_basePullAll.js (1459B)
1 var arrayMap = require('./_arrayMap'), 2 baseIndexOf = require('./_baseIndexOf'), 3 baseIndexOfWith = require('./_baseIndexOfWith'), 4 baseUnary = require('./_baseUnary'), 5 copyArray = require('./_copyArray'); 6 7 /** Used for built-in method references. */ 8 var arrayProto = Array.prototype; 9 10 /** Built-in value references. */ 11 var splice = arrayProto.splice; 12 13 /** 14 * The base implementation of `_.pullAllBy` without support for iteratee 15 * shorthands. 16 * 17 * @private 18 * @param {Array} array The array to modify. 19 * @param {Array} values The values to remove. 20 * @param {Function} [iteratee] The iteratee invoked per element. 21 * @param {Function} [comparator] The comparator invoked per element. 22 * @returns {Array} Returns `array`. 23 */ 24 function basePullAll(array, values, iteratee, comparator) { 25 var indexOf = comparator ? baseIndexOfWith : baseIndexOf, 26 index = -1, 27 length = values.length, 28 seen = array; 29 30 if (array === values) { 31 values = copyArray(values); 32 } 33 if (iteratee) { 34 seen = arrayMap(array, baseUnary(iteratee)); 35 } 36 while (++index < length) { 37 var fromIndex = 0, 38 value = values[index], 39 computed = iteratee ? iteratee(value) : value; 40 41 while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) { 42 if (seen !== array) { 43 splice.call(seen, fromIndex, 1); 44 } 45 splice.call(array, fromIndex, 1); 46 } 47 } 48 return array; 49 } 50 51 module.exports = basePullAll;