0) {
+		return
+	}
+	// Strip IDD prefix.
+	number = number.slice(number.match(IDDPrefixPattern)[0].length)
+	// If there're any digits after an IDD prefix,
+	// then those digits are a country calling code.
+	// Since no country code starts with a `0`,
+	// the code below validates that the next digit (if present) is not `0`.
+	const matchedGroups = number.match(CAPTURING_DIGIT_PATTERN)
+	if (matchedGroups && matchedGroups[1] != null && matchedGroups[1].length > 0) {
+		if (matchedGroups[1] === '0') {
+			return
+		}
+	}
+	return number
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/helpers/stripIddPrefix.test.js

@@ -0,0 +1,21 @@
+import stripIddPrefix from './stripIddPrefix.js'
+
+import metadata from '../../metadata.min.json' assert { type: 'json' }
+
+describe('stripIddPrefix', () => {
+	it('should strip a valid IDD prefix', () => {
+		stripIddPrefix('01178005553535', 'US', '1', metadata).should.equal('78005553535')
+	})
+
+	it('should strip a valid IDD prefix (no country calling code)', () => {
+		stripIddPrefix('011', 'US', '1', metadata).should.equal('')
+	})
+
+	it('should strip a valid IDD prefix (valid country calling code)', () => {
+		stripIddPrefix('0117', 'US', '1', metadata).should.equal('7')
+	})
+
+	it('should strip a valid IDD prefix (not a valid country calling code)', () => {
+		expect(stripIddPrefix('0110', 'US', '1', metadata)).to.be.undefined
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/isPossible.js

@@ -0,0 +1,78 @@
+import Metadata from './metadata.js'
+import checkNumberLength from './helpers/checkNumberLength.js'
+
+/**
+ * Checks if a phone number is "possible" (basically just checks its length).
+ *
+ * isPossible(phoneNumberInstance, { ..., v2: true }, metadata)
+ *
+ * isPossible({ phone: '8005553535', country: 'RU' }, { ... }, metadata)
+ * isPossible({ phone: '8005553535', country: 'RU' }, undefined, metadata)
+ *
+ * @param  {object|PhoneNumber} input — If `options.v2: true` flag is passed, the `input` should be a `PhoneNumber` instance. Otherwise, it should be an object of shape `{ phone: '...', country: '...' }`.
+ * @param  {object} [options]
+ * @param  {object} metadata
+ * @return {string}
+ */
+export default function isPossiblePhoneNumber(input, options, metadata) {
+	/* istanbul ignore if */
+	if (options === undefined) {
+		options = {}
+	}
+
+	metadata = new Metadata(metadata)
+
+	if (options.v2) {
+		if (!input.countryCallingCode) {
+			throw new Error('Invalid phone number object passed')
+		}
+		metadata.selectNumberingPlan(input.countryCallingCode)
+	} else {
+		if (!input.phone) {
+			return false
+		}
+		if (input.country) {
+			if (!metadata.hasCountry(input.country)) {
+				throw new Error(`Unknown country: ${input.country}`)
+			}
+			metadata.country(input.country)
+		} else {
+			if (!input.countryCallingCode) {
+				throw new Error('Invalid phone number object passed')
+			}
+			metadata.selectNumberingPlan(input.countryCallingCode)
+		}
+	}
+
+	// Old metadata (< 1.0.18) had no "possible length" data.
+	if (metadata.possibleLengths()) {
+		return isPossibleNumber(input.phone || input.nationalNumber, metadata)
+	} else {
+		// There was a bug between `1.7.35` and `1.7.37` where "possible_lengths"
+		// were missing for "non-geographical" numbering plans.
+		// Just assume the number is possible in such cases:
+		// it's unlikely that anyone generated their custom metadata
+		// in that short period of time (one day).
+		// This code can be removed in some future major version update.
+		if (input.countryCallingCode && metadata.isNonGeographicCallingCode(input.countryCallingCode)) {
+			// "Non-geographic entities" did't have `possibleLengths`
+			// due to a bug in metadata generation process.
+			return true
+		} else {
+			throw new Error('Missing "possibleLengths" in metadata. Perhaps the metadata has been generated before v1.0.18.');
+		}
+	}
+}
+
+export function isPossibleNumber(nationalNumber, metadata) { //, isInternational) {
+	switch (checkNumberLength(nationalNumber, metadata)) {
+		case 'IS_POSSIBLE':
+			return true
+		// This library ignores "local-only" phone numbers (for simplicity).
+		// See the readme for more info on what are "local-only" phone numbers.
+		// case 'IS_POSSIBLE_LOCAL_ONLY':
+		// 	return !isInternational
+		default:
+			return false
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/isPossible.test.js

@@ -0,0 +1,66 @@
+import metadata from '../metadata.min.json' assert { type: 'json' }
+import _isPossibleNumber from './isPossible.js'
+import parsePhoneNumber from './parsePhoneNumber.js'
+
+function isPossibleNumber(...parameters) {
+	let v2
+	if (parameters.length < 1) {
+		// `input` parameter.
+		parameters.push(undefined)
+	} else {
+		// Convert string `input` to a `PhoneNumber` instance.
+		if (typeof parameters[0] === 'string') {
+			v2 = true
+			parameters[0] = parsePhoneNumber(parameters[0], {
+				...parameters[1],
+				extract: false
+			}, metadata)
+		}
+	}
+	if (parameters.length < 2) {
+		// `options` parameter.
+		parameters.push(undefined)
+	}
+	// Set `v2` flag.
+	parameters[1] = {
+		v2,
+		...parameters[1]
+	}
+	// Add `metadata` parameter.
+	parameters.push(metadata)
+	// Call the function.
+	return _isPossibleNumber.apply(this, parameters)
+}
+
+describe('isPossible', () => {
+	it('should work', function()
+	{
+		isPossibleNumber('+79992223344').should.equal(true)
+
+		isPossibleNumber({ phone: '1112223344', country: 'RU' }).should.equal(true)
+		isPossibleNumber({ phone: '111222334', country: 'RU' }).should.equal(false)
+		isPossibleNumber({ phone: '11122233445', country: 'RU' }).should.equal(false)
+
+		isPossibleNumber({ phone: '1112223344', countryCallingCode: 7 }).should.equal(true)
+	})
+
+	it('should work v2', () => {
+		isPossibleNumber({ nationalNumber: '111222334', countryCallingCode: 7 }, { v2: true }).should.equal(false)
+		isPossibleNumber({ nationalNumber: '1112223344', countryCallingCode: 7 }, { v2: true }).should.equal(true)
+		isPossibleNumber({ nationalNumber: '11122233445', countryCallingCode: 7 }, { v2: true }).should.equal(false)
+	})
+
+	it('should work in edge cases', () => {
+		// Invalid `PhoneNumber` argument.
+		expect(() => isPossibleNumber({}, { v2: true })).to.throw('Invalid phone number object passed')
+
+		// Empty input is passed.
+		// This is just to support `isValidNumber({})`
+		// for cases when `parseNumber()` returns `{}`.
+		isPossibleNumber({}).should.equal(false)
+		expect(() => isPossibleNumber({ phone: '1112223344' })).to.throw('Invalid phone number object passed')
+
+		// Incorrect country.
+		expect(() => isPossibleNumber({ phone: '1112223344', country: 'XX' })).to.throw('Unknown country')
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/isPossiblePhoneNumber.js

@@ -0,0 +1,12 @@
+import normalizeArguments from './normalizeArguments.js'
+import parsePhoneNumber from './parsePhoneNumber_.js'
+
+export default function isPossiblePhoneNumber() {
+	let { text, options, metadata } = normalizeArguments(arguments)
+	options = {
+		...options,
+		extract: false
+	}
+	const phoneNumber = parsePhoneNumber(text, options, metadata)
+	return phoneNumber && phoneNumber.isPossible() || false
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/isPossiblePhoneNumber.test.js

