diff --git a/dist/lodash.compat.js b/dist/lodash.compat.js index 8e6a12857..cb387ed65 100644 --- a/dist/lodash.compat.js +++ b/dist/lodash.compat.js @@ -486,8 +486,8 @@ } /** - * A fallback implementation of `String#trimLeft` to remove leading whitespace or - * specified characters from `string`. + * A fallback implementation of `String#trimLeft` to remove leading whitespace + * or specified characters from `string`. * * @private * @param {string} string The string to trim. @@ -507,8 +507,8 @@ } /** - * A fallback implementation of `String#trimRight` to remove trailing whitespace or - * specified characters from `string`. + * A fallback implementation of `String#trimRight` to remove trailing whitespace + * or specified characters from `string`. * * @private * @param {string} string The string to trim. @@ -678,7 +678,7 @@ nativeTrimLeft = isNative(nativeTrimLeft = stringProto.trimLeft) && !nativeTrimLeft.call(whitespace) && nativeTrimLeft, nativeTrimRight = isNative(nativeTrimRight = stringProto.trimRight) && !nativeTrimRight.call(whitespace) && nativeTrimRight; - /** Used to lookup a built-in constructor by `[[Class]]` */ + /** Used to lookup built-in constructors by `[[Class]]` */ var ctorByClass = {}; ctorByClass[arrayClass] = Array; ctorByClass[boolClass] = Boolean; @@ -819,7 +819,7 @@ for (var strKey in 'x') { } /** - * Detect if an `arguments` object's `[[Class]]` is resolvable + * Detect if the `[[Class]]` of `arguments` objects is resolvable * (all but Firefox < 4, IE < 9). * * @memberOf _.support @@ -946,9 +946,9 @@ } /** - * Detect if a DOM node's `[[Class]]` is resolvable (all but IE < 9) - * and that the JS engine errors when attempting to coerce an object to - * a string without a `toString` function. + * Detect if the `[[Class]]` of DOM nodes is resolvable (all but IE < 9) + * and that the JS engine errors when attempting to coerce an object to a + * string without a `toString` function. * * @memberOf _.support * @type boolean @@ -1165,7 +1165,6 @@ return result; } } - // inspect `[[Class]]` var isObj = isObject(value); if (isObj) { var className = toString.call(value); @@ -1226,7 +1225,7 @@ stackB.push(result); // recursively populate clone (susceptible to call stack limits) - (isArr ? baseEach : baseForOwn)(value, function(valValue, key) { + (isArr ? arrayEach : baseForOwn)(value, function(valValue, key) { result[key] = baseClone(valValue, isDeep, callback, stackA, stackB); }); @@ -1672,7 +1671,6 @@ (valType != 'function' && valType != 'object' && othType != 'function' && othType != 'object'))) { return false; } - // compare `[[Class]]` names var valClass = toString.call(value), othClass = toString.call(other), valIsArg = valClass == argsClass, @@ -1828,7 +1826,7 @@ * @param {Array} [stackB=[]] Associates values with source counterparts. */ function baseMerge(object, source, callback, stackA, stackB) { - (isArray(source) ? baseEach : baseForOwn)(source, function(source, key) { + (isArray(source) ? arrayEach : baseForOwn)(source, function(source, key) { var found, isArr, result = source, @@ -2254,10 +2252,9 @@ }; /** - * A fallback implementation of `_.isPlainObject` which checks if `value` is - * an object created by the `Object` constructor, assuming objects created - * by the `Object` constructor have no inherited enumerable properties and - * that there are no `Object.prototype` extensions. + * A fallback implementation of `_.isPlainObject` which checks if `value` + * is an object created by the `Object` constructor or has a `[[Prototype]]` + * of `null`. * * @private * @param {*} value The value to check. @@ -5280,7 +5277,7 @@ * // => { 'name': 'penelope', 'age': 1 } */ function memoize(func, resolver) { - if (!isFunction(func)) { + if (!isFunction(func) || (resolver && !isFunction(resolver))) { throw new TypeError; } var memoized = function() { @@ -6059,7 +6056,7 @@ return value && typeof value == 'object' && typeof value.length == 'number' && toString.call(value) == argsClass || false; } - // fallback for environments that can't detect `arguments` objects by `[[Class]]` + // fallback for environments without a `[[Class]]` for `arguments` objects if (!support.argsClass) { isArguments = function(value) { return value && typeof value == 'object' && typeof value.length == 'number' && @@ -6434,7 +6431,11 @@ } /** - * Checks if `value` is an object created by the `Object` constructor. + * Checks if `value` is an object created by the `Object` constructor or has + * a `[[Prototype]]` of `null`. + * + * Note: This method assumes objects created by the `Object` constructor + * have no inherited enumerable properties. * * @static * @memberOf _ @@ -6456,6 +6457,9 @@ * * _.isPlainObject({ 'x': 0, 'y': 0 }); * // => true + * + * _.isPlainObject(Object.create(null)); + * // => true */ var isPlainObject = !getPrototypeOf ? shimIsPlainObject : function(value) { if (!