update

node_modules/rxjs/_esm5/util/MapPolyfill.js

@@ -0,0 +1,45 @@
+export var MapPolyfill = /*@__PURE__*/ (/*@__PURE__*/ function () {
+    function MapPolyfill() {
+        this.size = 0;
+        this._values = [];
+        this._keys = [];
+    }
+    MapPolyfill.prototype.get = function (key) {
+        var i = this._keys.indexOf(key);
+        return i === -1 ? undefined : this._values[i];
+    };
+    MapPolyfill.prototype.set = function (key, value) {
+        var i = this._keys.indexOf(key);
+        if (i === -1) {
+            this._keys.push(key);
+            this._values.push(value);
+            this.size++;
+        }
+        else {
+            this._values[i] = value;
+        }
+        return this;
+    };
+    MapPolyfill.prototype.delete = function (key) {
+        var i = this._keys.indexOf(key);
+        if (i === -1) {
+            return false;
+        }
+        this._values.splice(i, 1);
+        this._keys.splice(i, 1);
+        this.size--;
+        return true;
+    };
+    MapPolyfill.prototype.clear = function () {
+        this._keys.length = 0;
+        this._values.length = 0;
+        this.size = 0;
+    };
+    MapPolyfill.prototype.forEach = function (cb, thisArg) {
+        for (var i = 0; i < this.size; i++) {
+            cb.call(thisArg, this._values[i], this._keys[i]);
+        }
+    };
+    return MapPolyfill;
+}());
+//# sourceMappingURL=MapPolyfill.js.map