@@ -0,0 +1,27 @@
+import _isPossiblePhoneNumber from './isPossiblePhoneNumber.js'
+import metadata from '../metadata.min.json' assert { type: 'json' }
+import oldMetadata from '../test/metadata/1.0.0/metadata.min.json' assert { type: 'json' }
+
+function isPossiblePhoneNumber(...parameters) {
+	parameters.push(metadata)
+	return _isPossiblePhoneNumber.apply(this, parameters)
+}
+
+describe('isPossiblePhoneNumber', () => {
+	it('should detect whether a phone number is possible', () => {
+		isPossiblePhoneNumber('8 (800) 555 35 35', 'RU').should.equal(true)
+		isPossiblePhoneNumber('8 (800) 555 35 35 0', 'RU').should.equal(false)
+		isPossiblePhoneNumber('Call: 8 (800) 555 35 35', 'RU').should.equal(false)
+		isPossiblePhoneNumber('8 (800) 555 35 35', { defaultCountry: 'RU' }).should.equal(true)
+		isPossiblePhoneNumber('+7 (800) 555 35 35').should.equal(true)
+		isPossiblePhoneNumber('+7 1 (800) 555 35 35').should.equal(false)
+		isPossiblePhoneNumber(' +7 (800) 555 35 35').should.equal(false)
+		isPossiblePhoneNumber(' ').should.equal(false)
+	})
+
+	it('should detect whether a phone number is possible when using old metadata', () => {
+		expect(() => _isPossiblePhoneNumber('8 (800) 555 35 35', 'RU', oldMetadata))
+			.to.throw('Missing "possibleLengths" in metadata.')
+		_isPossiblePhoneNumber('+888 123 456 78901', oldMetadata).should.equal(true)
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/isValid.js

@@ -0,0 +1,59 @@
+import Metadata from './metadata.js'
+import matchesEntirely from './helpers/matchesEntirely.js'
+import getNumberType from './helpers/getNumberType.js'
+
+/**
+ * Checks if a given phone number is valid.
+ *
+ * isValid(phoneNumberInstance, { ..., v2: true }, metadata)
+ *
+ * isPossible({ phone: '8005553535', country: 'RU' }, { ... }, metadata)
+ * isPossible({ phone: '8005553535', country: 'RU' }, undefined, metadata)
+ *
+ * If the `number` is a string, it will be parsed to an object,
+ * but only if it contains only valid phone number characters (including punctuation).
+ * If the `number` is an object, it is used as is.
+ *
+ * The optional `defaultCountry` argument is the default country.
+ * I.e. it does not restrict to just that country,
+ * e.g. in those cases where several countries share
+ * the same phone numbering rules (NANPA, Britain, etc).
+ * For example, even though the number `07624 369230`
+ * belongs to the Isle of Man ("IM" country code)
+ * calling `isValidNumber('07624369230', 'GB', metadata)`
+ * still returns `true` because the country is not restricted to `GB`,
+ * it's just that `GB` is the default one for the phone numbering rules.
+ * For restricting the country see `isValidNumberForRegion()`
+ * though restricting a country might not be a good idea.
+ * https://github.com/googlei18n/libphonenumber/blob/master/FAQ.md#when-should-i-use-isvalidnumberforregion
+ *
+ * Examples:
+ *
+ * ```js
+ * isValidNumber('+78005553535', metadata)
+ * isValidNumber('8005553535', 'RU', metadata)
+ * isValidNumber('88005553535', 'RU', metadata)
+ * isValidNumber({ phone: '8005553535', country: 'RU' }, metadata)
+ * ```
+ */
+export default function isValidNumber(input, options, metadata)
+{
+	// If assigning the `{}` default value is moved to the arguments above,
+	// code coverage would decrease for some weird reason.
+	options = options || {}
+
+	metadata = new Metadata(metadata)
+
+	metadata.selectNumberingPlan(input.country, input.countryCallingCode)
+
+	// By default, countries only have type regexps when it's required for
+	// distinguishing different countries having the same `countryCallingCode`.
+	if (metadata.hasTypes()) {
+		return getNumberType(input, options, metadata.metadata) !== undefined
+	}
+
+	// If there are no type regexps for this country in metadata then use
+	// `nationalNumberPattern` as a "better than nothing" replacement.
+	const nationalNumber = options.v2 ? input.nationalNumber : input.phone
+	return matchesEntirely(nationalNumber, metadata.nationalNumberPattern())
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/isValid.test.js

@@ -0,0 +1,120 @@
+import metadata from '../metadata.min.json' assert { type: 'json' }
+import _isValidNumber from './isValid.js'
+import parsePhoneNumber from './parsePhoneNumber.js'
+
+function isValidNumber(...parameters) {
+	let v2
+	if (parameters.length < 1) {
+		// `input` parameter.
+		parameters.push(undefined)
+	} else {
+		// Convert string `input` to a `PhoneNumber` instance.
+		if (typeof parameters[0] === 'string') {
+			v2 = true
+			parameters[0] = parsePhoneNumber(parameters[0], {
+				...parameters[1],
+				extract: false
+			}, metadata)
+		}
+	}
+	if (parameters.length < 2) {
+		// `options` parameter.
+		parameters.push(undefined)
+	}
+	// Set `v2` flag.
+	parameters[1] = {
+		v2,
+		...parameters[1]
+	}
+	// Add `metadata` parameter.
+	parameters.push(metadata)
+	// Call the function.
+	return _isValidNumber.apply(this, parameters)
+}
+
+describe('validate', () => {
+	it('should validate phone numbers', () => {
+		isValidNumber('+1-213-373-4253').should.equal(true)
+		isValidNumber('+1-213-373').should.equal(false)
+
+		isValidNumber('+1-213-373-4253', undefined).should.equal(true)
+
+		isValidNumber('(213) 373-4253', { defaultCountry: 'US' }).should.equal(true)
+		isValidNumber('(213) 37', { defaultCountry: 'US' }).should.equal(false)
+
+		isValidNumber({ country: 'US', phone: '2133734253' }).should.equal(true)
+
+		// No "types" info: should return `true`.
+		isValidNumber('+380972423740').should.equal(true)
+
+		isValidNumber('0912345678', { defaultCountry: 'TW' }).should.equal(true)
+
+		// Moible numbers starting 07624* are Isle of Man
+		// which has its own "country code" "IM"
+		// which is in the "GB" "country calling code" zone.
+		// So while this number is for "IM" it's still supposed to
+		// be valid when passed "GB" as a default country.
+		isValidNumber('07624369230', { defaultCountry: 'GB' }).should.equal(true)
+	})
+
+	it('should refine phone number validation in case extended regular expressions are set for a country', () => {
+		// Germany general validation must pass
+		isValidNumber('961111111', { defaultCountry: 'UZ' }).should.equal(true)
+
+		const phoneNumberTypePatterns = metadata.countries.UZ[11]
+
+		// Different regular expressions for precise national number validation.
+		// `types` index in compressed array is `9` for v1.
+		// For v2 it's 10.
+		// For v3 it's 11.
+		metadata.countries.UZ[11] =
+		[
+			["(?:6(?:1(?:22|3[124]|4[1-4]|5[123578]|64)|2(?:22|3[0-57-9]|41)|5(?:22|3[3-7]|5[024-8])|6\\d{2}|7(?:[23]\\d|7[69])|9(?:22|4[1-8]|6[135]))|7(?:0(?:5[4-9]|6[0146]|7[12456]|9[135-8])|1[12]\\d|2(?:22|3[1345789]|4[123579]|5[14])|3(?:2\\d|3[1578]|4[1-35-7]|5[1-57]|61)|4(?:2\\d|3[1-579]|7[1-79])|5(?:22|5[1-9]|6[1457])|6(?:22|3[12457]|4[13-8])|9(?:22|5[1-9])))\\d{5}"],
+			["6(?:1(?:2(?:98|2[01])|35[0-4]|50\\d|61[23]|7(?:[01][017]|4\\d|55|9[5-9]))|2(?:11\\d|2(?:[12]1|9[01379])|5(?:[126]\\d|3[0-4])|7\\d{2})|5(?:19[01]|2(?:27|9[26])|30\\d|59\\d|7\\d{2})|6(?:2(?:1[5-9]|2[0367]|38|41|52|60)|3[79]\\d|4(?:56|83)|7(?:[07]\\d|1[017]|3[07]|4[047]|5[057]|67|8[0178]|9[79])|9[0-3]\\d)|7(?:2(?:24|3[237]|4[5-9]|7[15-8])|5(?:7[12]|8[0589])|7(?:0\\d|[39][07])|9(?:0\\d|7[079]))|9(?:2(?:1[1267]|5\\d|3[01]|7[0-4])|5[67]\\d|6(?:2[0-26]|8\\d)|7\\d{2}))\\d{4}|7(?:0\\d{3}|1(?:13[01]|6(?:0[47]|1[67]|66)|71[3-69]|98\\d)|2(?:2(?:2[79]|95)|3(?:2[5-9]|6[0-6])|57\\d|7(?:0\\d|1[17]|2[27]|3[37]|44|5[057]|66|88))|3(?:2(?:1[0-6]|21|3[469]|7[159])|33\\d|5(?:0[0-4]|5[579]|9\\d)|7(?:[0-3579]\\d|4[0467]|6[67]|8[078])|9[4-6]\\d)|4(?:2(?:29|5[0257]|6[0-7]|7[1-57])|5(?:1[0-4]|8\\d|9[5-9])|7(?:0\\d|1[024589]|2[0127]|3[0137]|[46][07]|5[01]|7[5-9]|9[079])|9(?:7[015-9]|[89]\\d))|5(?:112|2(?:0\\d|2[29]|[49]4)|3[1568]\\d|52[6-9]|7(?:0[01578]|1[017]|[23]7|4[047]|[5-7]\\d|8[78]|9[079]))|6(?:2(?:2[1245]|4[2-4])|39\\d|41[179]|5(?:[349]\\d|5[0-2])|7(?:0[017]|[13]\\d|22|44|55|67|88))|9(?:22[128]|3(?:2[0-4]|7\\d)|57[05629]|7(?:2[05-9]|3[37]|4\\d|60|7[2579]|87|9[07])))\\d{4}|9[0-57-9]\\d{7}"]
+		]
+
+		// Extended validation must not pass for an invalid phone number
+		isValidNumber('961111111', { defaultCountry: 'UZ' }).should.equal(false)
+
+		// Extended validation must pass for a valid phone number
+		isValidNumber('912345678', { defaultCountry: 'UZ' }).should.equal(true)
+
+		metadata.countries.UZ[11] = phoneNumberTypePatterns
+	})
+
+	it('should work in edge cases', () => {
+		// No metadata
+		let thrower = () => _isValidNumber('+78005553535')
+		thrower.should.throw('`metadata` argument not passed')
+
+		// // Non-phone-number characters in a phone number
+		// isValidNumber('+499821958a').should.equal(false)
+		// isValidNumber('88005553535x', { defaultCountry: 'RU' }).should.equal(false)
+
+		// Doesn't have `types` regexps in default metadata.
+		isValidNumber({ country: 'UA', phone: '300000000' }).should.equal(true)
+		isValidNumber({ country: 'UA', phone: '200000000' }).should.equal(false)
+
+		// // Numerical `value`
+		// thrower = () => isValidNumber(88005553535, { defaultCountry: 'RU' })
+		// thrower.should.throw('A phone number must either be a string or an object of shape { phone, [country] }.')
+
+		// Long country phone code
+		isValidNumber('+3725555555').should.equal(true)
+
+		// // Invalid country
+		// thrower = () => isValidNumber({ phone: '8005553535', country: 'RUS' })
+		// thrower.should.throw('Unknown country')
+	})
+
+	it('should accept phone number extensions', () => {
+		// International
+		isValidNumber('+12133734253 ext. 123').should.equal(true)
+		// National
+		isValidNumber('88005553535 x123', { defaultCountry: 'RU' }).should.equal(true)
+	})
+
+	it('should validate non-geographic toll-free phone numbers', () => {
+		isValidNumber('+80074454123').should.equal(true)
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/isValidPhoneNumber.js

