Current Dev State

static/js/ketcher2/script/util/map.js

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+/****************************************************************************
+ * Copyright 2017 EPAM Systems
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ***************************************************************************/
+
+/* eslint-disable no-underscore-dangle*/
+
+function Map(obj) {
+	if (typeof (obj) !== 'undefined' && obj.constructor !== Object)
+		throw Error('Passed object is not an instance of "Object"!');
+	this._obj = obj || {};
+	this._count = 0;
+}
+
+Map.prototype.each = function (func, context) {
+	var v,
+		value,
+		vInt;
+
+	for (v in this._obj) {
+		vInt = parseInt(v, 10);
+		value = this._obj[v];
+
+		if (!isNaN(vInt))
+			v = vInt;
+		func.call(context, v, value);
+	}
+};
+
+Map.prototype.map = function (func, context) {
+	var ret = new Map();
+	this.each(function (v, value) {
+		ret.set(v, func.call(context, v, value));
+	}, this);
+	return ret;
+};
+
+Map.prototype.find = function (func, context) {
+	var v,
+		vInt,
+		value;
+
+	for (v in this._obj) {
+		vInt = parseInt(v, 10);
+		value = this._obj[v];
+
+		if (!isNaN(vInt))
+			v = vInt;
+		if (func.call(context, v, value))
+			return v;
+	}
+};
+
+Map.prototype.findAll = function (func, context) {
+	var v,
+		vInt,
+		value,
+		vv = [];
+
+	for (v in this._obj) {
+		vInt = parseInt(v, 10);
+		value = this._obj[v];
+		if (!isNaN(vInt))
+			v = vInt;
+		if (func.call(context, v, value))
+			vv.push(v);
+	}
+	return vv;
+};
+
+Map.prototype.keys = function () {
+	var keys = [],
+		v;
+	for (v in this._obj)
+		keys.push(v);
+	return keys;
+};
+
+Map.prototype.ikeys = function () {
+	var keys = [];
+	for (var v in this._obj)
+		keys.push(v - 0);
+	return keys;
+};
+
+Map.prototype.values = function () {
+	var values = [];
+	for (var v in this._obj)
+		values.push(this._obj[v]);
+	return values;
+};
+
+Map.prototype.set = function (key, value) {
+	var val;
+	this._count += (typeof value !== 'undefined' ? 1 : 0) - (typeof this._obj[key] !== 'undefined' ? 1 : 0);
+
+	if (typeof value === 'undefined') {
+		val = this._obj[key];
+		delete this._obj[key];
+		return val;
+	}
+
+	this._obj[key] = value;
+	return value;
+};
+
+Map.prototype.get = function (key) {
+	if (this._obj[key] !== Object.prototype[key])
+		return this._obj[key];
+	return undefined;
+};
+
+Map.prototype.has = function (key) {
+	return (this._obj[key] !== Object.prototype[key]);
+};
+
+Map.prototype.unset = function (key) {
+	return this.set(key, undefined);
+};
+
+Map.prototype.update = function (object) {
+	for (var v in object)
+		this.set(v, object[v]);
+};
+
+Map.prototype.clear = function () {
+	this._obj = {};
+	this._count = 0;
+};
+
+Map.prototype.count = function () {
+	return this._count;
+};
+
+Map.prototype.idList = function () {
+	return Object.keys(this._obj);
+};
+
+Map.prototype.keyOf = function (value) {
+	for (var key in this._obj) {
+		if (this._obj[key] === value)
+			return key;
+	}
+};
+
+module.exports = Map;