74 lines
2.0 KiB
JavaScript
74 lines
2.0 KiB
JavaScript
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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var defineProperty = require( './../../define-property' );
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// MAIN //
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/**
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* Moves a property from one object to another object.
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*
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* @param {Object} source - source object
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* @param {string} prop - property to move
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* @param {Object} target - target object
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* @throws {TypeError} first argument must be an object
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* @throws {TypeError} third argument must be an object
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* @returns {boolean} boolean indicating whether operation was successful
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*
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* @example
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* var obj1 = { 'a': 'b' };
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* var obj2 = {};
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*
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* var bool = moveProperty( obj1, 'a', obj2 );
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* // returns true
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*
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* @example
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* var obj1 = { 'a': 'b' };
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* var obj2 = {};
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*
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* var bool = moveProperty( obj1, 'c', obj2 );
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* // returns false
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*/
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function moveProperty( source, prop, target ) {
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var desc;
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if ( typeof source !== 'object' || source === null ) {
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throw new TypeError( 'invalid argument. Source argument must be an object. Value: `' + source + '`.' );
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}
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if ( typeof target !== 'object' || target === null ) {
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throw new TypeError( 'invalid argument. Target argument must be an object. Value: `' + target + '`.' );
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}
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// TODO: handle case where gOPD is not supported
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desc = Object.getOwnPropertyDescriptor( source, prop );
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if ( desc === void 0 ) {
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return false;
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}
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delete source[ prop ];
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defineProperty( target, prop, desc );
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return true;
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}
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// EXPORTS //
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module.exports = moveProperty;
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