| 1 |
- {"ast":null,"code":"import SetCache from './_SetCache.js';\nimport arrayIncludes from './_arrayIncludes.js';\nimport arrayIncludesWith from './_arrayIncludesWith.js';\nimport arrayMap from './_arrayMap.js';\nimport baseUnary from './_baseUnary.js';\nimport cacheHas from './_cacheHas.js';\n\n/** Used as the size to enable large array optimizations. */\nvar LARGE_ARRAY_SIZE = 200;\n\n/**\n * The base implementation of methods like `_.difference` without support\n * for excluding multiple arrays or iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Array} values The values to exclude.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n */\nfunction baseDifference(array, values, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n isCommon = true,\n length = array.length,\n result = [],\n valuesLength = values.length;\n if (!length) {\n return result;\n }\n if (iteratee) {\n values = arrayMap(values, baseUnary(iteratee));\n }\n if (comparator) {\n includes = arrayIncludesWith;\n isCommon = false;\n } else if (values.length >= LARGE_ARRAY_SIZE) {\n includes = cacheHas;\n isCommon = false;\n values = new SetCache(values);\n }\n outer: while (++index < length) {\n var value = array[index],\n computed = iteratee == null ? value : iteratee(value);\n value = comparator || value !== 0 ? value : 0;\n if (isCommon && computed === computed) {\n var valuesIndex = valuesLength;\n while (valuesIndex--) {\n if (values[valuesIndex] === computed) {\n continue outer;\n }\n }\n result.push(value);\n } else if (!includes(values, computed, comparator)) {\n result.push(value);\n }\n }\n return result;\n}\nexport default baseDifference;","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]}
|
