1 files changed, 104 insertions, 0 deletions
diff --git a/node_modules/es6-map/polyfill.js b/node_modules/es6-map/polyfill.js
new file mode 100644
index 000000000..c638e760c
--- /dev/null
+++ b/node_modules/es6-map/polyfill.js
@@ -0,0 +1,104 @@
+'use strict';
+
+var clear          = require('es5-ext/array/#/clear')
+  , eIndexOf       = require('es5-ext/array/#/e-index-of')
+  , setPrototypeOf = require('es5-ext/object/set-prototype-of')
+  , callable       = require('es5-ext/object/valid-callable')
+  , validValue     = require('es5-ext/object/valid-value')
+  , d              = require('d')
+  , ee             = require('event-emitter')
+  , Symbol         = require('es6-symbol')
+  , iterator       = require('es6-iterator/valid-iterable')
+  , forOf          = require('es6-iterator/for-of')
+  , Iterator       = require('./lib/iterator')
+  , isNative       = require('./is-native-implemented')
+
+  , call = Function.prototype.call
+  , defineProperties = Object.defineProperties, getPrototypeOf = Object.getPrototypeOf
+  , MapPoly;
+
+module.exports = MapPoly = function (/*iterable*/) {
+	var iterable = arguments[0], keys, values, self;
+	if (!(this instanceof MapPoly)) throw new TypeError('Constructor requires \'new\'');
+	if (isNative && setPrototypeOf && (Map !== MapPoly)) {
+		self = setPrototypeOf(new Map(), getPrototypeOf(this));
+	} else {
+		self = this;
+	}
+	if (iterable != null) iterator(iterable);
+	defineProperties(self, {
+		__mapKeysData__: d('c', keys = []),
+		__mapValuesData__: d('c', values = [])
+	});
+	if (!iterable) return self;
+	forOf(iterable, function (value) {
+		var key = validValue(value)[0];
+		value = value[1];
+		if (eIndexOf.call(keys, key) !== -1) return;
+		keys.push(key);
+		values.push(value);
+	}, self);
+	return self;
+};
+
+if (isNative) {
+	if (setPrototypeOf) setPrototypeOf(MapPoly, Map);
+	MapPoly.prototype = Object.create(Map.prototype, {
+		constructor: d(MapPoly)
+	});
+}
+
+ee(defineProperties(MapPoly.prototype, {
+	clear: d(function () {
+		if (!this.__mapKeysData__.length) return;
+		clear.call(this.__mapKeysData__);
+		clear.call(this.__mapValuesData__);
+		this.emit('_clear');
+	}),
+	delete: d(function (key) {
+		var index = eIndexOf.call(this.__mapKeysData__, key);
+		if (index === -1) return false;
+		this.__mapKeysData__.splice(index, 1);
+		this.__mapValuesData__.splice(index, 1);
+		this.emit('_delete', index, key);
+		return true;
+	}),
+	entries: d(function () { return new Iterator(this, 'key+value'); }),
+	forEach: d(function (cb/*, thisArg*/) {
+		var thisArg = arguments[1], iterator, result;
+		callable(cb);
+		iterator = this.entries();
+		result = iterator._next();
+		while (result !== undefined) {
+			call.call(cb, thisArg, this.__mapValuesData__[result],
+				this.__mapKeysData__[result], this);
+			result = iterator._next();
+		}
+	}),
+	get: d(function (key) {
+		var index = eIndexOf.call(this.__mapKeysData__, key);
+		if (index === -1) return;
+		return this.__mapValuesData__[index];
+	}),
+	has: d(function (key) {
+		return (eIndexOf.call(this.__mapKeysData__, key) !== -1);
+	}),
+	keys: d(function () { return new Iterator(this, 'key'); }),
+	set: d(function (key, value) {
+		var index = eIndexOf.call(this.__mapKeysData__, key), emit;
+		if (index === -1) {
+			index = this.__mapKeysData__.push(key) - 1;
+			emit = true;
+		}
+		this.__mapValuesData__[index] = value;
+		if (emit) this.emit('_add', index, key);
+		return this;
+	}),
+	size: d.gs(function () { return this.__mapKeysData__.length; }),
+	values: d(function () { return new Iterator(this, 'value'); }),
+	toString: d(function () { return '[object Map]'; })
+}));
+Object.defineProperty(MapPoly.prototype, Symbol.iterator, d(function () {
+	return this.entries();
+}));
+Object.defineProperty(MapPoly.prototype, Symbol.toStringTag, d('c', 'Map'));