isEqualWith.js (1352B)
1 var baseIsEqual = require('./_baseIsEqual'); 2 3 /** 4 * This method is like `_.isEqual` except that it accepts `customizer` which 5 * is invoked to compare values. If `customizer` returns `undefined`, comparisons 6 * are handled by the method instead. The `customizer` is invoked with up to 7 * six arguments: (objValue, othValue [, index|key, object, other, stack]). 8 * 9 * @static 10 * @memberOf _ 11 * @since 4.0.0 12 * @category Lang 13 * @param {*} value The value to compare. 14 * @param {*} other The other value to compare. 15 * @param {Function} [customizer] The function to customize comparisons. 16 * @returns {boolean} Returns `true` if the values are equivalent, else `false`. 17 * @example 18 * 19 * function isGreeting(value) { 20 * return /^h(?:i|ello)$/.test(value); 21 * } 22 * 23 * function customizer(objValue, othValue) { 24 * if (isGreeting(objValue) && isGreeting(othValue)) { 25 * return true; 26 * } 27 * } 28 * 29 * var array = ['hello', 'goodbye']; 30 * var other = ['hi', 'goodbye']; 31 * 32 * _.isEqualWith(array, other, customizer); 33 * // => true 34 */ 35 function isEqualWith(value, other, customizer) { 36 customizer = typeof customizer == 'function' ? customizer : undefined; 37 var result = customizer ? customizer(value, other) : undefined; 38 return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result; 39 } 40 41 module.exports = isEqualWith;