(value && toString.call(value) == objectClass) || (!support.argsClass && isArguments(value))) { @@ -6921,7 +6925,7 @@ } if (callback) { callback = lodash.createCallback(callback, thisArg, 4); - (isArr ? baseEach : baseForOwn)(object, function(value, index, object) { + (isArr ? arrayEach : baseForOwn)(object, function(value, index, object) { return callback(accumulator, value, index, object); }); } @@ -8457,7 +8461,7 @@ lodash.prototype.valueOf = wrapperValueOf; // add `Array` functions that return unwrapped values - baseEach(['join', 'pop', 'shift'], function(methodName) { + arrayEach(['join', 'pop', 'shift'], function(methodName) { var func = arrayRef[methodName]; lodash.prototype[methodName] = function() { var chainAll = this.__chain__, @@ -8470,7 +8474,7 @@ }); // add `Array` functions that return the existing wrapped value - baseEach(['push', 'reverse', 'sort', 'unshift'], function(methodName) { + arrayEach(['push', 'reverse', 'sort', 'unshift'], function(methodName) { var func = arrayRef[methodName]; lodash.prototype[methodName] = function() { func.apply(this.__wrapped__, arguments); @@ -8479,7 +8483,7 @@ }); // add `Array` functions that return new wrapped values - baseEach(['concat', 'splice'], function(methodName) { + arrayEach(['concat', 'splice'], function(methodName) { var func = arrayRef[methodName]; 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- /** Used to lookup a built-in constructor by `[[Class]]` */ + /** Used to lookup built-in constructors by `[[Class]]` */ var ctorByClass = {}; ctorByClass[arrayClass] = Array; ctorByClass[boolClass] = Boolean; @@ -1006,7 +1006,6 @@ return result; } } - // inspect `[[Class]]` var isObj = isObject(value); if (isObj) { var className = toString.call(value); @@ -1067,7 +1066,7 @@ stackB.push(result); // recursively populate clone (susceptible to call stack limits) - (isArr ? baseEach : baseForOwn)(value, function(valValue, key) { + (isArr ? arrayEach : baseForOwn)(value, function(valValue, key) { result[key] = baseClone(valValue, isDeep, callback, stackA, stackB); }); @@ -1507,7 +1506,6 @@ (valType != 'function' && valType != 'object' && othType != 'function' && othType != 'object'))) { return false; } - // compare `[[Class]]` names var valClass = toString.call(value), othClass = toString.call(other), valIsArg = valClass == argsClass, @@ -1659,7 +1657,7 @@ * @param {Array} [stackB=[]] Associates values with source counterparts. */ function baseMerge(object, source, callback, stackA, stackB) { - (isArray(source) ? baseEach : baseForOwn)(source, function(source, key) { + (isArray(source) ? arrayEach : baseForOwn)(source, function(source, key) { var found, isArr, result = source, @@ -2085,10 +2083,9 @@ }; /** - * A fallback implementation of `_.isPlainObject` which checks if `value` is - * an object created by the `Object` constructor, assuming objects created - * by the `Object` constructor have no inherited enumerable properties and - * that there are no `Object.prototype` extensions. + * A fallback implementation of `_.isPlainObject` which checks if `value` + * is an object created by the `Object` constructor or has a `[[Prototype]]` + * of `null`. * * @private * @param {*} value The value to check. @@ -5100,7 +5097,7 @@ * // => { 'name': 'penelope', 'age': 1 } */ function memoize(func, resolver) { - if (!isFunction(func)) { + if (!isFunction(func) || (resolver && !isFunction(resolver))) { throw new TypeError; } var memoized = function() { @@ -6240,7 +6237,11 @@ } /** - * Checks if `value` is an object created by the `Object` constructor. + * Checks if `value` is an object created by the `Object` constructor or has + * a `[[Prototype]]` of `null`. + * + * Note: This method assumes objects created by the `Object` constructor + * have no inherited enumerable properties. * * @static * @memberOf _ @@ -6262,6 +6263,9 @@ * * _.isPlainObject({ 'x': 0, 'y': 0 }); * // => true + * + * _.isPlainObject(Object.create(null)); + * // => true */ var isPlainObject = !getPrototypeOf ? shimIsPlainObject : function(value) { if (!(value && toString.call(value) == objectClass)) { @@ -6700,7 +6704,7 @@ } if (callback) { callback = lodash.createCallback(callback, thisArg, 4); - (isArr ? baseEach : baseForOwn)(object, function(value, index, object) { + (isArr ? arrayEach : baseForOwn)(object, function(value, index, object) { return callback(accumulator, value, index, object); }); } @@ -8236,7 +8240,7 @@ lodash.prototype.valueOf = wrapperValueOf; // add `Array` functions that return unwrapped values - baseEach(['join', 'pop', 'shift'], function(methodName) { + arrayEach(['join', 'pop', 'shift'], function(methodName) { var func = arrayRef[methodName]; lodash.prototype[methodName] = function() { var chainAll = this.__chain__, @@ -8249,7 +8253,7 @@ }); // add `Array` functions that return the existing wrapped value - baseEach(['push', 'reverse', 'sort', 'unshift'], function(methodName) { + arrayEach(['push', 'reverse', 'sort', 'unshift'], function(methodName) { var func = arrayRef[methodName]; 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