@@ -0,0 +1,12 @@
+import normalizeArguments from './normalizeArguments.js'
+import parsePhoneNumber from './parsePhoneNumber_.js'
+
+export default function isValidPhoneNumber() {
+	let { text, options, metadata } = normalizeArguments(arguments)
+	options = {
+		...options,
+		extract: false
+	}
+	const phoneNumber = parsePhoneNumber(text, options, metadata)
+	return phoneNumber && phoneNumber.isValid() || false
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/isValidPhoneNumber.test.js

@@ -0,0 +1,20 @@
+import _isValidPhoneNumber from './isValidPhoneNumber.js'
+import metadata from '../metadata.min.json' assert { type: 'json' }
+
+function isValidPhoneNumber(...parameters) {
+	parameters.push(metadata)
+	return _isValidPhoneNumber.apply(this, parameters)
+}
+
+describe('isValidPhoneNumber', () => {
+	it('should detect whether a phone number is valid', () => {
+		isValidPhoneNumber('8 (800) 555 35 35', 'RU').should.equal(true)
+		isValidPhoneNumber('8 (800) 555 35 35 0', 'RU').should.equal(false)
+		isValidPhoneNumber('Call: 8 (800) 555 35 35', 'RU').should.equal(false)
+		isValidPhoneNumber('8 (800) 555 35 35', { defaultCountry: 'RU' }).should.equal(true)
+		isValidPhoneNumber('+7 (800) 555 35 35').should.equal(true)
+		isValidPhoneNumber('+7 1 (800) 555 35 35').should.equal(false)
+		isValidPhoneNumber(' +7 (800) 555 35 35').should.equal(false)
+		isValidPhoneNumber(' ').should.equal(false)
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/findNumbers.js

@@ -0,0 +1,12 @@
+import PhoneNumberMatcher from '../PhoneNumberMatcher.js'
+import normalizeArguments from '../normalizeArguments.js'
+
+export default function findNumbers() {
+	const { text, options, metadata } = normalizeArguments(arguments)
+	const matcher = new PhoneNumberMatcher(text, options, metadata)
+	const results = []
+	while (matcher.hasNext()) {
+		results.push(matcher.next())
+	}
+	return results
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/findNumbers.test.js

