Files
blockly/core/utils/object.js
Sam El-Husseini 6d8f22f39a Add a lint plugin to ensure we only use ES5 syntax. (#3160)
* Add a lint plugin to ensure we only use ES5 only syntax.
2019-10-21 21:26:26 -04:00

67 lines
1.9 KiB
JavaScript

/**
* @license
* Copyright 2019 Google LLC
*
* 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.
*/
/**
* @fileoverview Utility methods for objects.
* @author samelh@google.com (Sam El-Husseini)
*/
'use strict';
goog.provide('Blockly.utils.object');
/**
* Inherit the prototype methods from one constructor into another.
*
* @param {!Function} childCtor Child class.
* @param {!Function} parentCtor Parent class.
* @suppress {strictMissingProperties} superClass_ is not defined on Function.
*/
Blockly.utils.object.inherits = function(childCtor, parentCtor) {
childCtor.superClass_ = parentCtor.prototype;
childCtor.prototype = Object.create(parentCtor.prototype);
childCtor.prototype.constructor = childCtor;
};
/**
* Copies all the members of a source object to a target object.
* @param {!Object} target Target.
* @param {!Object} source Source.
*/
Blockly.utils.object.mixin = function(target, source) {
for (var x in source) {
target[x] = source[x];
}
};
/**
* Returns an array of a given object's own enumerable property values.
* @param {!Object} obj Object containing values.
* @return {!Array} Array of values.
*/
Blockly.utils.object.values = function(obj) {
if (Object.values) {
/* eslint-disable es5/no-es6-methods */
return Object.values(obj);
/* eslint-enable es5/no-es6-methods */
}
// Fallback for IE.
return Object.keys(obj).map(function(e) {
return obj[e];
});
};