backend v4 half

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

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+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 : ''}`
+}