@@ -0,0 +1,204 @@
+import findNumbers from './findNumbers.js'
+import metadata from '../../metadata.max.json' assert { type: 'json' }
+
+describe('findNumbers', () => {
+	it('should find numbers', () => {
+		findNumbers('2133734253', 'US', metadata).should.deep.equal([{
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 0,
+			endsAt   : 10
+		}])
+
+		findNumbers('(213) 373-4253', 'US', metadata).should.deep.equal([{
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 0,
+			endsAt   : 14
+		}])
+
+		findNumbers('The number is +7 (800) 555-35-35 and not (213) 373-4253 as written in the document.', 'US', metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}, {
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 41,
+			endsAt   : 55
+		}])
+
+		// Opening parenthesis issue.
+		// https://github.com/catamphetamine/libphonenumber-js/issues/252
+		findNumbers('The number is +7 (800) 555-35-35 and not (213) 373-4253 (that\'s not even in the same country!) as written in the document.', 'US', metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}, {
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 41,
+			endsAt   : 55
+		}])
+
+		// No default country.
+		findNumbers('The number is +7 (800) 555-35-35 as written in the document.', metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}])
+
+		// Passing `options` and default country.
+		findNumbers('The number is +7 (800) 555-35-35 as written in the document.', 'US', { leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}])
+
+		// Passing `options`.
+		findNumbers('The number is +7 (800) 555-35-35 as written in the document.', { leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}])
+
+		// Not a phone number and a phone number.
+		findNumbers('Digits 12 are not a number, but +7 (800) 555-35-35 is.', { leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 32,
+			endsAt   : 50
+		}])
+
+		// Phone number extension.
+		findNumbers('Date 02/17/2018 is not a number, but +7 (800) 555-35-35 ext. 123 is.', { leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			ext      : '123',
+			startsAt : 37,
+			endsAt   : 64
+		}])
+	})
+
+	it('should find numbers (v2)', () => {
+		const phoneNumbers = findNumbers('The number is +7 (800) 555-35-35 ext. 1234 and not (213) 373-4253 as written in the document.', 'US', { v2: true }, metadata)
+
+		phoneNumbers.length.should.equal(2)
+
+		phoneNumbers[0].startsAt.should.equal(14)
+		phoneNumbers[0].endsAt.should.equal(42)
+
+		phoneNumbers[0].number.number.should.equal('+78005553535')
+		phoneNumbers[0].number.nationalNumber.should.equal('8005553535')
+		phoneNumbers[0].number.country.should.equal('RU')
+		phoneNumbers[0].number.countryCallingCode.should.equal('7')
+		phoneNumbers[0].number.ext.should.equal('1234')
+
+		phoneNumbers[1].startsAt.should.equal(51)
+		phoneNumbers[1].endsAt.should.equal(65)
+
+		phoneNumbers[1].number.number.should.equal('+12133734253')
+		phoneNumbers[1].number.nationalNumber.should.equal('2133734253')
+		phoneNumbers[1].number.country.should.equal('US')
+		phoneNumbers[1].number.countryCallingCode.should.equal('1')
+	})
+
+	it('shouldn\'t find non-valid numbers', () => {
+		// Not a valid phone number for US.
+		findNumbers('1111111111', 'US', metadata).should.deep.equal([])
+	})
+
+	it('should find non-European digits', () => {
+		// E.g. in Iraq they don't write `+442323234` but rather `+٤٤٢٣٢٣٢٣٤`.
+		findNumbers('العَرَبِيَّة‎ +٤٤٣٣٣٣٣٣٣٣٣٣عَرَبِيّ‎', metadata).should.deep.equal([{
+			country  : 'GB',
+			phone    : '3333333333',
+			startsAt : 14,
+			endsAt   : 27
+		}])
+	})
+
+	it('should work in edge cases', () => {
+		let thrower
+
+		// No input
+		findNumbers('', metadata).should.deep.equal([])
+
+		// // No country metadata for this `require` country code
+		// thrower = () => findNumbers('123', 'ZZ', metadata)
+		// thrower.should.throw('Unknown country')
+
+		// Numerical `value`
+		thrower = () => findNumbers(2141111111, 'US')
+		thrower.should.throw('A text for parsing must be a string.')
+
+		// // No metadata
+		// thrower = () => findNumbers('')
+		// thrower.should.throw('`metadata` argument not passed')
+
+		// No metadata, no default country, no phone numbers.
+		findNumbers('').should.deep.equal([])
+	})
+
+	it('should find international numbers when passed a non-existent default country', () => {
+		const numbers = findNumbers('Phone: +7 (800) 555 35 35. National: 8 (800) 555-55-55', { defaultCountry: 'XX', v2: true }, metadata)
+		numbers.length.should.equal(1)
+		numbers[0].number.nationalNumber.should.equal('8005553535')
+	})
+
+	it('shouldn\'t find phone numbers which are not phone numbers', () => {
+		// A timestamp.
+		findNumbers('2012-01-02 08:00', 'US', metadata).should.deep.equal([])
+
+		// A valid number (not a complete timestamp).
+		findNumbers('2012-01-02 08', 'US', metadata).should.deep.equal([{
+			country  : 'US',
+			phone    : '2012010208',
+			startsAt : 0,
+			endsAt   : 13
+		}])
+
+		// Invalid parens.
+		findNumbers('213(3734253', 'US', metadata).should.deep.equal([])
+
+		// Letters after phone number.
+		findNumbers('2133734253a', 'US', metadata).should.deep.equal([])
+
+		// Valid phone (same as the one found in the UUID below).
+		findNumbers('The phone number is 231354125.', 'FR', metadata).should.deep.equal([{
+			country  : 'FR',
+			phone    : '231354125',
+			startsAt : 20,
+			endsAt   : 29
+		}])
+
+		// Not a phone number (part of a UUID).
+		// Should parse in `{ extended: true }` mode.
+		const possibleNumbers = findNumbers('The UUID is CA801c26f98cd16e231354125ad046e40b.', 'FR', { extended: true }, metadata)
+		possibleNumbers.length.should.equal(1)
+		possibleNumbers[0].country.should.equal('FR')
+		possibleNumbers[0].phone.should.equal('231354125')
+
+		// Not a phone number (part of a UUID).
+		// Shouldn't parse by default.
+		findNumbers('The UUID is CA801c26f98cd16e231354125ad046e40b.', 'FR', metadata).should.deep.equal([])
+	})
+
+	// https://gitlab.com/catamphetamine/libphonenumber-js/-/merge_requests/4
+	it('should return correct `startsAt` and `endsAt` when matching "inner" candidates in a could-be-a-candidate substring', () => {
+		findNumbers('39945926 77200596 16533084', 'ID', metadata)
+			.should
+			.deep
+			.equal([{
+				country: 'ID',
+				phone: '77200596',
+				startsAt: 9,
+				endsAt: 17
+			}])
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/findPhoneNumbers.js

@@ -0,0 +1,20 @@
+// This is a legacy function.
+// Use `findNumbers()` instead.
+
+import _findPhoneNumbers, { searchPhoneNumbers as _searchPhoneNumbers } from './findPhoneNumbersInitialImplementation.js'
+import normalizeArguments from '../normalizeArguments.js'
+
+export default function findPhoneNumbers()
+{
+	const { text, options, metadata } = normalizeArguments(arguments)
+	return _findPhoneNumbers(text, options, metadata)
+}
+
+/**
+ * @return ES6 `for ... of` iterator.
+ */
+export function searchPhoneNumbers()
+{
+	const { text, options, metadata } = normalizeArguments(arguments)
+	return _searchPhoneNumbers(text, options, metadata)
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/findPhoneNumbers.test.js

