From d1291f67551c58168af43698a359cb5ddfd266b0 Mon Sep 17 00:00:00 2001 From: Florian Dold Date: Thu, 3 Nov 2016 01:33:53 +0100 Subject: node_modules --- node_modules/lodash/_baseDifference.js | 67 ++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 node_modules/lodash/_baseDifference.js (limited to 'node_modules/lodash/_baseDifference.js') diff --git a/node_modules/lodash/_baseDifference.js b/node_modules/lodash/_baseDifference.js new file mode 100644 index 000000000..343ac19f0 --- /dev/null +++ b/node_modules/lodash/_baseDifference.js @@ -0,0 +1,67 @@ +var SetCache = require('./_SetCache'), + arrayIncludes = require('./_arrayIncludes'), + arrayIncludesWith = require('./_arrayIncludesWith'), + arrayMap = require('./_arrayMap'), + baseUnary = require('./_baseUnary'), + cacheHas = require('./_cacheHas'); + +/** Used as the size to enable large array optimizations. */ +var LARGE_ARRAY_SIZE = 200; + +/** + * The base implementation of methods like `_.difference` without support + * for excluding multiple arrays or iteratee shorthands. + * + * @private + * @param {Array} array The array to inspect. + * @param {Array} values The values to exclude. + * @param {Function} [iteratee] The iteratee invoked per element. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of filtered values. + */ +function baseDifference(array, values, iteratee, comparator) { + var index = -1, + includes = arrayIncludes, + isCommon = true, + length = array.length, + result = [], + valuesLength = values.length; + + if (!length) { + return result; + } + if (iteratee) { + values = arrayMap(values, baseUnary(iteratee)); + } + if (comparator) { + includes = arrayIncludesWith; + isCommon = false; + } + else if (values.length >= LARGE_ARRAY_SIZE) { + includes = cacheHas; + isCommon = false; + values = new SetCache(values); + } + outer: + while (++index < length) { + var value = array[index], + computed = iteratee == null ? value : iteratee(value); + + value = (comparator || value !== 0) ? value : 0; + if (isCommon && computed === computed) { + var valuesIndex = valuesLength; + while (valuesIndex--) { + if (values[valuesIndex] === computed) { + continue outer; + } + } + result.push(value); + } + else if (!includes(values, computed, comparator)) { + result.push(value); + } + } + return result; +} + +module.exports = baseDifference; -- cgit v1.2.3