Backend half

SerpentRace_Backend/node_modules/aws-sdk/vendor/endpoint-cache/index.js

@@ -0,0 +1,72 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var LRU_1 = require("./utils/LRU");
+var CACHE_SIZE = 1000;
+/**
+ * Inspired node-lru-cache[https://github.com/isaacs/node-lru-cache]
+ */
+var EndpointCache = /** @class */ (function () {
+    function EndpointCache(maxSize) {
+        if (maxSize === void 0) { maxSize = CACHE_SIZE; }
+        this.maxSize = maxSize;
+        this.cache = new LRU_1.LRUCache(maxSize);
+    }
+    ;
+    Object.defineProperty(EndpointCache.prototype, "size", {
+        get: function () {
+            return this.cache.length;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    EndpointCache.prototype.put = function (key, value) {
+      var keyString = typeof key !== 'string' ? EndpointCache.getKeyString(key) : key;
+        var endpointRecord = this.populateValue(value);
+        this.cache.put(keyString, endpointRecord);
+    };
+    EndpointCache.prototype.get = function (key) {
+      var keyString = typeof key !== 'string' ? EndpointCache.getKeyString(key) : key;
+        var now = Date.now();
+        var records = this.cache.get(keyString);
+        if (records) {
+            for (var i = records.length-1; i >= 0; i--) {
+                var record = records[i];
+                if (record.Expire < now) {
+                    records.splice(i, 1);
+                }
+            }
+            if (records.length === 0) {
+                this.cache.remove(keyString);
+                return undefined;
+            }
+        }
+        return records;
+    };
+    EndpointCache.getKeyString = function (key) {
+        var identifiers = [];
+        var identifierNames = Object.keys(key).sort();
+        for (var i = 0; i < identifierNames.length; i++) {
+            var identifierName = identifierNames[i];
+            if (key[identifierName] === undefined)
+                continue;
+            identifiers.push(key[identifierName]);
+        }
+        return identifiers.join(' ');
+    };
+    EndpointCache.prototype.populateValue = function (endpoints) {
+        var now = Date.now();
+        return endpoints.map(function (endpoint) { return ({
+            Address: endpoint.Address || '',
+            Expire: now + (endpoint.CachePeriodInMinutes || 1) * 60 * 1000
+        }); });
+    };
+    EndpointCache.prototype.empty = function () {
+        this.cache.empty();
+    };
+    EndpointCache.prototype.remove = function (key) {
+      var keyString = typeof key !== 'string' ? EndpointCache.getKeyString(key) : key;
+        this.cache.remove(keyString);
+    };
+    return EndpointCache;
+}());
+exports.EndpointCache = EndpointCache;