@@ -0,0 +1,233 @@
+// This is a legacy function.
+// Use `findNumbers()` instead.
+
+import findNumbers, { searchPhoneNumbers } from './findPhoneNumbers.js'
+import { PhoneNumberSearch } from './findPhoneNumbersInitialImplementation.js'
+import metadata from '../../metadata.min.json' assert { type: 'json' }
+
+describe('findPhoneNumbers', () => {
+	it('should find numbers', () => {
+		findNumbers('2133734253', 'US', metadata).should.deep.equal([{
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 0,
+			endsAt   : 10
+		}])
+
+		findNumbers('(213) 373-4253', 'US', metadata).should.deep.equal([{
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 0,
+			endsAt   : 14
+		}])
+
+		findNumbers('The number is +7 (800) 555-35-35 and not (213) 373-4253 as written in the document.', 'US', metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}, {
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 41,
+			endsAt   : 55
+		}])
+
+		// Opening parenthesis issue.
+		// https://github.com/catamphetamine/libphonenumber-js/issues/252
+		findNumbers('The number is +7 (800) 555-35-35 and not (213) 373-4253 (that\'s not even in the same country!) as written in the document.', 'US', metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}, {
+			phone    : '2133734253',
+			country  : 'US',
+			startsAt : 41,
+			endsAt   : 55
+		}])
+
+		// No default country.
+		findNumbers('The number is +7 (800) 555-35-35 as written in the document.', metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}])
+
+		// Passing `options` and default country.
+		findNumbers('The number is +7 (800) 555-35-35 as written in the document.', 'US', { leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}])
+
+		// Passing `options`.
+		findNumbers('The number is +7 (800) 555-35-35 as written in the document.', { leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 14,
+			endsAt   : 32
+		}])
+
+		// Not a phone number and a phone number.
+		findNumbers('Digits 12 are not a number, but +7 (800) 555-35-35 is.', { leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			startsAt : 32,
+			endsAt   : 50
+		}])
+
+		// Phone number extension.
+		findNumbers('Date 02/17/2018 is not a number, but +7 (800) 555-35-35 ext. 123 is.', { leniency: 'VALID' }, metadata).should.deep.equal([{
+			phone    : '8005553535',
+			country  : 'RU',
+			ext      : '123',
+			startsAt : 37,
+			endsAt   : 64
+		}])
+	})
+
+	it('shouldn\'t find non-valid numbers', () => {
+		// Not a valid phone number for US.
+		findNumbers('1111111111', 'US', metadata).should.deep.equal([])
+	})
+
+	it('should find non-European digits', () => {
+		// E.g. in Iraq they don't write `+442323234` but rather `+٤٤٢٣٢٣٢٣٤`.
+		findNumbers('العَرَبِيَّة‎ +٤٤٣٣٣٣٣٣٣٣٣٣عَرَبِيّ‎', metadata).should.deep.equal([{
+			country  : 'GB',
+			phone    : '3333333333',
+			startsAt : 14,
+			endsAt   : 27
+		}])
+	})
+
+	it('should iterate', () => {
+		const expected_numbers = [{
+			country : 'RU',
+			phone   : '8005553535',
+			// number   : '+7 (800) 555-35-35',
+			startsAt : 14,
+			endsAt   : 32
+		}, {
+			country : 'US',
+			phone   : '2133734253',
+			// number   : '(213) 373-4253',
+			startsAt : 41,
+			endsAt   : 55
+		}]
+
+		for (const number of searchPhoneNumbers('The number is +7 (800) 555-35-35 and not (213) 373-4253 as written in the document.', 'US', metadata)) {
+			number.should.deep.equal(expected_numbers.shift())
+		}
+
+		expected_numbers.length.should.equal(0)
+	})
+
+	it('should work in edge cases', () => {
+		let thrower
+
+		// No input
+		findNumbers('', metadata).should.deep.equal([])
+
+		// No country metadata for this `require` country code
+		thrower = () => findNumbers('123', 'ZZ', metadata)
+		thrower.should.throw('Unknown country')
+
+		// Numerical `value`
+		thrower = () => findNumbers(2141111111, 'US')
+		thrower.should.throw('A text for parsing must be a string.')
+
+		// // No metadata
+		// thrower = () => findNumbers('')
+		// thrower.should.throw('`metadata` argument not passed')
+	})
+
+	it('shouldn\'t find phone numbers which are not phone numbers', () => {
+		// A timestamp.
+		findNumbers('2012-01-02 08:00', 'US', metadata).should.deep.equal([])
+
+		// A valid number (not a complete timestamp).
+		findNumbers('2012-01-02 08', 'US', metadata).should.deep.equal([{
+			country  : 'US',
+			phone    : '2012010208',
+			startsAt : 0,
+			endsAt   : 13
+		}])
+
+		// Invalid parens.
+		findNumbers('213(3734253', 'US', metadata).should.deep.equal([])
+
+		// Letters after phone number.
+		findNumbers('2133734253a', 'US', metadata).should.deep.equal([])
+
+		// Valid phone (same as the one found in the UUID below).
+		findNumbers('The phone number is 231354125.', 'FR', metadata).should.deep.equal([{
+			country  : 'FR',
+			phone    : '231354125',
+			startsAt : 20,
+			endsAt   : 29
+		}])
+
+		// Not a phone number (part of a UUID).
+		// Should parse in `{ extended: true }` mode.
+		const possibleNumbers = findNumbers('The UUID is CA801c26f98cd16e231354125ad046e40b.', 'FR', { extended: true }, metadata)
+		possibleNumbers.length.should.equal(3)
+		possibleNumbers[1].country.should.equal('FR')
+		possibleNumbers[1].phone.should.equal('231354125')
+
+		// Not a phone number (part of a UUID).
+		// Shouldn't parse by default.
+		findNumbers('The UUID is CA801c26f98cd16e231354125ad046e40b.', 'FR', metadata).should.deep.equal([])
+	})
+})
+
+describe('PhoneNumberSearch', () => {
+	it('should search for phone numbers', () => {
+		const finder = new PhoneNumberSearch('The number is +7 (800) 555-35-35 and not (213) 373-4253 as written in the document.', { defaultCountry: 'US' }, metadata)
+
+		finder.hasNext().should.equal(true)
+		finder.next().should.deep.equal({
+			country : 'RU',
+			phone   : '8005553535',
+			// number   : '+7 (800) 555-35-35',
+			startsAt : 14,
+			endsAt   : 32
+		})
+
+		finder.hasNext().should.equal(true)
+		finder.next().should.deep.equal({
+			country : 'US',
+			phone   : '2133734253',
+			// number   : '(213) 373-4253',
+			startsAt : 41,
+			endsAt   : 55
+		})
+
+		finder.hasNext().should.equal(false)
+	})
+
+	it('should search for phone numbers (no options)', () => {
+		const finder = new PhoneNumberSearch('The number is +7 (800) 555-35-35', undefined, metadata)
+		finder.hasNext().should.equal(true)
+		finder.next().should.deep.equal({
+			country : 'RU',
+			phone   : '8005553535',
+			// number   : '+7 (800) 555-35-35',
+			startsAt : 14,
+			endsAt   : 32
+		})
+		finder.hasNext().should.equal(false)
+	})
+
+	it('should work in edge cases', () => {
+		// No options
+		const search = new PhoneNumberSearch('', undefined, metadata)
+
+		// No next element
+		let thrower = () => search.next()
+		thrower.should.throw('No next element')
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/findPhoneNumbersInitialImplementation.js

@@ -0,0 +1,191 @@
+// This is a legacy function.
+// Use `findNumbers()` instead.
+
+import {
+	PLUS_CHARS,
+	VALID_PUNCTUATION,
+	VALID_DIGITS,
+	WHITESPACE
+} from '../constants.js'
+
+import parse from '../parse.js'
+import { VALID_PHONE_NUMBER_WITH_EXTENSION } from '../helpers/isViablePhoneNumber.js'
+import createExtensionPattern from '../helpers/extension/createExtensionPattern.js'
+
+import parsePreCandidate from '../findNumbers/parsePreCandidate.js'
+import isValidPreCandidate from '../findNumbers/isValidPreCandidate.js'
+import isValidCandidate from '../findNumbers/isValidCandidate.js'
+
+/**
+ * Regexp of all possible ways to write extensions, for use when parsing. This
+ * will be run as a case-insensitive regexp match. Wide character versions are
+ * also provided after each ASCII version. There are three regular expressions
+ * here. The first covers RFC 3966 format, where the extension is added using
+ * ';ext='. The second more generic one starts with optional white space and
+ * ends with an optional full stop (.), followed by zero or more spaces/tabs
+ * /commas and then the numbers themselves. The other one covers the special
+ * case of American numbers where the extension is written with a hash at the
+ * end, such as '- 503#'. Note that the only capturing groups should be around
+ * the digits that you want to capture as part of the extension, or else parsing
+ * will fail! We allow two options for representing the accented o - the
+ * character itself, and one in the unicode decomposed form with the combining
+ * acute accent.
+ */
+export const EXTN_PATTERNS_FOR_PARSING = createExtensionPattern('parsing')
+
+const WHITESPACE_IN_THE_BEGINNING_PATTERN = new RegExp('^[' + WHITESPACE + ']+')
+const PUNCTUATION_IN_THE_END_PATTERN = new RegExp('[' + VALID_PUNCTUATION + ']+$')
+
+// // Regular expression for getting opening brackets for a valid number
+// // found using `PHONE_NUMBER_START_PATTERN` for prepending those brackets to the number.
+// const BEFORE_NUMBER_DIGITS_PUNCTUATION = new RegExp('[' + OPENING_BRACKETS + ']+' + '[' + WHITESPACE + ']*' + '$')
+
+const VALID_PRECEDING_CHARACTER_PATTERN = /[^a-zA-Z0-9]/
+
+export default function findPhoneNumbers(text, options, metadata) {
+	/* istanbul ignore if */
+	if (options === undefined) {
+		options = {}
+	}
+	const search = new PhoneNumberSearch(text, options, metadata)
+	const phones = []
+	while (search.hasNext()) {
+		phones.push(search.next())
+	}
+	return phones
+}
+
+/**
+ * @return ES6 `for ... of` iterator.
+ */
+export function searchPhoneNumbers(text, options, metadata) {
+	/* istanbul ignore if */
+	if (options === undefined) {
+		options = {}
+	}
+	const search = new PhoneNumberSearch(text, options, metadata)
+	return  {
+		[Symbol.iterator]() {
+			return {
+	    		next: () => {
+	    			if (search.hasNext()) {
+						return {
+							done: false,
+							value: search.next()
+						}
+					}
+					return {
+						done: true
+					}
+	    		}
+			}
+		}
+	}
+}
+
+/**
+ * Extracts a parseable phone number including any opening brackets, etc.
+ * @param  {string} text - Input.
+ * @return {object} `{ ?number, ?startsAt, ?endsAt }`.
+ */
+export class PhoneNumberSearch {
+	constructor(text, options, metadata) {
+		this.text = text
+		// If assigning the `{}` default value is moved to the arguments above,
+		// code coverage would decrease for some weird reason.
+		this.options = options || {}
+		this.metadata = metadata
+
+		// Iteration tristate.
+		this.state = 'NOT_READY'
+
+		this.regexp = new RegExp(VALID_PHONE_NUMBER_WITH_EXTENSION, 'ig')
+	}
+
+	find() {
+		const matches = this.regexp.exec(this.text)
+		if (!matches) {
+			return
+		}
+
+		let number = matches[0]
+		let startsAt = matches.index
+
+		number = number.replace(WHITESPACE_IN_THE_BEGINNING_PATTERN, '')
+		startsAt += matches[0].length - number.length
+		// Fixes not parsing numbers with whitespace in the end.
+		// Also fixes not parsing numbers with opening parentheses in the end.
+		// https://github.com/catamphetamine/libphonenumber-js/issues/252
+		number = number.replace(PUNCTUATION_IN_THE_END_PATTERN, '')
+
+		number = parsePreCandidate(number)
+
+		const result = this.parseCandidate(number, startsAt)
+		if (result) {
+			return result
+		}
+
+		// Tail recursion.
+		// Try the next one if this one is not a valid phone number.
+		return this.find()
+	}
+
+	parseCandidate(number, startsAt) {
+		if (!isValidPreCandidate(number, startsAt, this.text)) {
+			return
+		}
+
+		// Don't parse phone numbers which are non-phone numbers
+		// due to being part of something else (e.g. a UUID).
+		// https://github.com/catamphetamine/libphonenumber-js/issues/213
+		// Copy-pasted from Google's `PhoneNumberMatcher.js` (`.parseAndValidate()`).
+		if (!isValidCandidate(number, startsAt, this.text, this.options.extended ? 'POSSIBLE' : 'VALID')) {
+			return
+		}
+
+		// // Prepend any opening brackets left behind by the
+		// // `PHONE_NUMBER_START_PATTERN` regexp.
+		// const text_before_number = text.slice(this.searching_from, startsAt)
+		// const full_number_starts_at = text_before_number.search(BEFORE_NUMBER_DIGITS_PUNCTUATION)
+		// if (full_number_starts_at >= 0)
+		// {
+		// 	number   = text_before_number.slice(full_number_starts_at) + number
+		// 	startsAt = full_number_starts_at
+		// }
+		//
+		// this.searching_from = matches.lastIndex
+
+		const result = parse(number, this.options, this.metadata)
+		if (!result.phone) {
+			return
+		}
+
+		result.startsAt = startsAt
+		result.endsAt = startsAt + number.length
+		return result
+	}
+
+	hasNext() {
+		if (this.state === 'NOT_READY') {
+			this.last_match = this.find()
+			if (this.last_match) {
+				this.state = 'READY'
+			} else {
+				this.state = 'DONE'
+			}
+		}
+		return this.state === 'READY'
+	}
+
+	next() {
+		// Check the state and find the next match as a side-effect if necessary.
+		if (!this.hasNext()) {
+			throw new Error('No next element')
+		}
+		// Don't retain that memory any longer than necessary.
+		const result = this.last_match
+		this.last_match = null
+		this.state = 'NOT_READY'
+		return result
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/format.js

