/** * lodash 4.1.1 (Custom Build) * Build: `lodash modularize exports="npm" -o ./` * Copyright 2012-2016 The Dojo Foundation * Based on Underscore.js 1.8.3 * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors * Available under MIT license */ var arrayMap = require('lodash._arraymap'), baseFlatten = require('lodash._baseflatten'), baseIsEqual = require('lodash._baseisequal'), baseIsMatch = require('lodash._baseismatch'), get = require('lodash.get'), hasIn = require('lodash.hasin'), rest = require('lodash.rest'), toPairs = require('lodash.topairs'), toString = require('lodash.tostring'); /** Used to compose bitmasks for comparison styles. */ var UNORDERED_COMPARE_FLAG = 1, PARTIAL_COMPARE_FLAG = 2; /** Used to match property names within property paths. */ var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/, reIsPlainProp = /^\w*$/, rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]/g; /** Used to match backslashes in property paths. */ var reEscapeChar = /\\(\\)?/g; /** * A faster alternative to `Function#apply`, this function invokes `func` * with the `this` binding of `thisArg` and the arguments of `args`. * * @private * @param {Function} func The function to invoke. * @param {*} thisArg The `this` binding of `func`. * @param {...*} args The arguments to invoke `func` with. * @returns {*} Returns the result of `func`. */ function apply(func, thisArg, args) { var length = args.length; switch (length) { case 0: return func.call(thisArg); case 1: return func.call(thisArg, args[0]); case 2: return func.call(thisArg, args[0], args[1]); case 3: return func.call(thisArg, args[0], args[1], args[2]); } return func.apply(thisArg, args); } /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeMin = Math.min; /** * The base implementation of `_.get` without support for default values. * * @private * @param {Object} object The object to query. * @param {Array|string} path The path of the property to get. * @returns {*} Returns the resolved value. */ function baseGet(object, path) { path = isKey(path, object) ? [path + ''] : baseToPath(path); var index = 0, length = path.length; while (object != null && index < length) { object = object[path[index++]]; } return (index && index == length) ? object : undefined; } /** * The base implementation of `_.iteratee`. * * @private * @param {*} [value=_.identity] The value to convert to an iteratee. * @returns {Function} Returns the iteratee. */ function baseIteratee(value) { var type = typeof value; if (type == 'function') { return value; } if (value == null) { return identity; } if (type == 'object') { return isArray(value) ? baseMatchesProperty(value[0], value[1]) : baseMatches(value); } return property(value); } /** * The base implementation of `_.matches` which doesn't clone `source`. * * @private * @param {Object} source The object of property values to match. * @returns {Function} Returns the new function. */ function baseMatches(source) { var matchData = getMatchData(source); if (matchData.length == 1 && matchData[0][2]) { var key = matchData[0][0], value = matchData[0][1]; return function(object) { if (object == null) { return false; } return object[key] === value && (value !== undefined || (key in Object(object))); }; } return function(object) { return object === source || baseIsMatch(object, source, matchData); }; } /** * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`. * * @private * @param {string} path The path of the property to get. * @param {*} srcValue The value to match. * @returns {Function} Returns the new function. */ function baseMatchesProperty(path, srcValue) { return function(object) { var objValue = get(object, path); return (objValue === undefined && objValue === srcValue) ? hasIn(object, path) : baseIsEqual(srcValue, objValue, undefined, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG); }; } /** * The base implementation of `_.property` without support for deep paths. * * @private * @param {string} key The key of the property to get. * @returns {Function} Returns the new function. */ function baseProperty(key) { return function(object) { return object == null ? undefined : object[key]; }; } /** * A specialized version of `baseProperty` which supports deep paths. * * @private * @param {Array|string} path The path of the property to get. * @returns {Function} Returns the new function. */ function basePropertyDeep(path) { return function(object) { return baseGet(object, path); }; } /** * The base implementation of `_.toPath` which only converts `value` to a * path if it's not one. * * @private * @param {*} value The value to process. * @returns {Array} Returns the property path array. */ function baseToPath(value) { return isArray(value) ? value : stringToPath(value); } /** * Gets the property names, values, and compare flags of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the match data of `object`. */ function getMatchData(object) { var result = toPairs(object), length = result.length; while (length--) { result[length][2] = isStrictComparable(result[length][1]); } return result; } /** * Checks if `value` is a property name and not a property path. * * @private * @param {*} value The value to check. * @param {Object} [object] The object to query keys on. * @returns {boolean} Returns `true` if `value` is a property name, else `false`. */ function isKey(value, object) { if (typeof value == 'number') { return true; } return !isArray(value) && (reIsPlainProp.test(value) || !reIsDeepProp.test(value) || (object != null && value in Object(object))); } /** * Checks if `value` is suitable for strict equality comparisons, i.e. `===`. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` if suitable for strict * equality comparisons, else `false`. */ function isStrictComparable(value) { return value === value && !isObject(value); } /** * Converts `string` to a property path array. * * @private * @param {string} string The string to convert. * @returns {Array} Returns the property path array. */ function stringToPath(string) { var result = []; toString(string).replace(rePropName, function(match, number, quote, string) { result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match)); }); return result; } /** * Creates a function that invokes `func` with arguments transformed by * corresponding `transforms`. * * @static * @memberOf _ * @category Function * @param {Function} func The function to wrap. * @param {...(Function|Function[])} [transforms] The functions to transform * arguments, specified individually or in arrays. * @returns {Function} Returns the new function. * @example * * function doubled(n) { * return n * 2; * } * * function square(n) { * return n * n; * } * * var func = _.overArgs(function(x, y) { * return [x, y]; * }, square, doubled); * * func(9, 3); * // => [81, 6] * * func(10, 5); * // => [100, 10] */ var overArgs = rest(function(func, transforms) { transforms = arrayMap(baseFlatten(transforms), baseIteratee); var funcsLength = transforms.length; return rest(function(args) { var index = -1, length = nativeMin(args.length, funcsLength); while (++index < length) { args[index] = transforms[index].call(this, args[index]); } return apply(func, this, args); }); }); /** * Checks if `value` is classified as an `Array` object. * * @static * @memberOf _ * @type Function * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isArray([1, 2, 3]); * // => true * * _.isArray(document.body.children); * // => false * * _.isArray('abc'); * // => false * * _.isArray(_.noop); * // => false */ var isArray = Array.isArray; /** * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`. * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an object, else `false`. * @example * * _.isObject({}); * // => true * * _.isObject([1, 2, 3]); * // => true * * _.isObject(_.noop); * // => true * * _.isObject(null); * // => false */ function isObject(value) { var type = typeof value; return !!value && (type == 'object' || type == 'function'); } /** * This method returns the first argument given to it. * * @static * @memberOf _ * @category Util * @param {*} value Any value. * @returns {*} Returns `value`. * @example * * var object = { 'user': 'fred' }; * * _.identity(object) === object; * // => true */ function identity(value) { return value; } /** * Creates a function that returns the value at `path` of a given object. * * @static * @memberOf _ * @category Util * @param {Array|string} path The path of the property to get. * @returns {Function} Returns the new function. * @example * * var objects = [ * { 'a': { 'b': { 'c': 2 } } }, * { 'a': { 'b': { 'c': 1 } } } * ]; * * _.map(objects, _.property('a.b.c')); * // => [2, 1] * * _.map(_.sortBy(objects, _.property(['a', 'b', 'c'])), 'a.b.c'); * // => [1, 2] */ function property(path) { return isKey(path) ? baseProperty(path) : basePropertyDeep(path); } module.exports = overArgs;