/** * @license Apache-2.0 * * Copyright (c) 2018 The Stdlib Authors. * * 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. */ 'use strict'; // MODULES // var hasOwnProp = require( './../../has-own-property' ); // MAIN // /** * Tests if an object has an inherited property. * * @param {*} value - value to test * @param {*} property - property to test * @returns {boolean} boolean indicating if an object has an inherited property * * @example * var obj = { * 'boop': true * }; * * var bool = isInheritedProperty( obj, 'toString' ); * // returns true * * @example * var obj = { * 'boop': true * }; * * var bool = isInheritedProperty( obj, 'boop' ); * // returns false * * @example * var obj = { * 'boop': true * }; * * var bool = isInheritedProperty( obj, 'bap' ); * // returns false */ function isInheritedProperty( value, property ) { if ( value === void 0 || value === null || hasOwnProp( value, property ) ) { return false; } if ( typeof property === 'symbol' ) { return property in Object( value ); } return ( String( property ) in Object( value ) ); } // EXPORTS // module.exports = isInheritedProperty;