@@ -0,0 +1,106 @@
+import _formatNumber from '../format.js'
+import parse from '../parse.js'
+import isObject from '../helpers/isObject.js'
+
+export default function formatNumber() {
+	const {
+		input,
+		format,
+		options,
+		metadata
+	} = normalizeArguments(arguments)
+
+	return _formatNumber(input, format, options, metadata)
+}
+
+// Sort out arguments
+function normalizeArguments(args)
+{
+	const [arg_1, arg_2, arg_3, arg_4, arg_5] = Array.prototype.slice.call(args)
+
+	let input
+	let format
+	let options
+	let metadata
+
+	// Sort out arguments.
+
+	// If the phone number is passed as a string.
+	// `format('8005553535', ...)`.
+	if (typeof arg_1 === 'string')
+	{
+		// If country code is supplied.
+		// `format('8005553535', 'RU', 'NATIONAL', [options], metadata)`.
+		if (typeof arg_3 === 'string')
+		{
+			format = arg_3
+
+			if (arg_5)
+			{
+				options  = arg_4
+				metadata = arg_5
+			}
+			else
+			{
+				metadata = arg_4
+			}
+
+			input = parse(arg_1, { defaultCountry: arg_2, extended: true }, metadata)
+		}
+		// Just an international phone number is supplied
+		// `format('+78005553535', 'NATIONAL', [options], metadata)`.
+		else
+		{
+			if (typeof arg_2 !== 'string')
+			{
+				throw new Error('`format` argument not passed to `formatNumber(number, format)`')
+			}
+
+			format = arg_2
+
+			if (arg_4)
+			{
+				options  = arg_3
+				metadata = arg_4
+			}
+			else
+			{
+				metadata = arg_3
+			}
+
+			input = parse(arg_1, { extended: true }, metadata)
+		}
+	}
+	// If the phone number is passed as a parsed number object.
+	// `format({ phone: '8005553535', country: 'RU' }, 'NATIONAL', [options], metadata)`.
+	else if (isObject(arg_1))
+	{
+		input  = arg_1
+		format = arg_2
+
+		if (arg_4)
+		{
+			options  = arg_3
+			metadata = arg_4
+		}
+		else
+		{
+			metadata = arg_3
+		}
+	}
+	else throw new TypeError('A phone number must either be a string or an object of shape { phone, [country] }.')
+
+	// Legacy lowercase formats.
+	if (format === 'International') {
+		format = 'INTERNATIONAL'
+	} else if (format === 'National') {
+		format = 'NATIONAL'
+	}
+
+	return {
+		input,
+		format,
+		options,
+		metadata
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/format.test.js

@@ -0,0 +1,240 @@
+import metadata from '../../metadata.min.json' assert { type: 'json' }
+import _formatNumber from './format.js'
+
+function formatNumber(...parameters) {
+	parameters.push(metadata)
+	return _formatNumber.apply(this, parameters)
+}
+
+describe('format', () => {
+	it('should work with the first argument being a E.164 number', () => {
+		formatNumber('+12133734253', 'NATIONAL').should.equal('(213) 373-4253')
+		formatNumber('+12133734253', 'INTERNATIONAL').should.equal('+1 213 373 4253')
+
+		// Invalid number.
+		formatNumber('+12111111111', 'NATIONAL').should.equal('(211) 111-1111')
+
+		// Formatting invalid E.164 numbers.
+		formatNumber('+11111', 'INTERNATIONAL').should.equal('+1 1111')
+		formatNumber('+11111', 'NATIONAL').should.equal('1111')
+	})
+
+	it('should work with the first object argument expanded', () => {
+		formatNumber('2133734253', 'US', 'NATIONAL').should.equal('(213) 373-4253')
+		formatNumber('2133734253', 'US', 'INTERNATIONAL').should.equal('+1 213 373 4253')
+	})
+
+	it('should support legacy "National" / "International" formats', () => {
+		formatNumber('2133734253', 'US', 'National').should.equal('(213) 373-4253')
+		formatNumber('2133734253', 'US', 'International').should.equal('+1 213 373 4253')
+	})
+
+	it('should format using formats with no leading digits (`format.leadingDigitsPatterns().length === 0`)', () => {
+		formatNumber({ phone: '12345678901', countryCallingCode: 888 }, 'INTERNATIONAL').should.equal('+888 123 456 78901')
+	})
+
+	it('should sort out the arguments', () => {
+		const options = {
+			formatExtension: (number, extension) => `${number} доб. ${extension}`
+		}
+
+		formatNumber({
+			phone   : '8005553535',
+			country : 'RU',
+			ext     : '123'
+		},
+		'NATIONAL', options).should.equal('8 (800) 555-35-35 доб. 123')
+
+		// Parse number from string.
+		formatNumber('+78005553535', 'NATIONAL', options).should.equal('8 (800) 555-35-35')
+		formatNumber('8005553535', 'RU', 'NATIONAL', options).should.equal('8 (800) 555-35-35')
+	})
+
+	it('should format with national prefix when specifically instructed', () => {
+		// With national prefix.
+		formatNumber('88005553535', 'RU', 'NATIONAL').should.equal('8 (800) 555-35-35')
+		// Without national prefix via an explicitly set option.
+		formatNumber('88005553535', 'RU', 'NATIONAL', { nationalPrefix: false }).should.equal('800 555-35-35')
+	})
+
+	it('should format valid phone numbers', () => {
+		// Switzerland
+		formatNumber({ country: 'CH', phone: '446681800' }, 'INTERNATIONAL').should.equal('+41 44 668 18 00')
+		formatNumber({ country: 'CH', phone: '446681800' }, 'E.164').should.equal('+41446681800')
+		formatNumber({ country: 'CH', phone: '446681800' }, 'RFC3966').should.equal('tel:+41446681800')
+		formatNumber({ country: 'CH', phone: '446681800' }, 'NATIONAL').should.equal('044 668 18 00')
+
+		// France
+		formatNumber({ country: 'FR', phone: '169454850' }, 'NATIONAL').should.equal('01 69 45 48 50')
+
+		// Kazakhstan
+		formatNumber('+7 702 211 1111', 'NATIONAL').should.deep.equal('8 (702) 211 1111')
+	})
+
+	it('should format national numbers with national prefix even if it\'s optional', () => {
+		// Russia
+		formatNumber({ country: 'RU', phone: '9991234567' }, 'NATIONAL').should.equal('8 (999) 123-45-67')
+	})
+
+	it('should work in edge cases', () => {
+		let thrower
+
+		// No phone number
+		formatNumber('', 'RU', 'INTERNATIONAL').should.equal('')
+		formatNumber('', 'RU', 'NATIONAL').should.equal('')
+
+		formatNumber({ country: 'RU', phone: '' }, 'INTERNATIONAL').should.equal('+7')
+		formatNumber({ country: 'RU', phone: '' }, 'NATIONAL').should.equal('')
+
+		// No suitable format
+		formatNumber('+121337342530', 'US', 'NATIONAL').should.equal('21337342530')
+		// No suitable format (leading digits mismatch)
+		formatNumber('28199999', 'AD', 'NATIONAL').should.equal('28199999')
+
+		// Numerical `value`
+		thrower = () => formatNumber(89150000000, 'RU', 'NATIONAL')
+		thrower.should.throw('A phone number must either be a string or an object of shape { phone, [country] }.')
+
+		// No metadata for country
+		expect(() => formatNumber('+121337342530', 'USA', 'NATIONAL')).to.throw('Unknown country')
+		expect(() => formatNumber('21337342530', 'USA', 'NATIONAL')).to.throw('Unknown country')
+
+		// No format type
+		thrower = () => formatNumber('+123')
+		thrower.should.throw('`format` argument not passed')
+
+		// Unknown format type
+		thrower = () => formatNumber('123', 'US', 'Gay')
+		thrower.should.throw('Unknown "format" argument')
+
+		// No metadata
+		thrower = () => _formatNumber('123', 'US', 'E.164')
+		thrower.should.throw('`metadata`')
+
+		// No formats
+		formatNumber('012345', 'AC', 'NATIONAL').should.equal('012345')
+
+		// No `fromCountry` for `IDD` format.
+		expect(formatNumber('+78005553535', 'IDD')).to.be.undefined
+
+		// `fromCountry` has no default IDD prefix.
+		expect(formatNumber('+78005553535', 'IDD', { fromCountry: 'BO' })).to.be.undefined
+
+		// No such country.
+		expect(() => formatNumber({ phone: '123', country: 'USA' }, 'NATIONAL')).to.throw('Unknown country')
+	})
+
+	it('should format phone number extensions', () => {
+		// National
+		formatNumber({
+			country: 'US',
+			phone: '2133734253',
+			ext: '123'
+		},
+		'NATIONAL').should.equal('(213) 373-4253 ext. 123')
+
+		// International
+		formatNumber({
+			country : 'US',
+			phone   : '2133734253',
+			ext     : '123'
+		},
+		'INTERNATIONAL').should.equal('+1 213 373 4253 ext. 123')
+
+		// International
+		formatNumber({
+			country : 'US',
+			phone   : '2133734253',
+			ext     : '123'
+		},
+		'INTERNATIONAL').should.equal('+1 213 373 4253 ext. 123')
+
+		// E.164
+		formatNumber({
+			country : 'US',
+			phone   : '2133734253',
+			ext     : '123'
+		},
+		'E.164').should.equal('+12133734253')
+
+		// RFC3966
+		formatNumber({
+			country : 'US',
+			phone   : '2133734253',
+			ext     : '123'
+		},
+		'RFC3966').should.equal('tel:+12133734253;ext=123')
+
+		// Custom ext prefix.
+		formatNumber({
+			country : 'GB',
+			phone   : '7912345678',
+			ext     : '123'
+		},
+		'INTERNATIONAL').should.equal('+44 7912 345678 x123')
+	})
+
+	it('should work with Argentina numbers', () => {
+		// The same mobile number is written differently
+		// in different formats in Argentina:
+		// `9` gets prepended in international format.
+		formatNumber({ country: 'AR', phone: '3435551212' }, 'INTERNATIONAL')
+			.should.equal('+54 3435 55 1212')
+		formatNumber({ country: 'AR', phone: '3435551212' }, 'NATIONAL')
+			.should.equal('03435 55-1212')
+	})
+
+	it('should work with Mexico numbers', () => {
+		// Fixed line.
+		formatNumber({ country: 'MX', phone: '4499780001' }, 'INTERNATIONAL')
+			.should.equal('+52 449 978 0001')
+		formatNumber({ country: 'MX', phone: '4499780001' }, 'NATIONAL')
+			.should.equal('449 978 0001')
+			// or '(449)978-0001'.
+		// Mobile.
+		// `1` is prepended before area code to mobile numbers in international format.
+		formatNumber({ country: 'MX', phone: '3312345678' }, 'INTERNATIONAL')
+			.should.equal('+52 33 1234 5678')
+		formatNumber({ country: 'MX', phone: '3312345678' }, 'NATIONAL')
+			.should.equal('33 1234 5678')
+			// or '045 33 1234-5678'.
+	})
+
+	it('should format possible numbers', () => {
+		formatNumber({ countryCallingCode: '7', phone: '1111111111' }, 'E.164')
+			.should.equal('+71111111111')
+
+		formatNumber({ countryCallingCode: '7', phone: '1111111111' }, 'NATIONAL')
+			.should.equal('1111111111')
+
+		formatNumber({ countryCallingCode: '7', phone: '1111111111' }, 'INTERNATIONAL')
+			.should.equal('+7 1111111111')
+	})
+
+	it('should format IDD-prefixed number', () => {
+		// No `fromCountry`.
+		expect(formatNumber('+78005553535', 'IDD')).to.be.undefined
+
+		// No default IDD prefix.
+		expect(formatNumber('+78005553535', 'IDD', { fromCountry: 'BO' })).to.be.undefined
+
+		// Same country calling code.
+		formatNumber('+12133734253', 'IDD', { fromCountry: 'CA', humanReadable: true }).should.equal('1 (213) 373-4253')
+		formatNumber('+78005553535', 'IDD', { fromCountry: 'KZ', humanReadable: true }).should.equal('8 (800) 555-35-35')
+
+		// formatNumber('+78005553535', 'IDD', { fromCountry: 'US' }).should.equal('01178005553535')
+		formatNumber('+78005553535', 'IDD', { fromCountry: 'US', humanReadable: true }).should.equal('011 7 800 555 35 35')
+	})
+
+	it('should format non-geographic numbering plan phone numbers', () => {
+		// https://github.com/catamphetamine/libphonenumber-js/issues/323
+		formatNumber('+870773111632', 'INTERNATIONAL').should.equal('+870 773 111 632')
+		formatNumber('+870773111632', 'NATIONAL').should.equal('773 111 632')
+	})
+
+	it('should use the default IDD prefix when formatting a phone number', () => {
+		// Testing preferred international prefixes with ~ are supported.
+		// ("~" designates waiting on a line until proceeding with the input).
+		formatNumber('+390236618300', 'IDD', { fromCountry: 'BY' }).should.equal('8~10 39 02 3661 8300')
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/getNumberType.js

@@ -0,0 +1,111 @@
+import isViablePhoneNumber from '../helpers/isViablePhoneNumber.js'
+import _getNumberType from '../helpers/getNumberType.js'
+import isObject from '../helpers/isObject.js'
+import parse from '../parse.js'
+
+// Finds out national phone number type (fixed line, mobile, etc)
+export default function getNumberType() {
+	const { input, options, metadata } = normalizeArguments(arguments)
+	// `parseNumber()` would return `{}` when no phone number could be parsed from the input.
+	if (!input.phone) {
+		return
+	}
+	return _getNumberType(input, options, metadata)
+}
+
+// Sort out arguments
+export function normalizeArguments(args)
+{
+	const [arg_1, arg_2, arg_3, arg_4] = Array.prototype.slice.call(args)
+
+	let input
+	let options = {}
+	let metadata
+
+	// If the phone number is passed as a string.
+	// `getNumberType('88005553535', ...)`.
+	if (typeof arg_1 === 'string')
+	{
+		// If "default country" argument is being passed
+		// then convert it to an `options` object.
+		// `getNumberType('88005553535', 'RU', metadata)`.
+		if (!isObject(arg_2))
+		{
+			if (arg_4)
+			{
+				options = arg_3
+				metadata = arg_4
+			}
+			else
+			{
+				metadata = arg_3
+			}
+
+			// `parse` extracts phone numbers from raw text,
+			// therefore it will cut off all "garbage" characters,
+			// while this `validate` function needs to verify
+			// that the phone number contains no "garbage"
+			// therefore the explicit `isViablePhoneNumber` check.
+			if (isViablePhoneNumber(arg_1))
+			{
+				input = parse(arg_1, { defaultCountry: arg_2 }, metadata)
+			}
+			else
+			{
+				input = {}
+			}
+		}
+		// No "resrict country" argument is being passed.
+		// International phone number is passed.
+		// `getNumberType('+78005553535', metadata)`.
+		else
+		{
+			if (arg_3)
+			{
+				options = arg_2
+				metadata = arg_3
+			}
+			else
+			{
+				metadata = arg_2
+			}
+
+			// `parse` extracts phone numbers from raw text,
+			// therefore it will cut off all "garbage" characters,
+			// while this `validate` function needs to verify
+			// that the phone number contains no "garbage"
+			// therefore the explicit `isViablePhoneNumber` check.
+			if (isViablePhoneNumber(arg_1))
+			{
+				input = parse(arg_1, undefined, metadata)
+			}
+			else
+			{
+				input = {}
+			}
+		}
+	}
+	// If the phone number is passed as a parsed phone number.
+	// `getNumberType({ phone: '88005553535', country: 'RU' }, ...)`.
+	else if (isObject(arg_1))
+	{
+		input = arg_1
+
+		if (arg_3)
+		{
+			options = arg_2
+			metadata = arg_3
+		}
+		else
+		{
+			metadata = arg_2
+		}
+	}
+	else throw new TypeError('A phone number must either be a string or an object of shape { phone, [country] }.')
+
+	return {
+		input,
+		options,
+		metadata
+	}
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/getNumberType.test.js

@@ -0,0 +1,65 @@
+import metadata from '../../metadata.max.json' assert { type: 'json' }
+import Metadata from '../metadata.js'
+import _getNumberType from './getNumberType.js'
+
+function getNumberType(...parameters) {
+	parameters.push(metadata)
+	return _getNumberType.apply(this, parameters)
+}
+
+describe('getNumberType', () => {
+	it('should infer phone number type MOBILE', () => {
+		getNumberType('9150000000', 'RU').should.equal('MOBILE')
+		getNumberType('7912345678', 'GB').should.equal('MOBILE')
+		getNumberType('51234567', 'EE').should.equal('MOBILE')
+	})
+
+	it('should infer phone number types', () =>  {
+		getNumberType('88005553535', 'RU').should.equal('TOLL_FREE')
+		getNumberType('8005553535', 'RU').should.equal('TOLL_FREE')
+		getNumberType('4957777777', 'RU').should.equal('FIXED_LINE')
+		getNumberType('8030000000', 'RU').should.equal('PREMIUM_RATE')
+
+		getNumberType('2133734253', 'US').should.equal('FIXED_LINE_OR_MOBILE')
+		getNumberType('5002345678', 'US').should.equal('PERSONAL_NUMBER')
+	})
+
+	it('should work when no country is passed', () => {
+		getNumberType('+79150000000').should.equal('MOBILE')
+	})
+
+	it('should return FIXED_LINE_OR_MOBILE when there is ambiguity', () => {
+		// (no such country in the metadata, therefore no unit test for this `if`)
+	})
+
+	it('should work in edge cases', function() {
+		let thrower
+
+		// // No metadata
+		// thrower = () => _getNumberType({ phone: '+78005553535' })
+		// thrower.should.throw('`metadata` argument not passed')
+
+		// Parsed phone number
+		getNumberType({ phone: '8005553535', country: 'RU' }).should.equal('TOLL_FREE')
+
+		// Invalid phone number
+		type(getNumberType('123', 'RU')).should.equal('undefined')
+
+		// Invalid country
+		thrower = () => getNumberType({ phone: '8005553535', country: 'RUS' })
+		thrower.should.throw('Unknown country')
+
+		// Numerical `value`
+		thrower = () => getNumberType(89150000000, 'RU')
+		thrower.should.throw('A phone number must either be a string or an object of shape { phone, [country] }.')
+
+		// When `options` argument is passed.
+		getNumberType('8005553535', 'RU', {}).should.equal('TOLL_FREE')
+		getNumberType('+78005553535', {}).should.equal('TOLL_FREE')
+		getNumberType({ phone: '8005553535', country: 'RU' }, {}).should.equal('TOLL_FREE')
+	})
+})
+
+function type(something) {
+	return typeof something
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/isPossibleNumber.js

@@ -0,0 +1,25 @@
+import { normalizeArguments } from './getNumberType.js'
+import _isPossibleNumber from '../isPossible.js'
+
+/**
+ * Checks if a given phone number is possible.
+ * Which means it only checks phone number length
+ * and doesn't test any regular expressions.
+ *
+ * Examples:
+ *
+ * ```js
+ * isPossibleNumber('+78005553535', metadata)
+ * isPossibleNumber('8005553535', 'RU', metadata)
+ * isPossibleNumber('88005553535', 'RU', metadata)
+ * isPossibleNumber({ phone: '8005553535', country: 'RU' }, metadata)
+ * ```
+ */
+export default function isPossibleNumber() {
+	const { input, options, metadata } = normalizeArguments(arguments)
+	// `parseNumber()` would return `{}` when no phone number could be parsed from the input.
+	if (!input.phone && !(options && options.v2)) {
+		return false
+	}
+	return _isPossibleNumber(input, options, metadata)
+}

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/isPossibleNumber.test.js

@@ -0,0 +1,40 @@
+import metadata from '../../metadata.min.json' assert { type: 'json' }
+import _isPossibleNumber from './isPossibleNumber.js'
+
+function isPossibleNumber(...parameters) {
+	parameters.push(metadata)
+	return _isPossibleNumber.apply(this, parameters)
+}
+
+describe('isPossibleNumber', () => {
+	it('should work', function()
+	{
+		isPossibleNumber('+79992223344').should.equal(true)
+
+		isPossibleNumber({ phone: '1112223344', country: 'RU' }).should.equal(true)
+		isPossibleNumber({ phone: '111222334', country: 'RU' }).should.equal(false)
+		isPossibleNumber({ phone: '11122233445', country: 'RU' }).should.equal(false)
+
+		isPossibleNumber({ phone: '1112223344', countryCallingCode: 7 }).should.equal(true)
+	})
+
+	it('should work v2', () => {
+		isPossibleNumber({ nationalNumber: '111222334', countryCallingCode: 7 }, { v2: true }).should.equal(false)
+		isPossibleNumber({ nationalNumber: '1112223344', countryCallingCode: 7 }, { v2: true }).should.equal(true)
+		isPossibleNumber({ nationalNumber: '11122233445', countryCallingCode: 7 }, { v2: true }).should.equal(false)
+	})
+
+	it('should work in edge cases', () => {
+		// Invalid `PhoneNumber` argument.
+		expect(() => isPossibleNumber({}, { v2: true })).to.throw('Invalid phone number object passed')
+
+		// Empty input is passed.
+		// This is just to support `isValidNumber({})`
+		// for cases when `parseNumber()` returns `{}`.
+		isPossibleNumber({}).should.equal(false)
+		expect(() => isPossibleNumber({ phone: '1112223344' })).to.throw('Invalid phone number object passed')
+
+		// Incorrect country.
+		expect(() => isPossibleNumber({ phone: '1112223344', country: 'XX' })).to.throw('Unknown country')
+	})
+})

SerpentRace_Backend/node_modules/libphonenumber-js/source/legacy/isValidNumber.js

@@ -0,0 +1,12 @@
+import _isValidNumber from '../isValid.js'
+import { normalizeArguments } from './getNumberType.js'
+
+// Finds out national phone number type (fixed line, mobile, etc)
+export default function isValidNumber() {
+	const { input, options, metadata } = normalizeArguments(arguments)
+	// `parseNumber()` would return `{}` when no phone number could be parsed from the input.
+	if (!input.phone) {
+		return false
+	}
+	return _isValidNumber(input, options, metadata)
+}