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Diffstat (limited to 'srcs/phpmyadmin/doc/html/_static/underscore.js')
| -rw-r--r-- | srcs/phpmyadmin/doc/html/_static/underscore.js | 1548 |
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diff --git a/srcs/phpmyadmin/doc/html/_static/underscore.js b/srcs/phpmyadmin/doc/html/_static/underscore.js deleted file mode 100644 index b29332f..0000000 --- a/srcs/phpmyadmin/doc/html/_static/underscore.js +++ /dev/null @@ -1,1548 +0,0 @@ -// Underscore.js 1.8.3 -// http://underscorejs.org -// (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors -// Underscore may be freely distributed under the MIT license. - -(function() { - - // Baseline setup - // -------------- - - // Establish the root object, `window` in the browser, or `exports` on the server. - var root = this; - - // Save the previous value of the `_` variable. - var previousUnderscore = root._; - - // Save bytes in the minified (but not gzipped) version: - var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype; - - // Create quick reference variables for speed access to core prototypes. - var - push = ArrayProto.push, - slice = ArrayProto.slice, - toString = ObjProto.toString, - hasOwnProperty = ObjProto.hasOwnProperty; - - // All **ECMAScript 5** native function implementations that we hope to use - // are declared here. - var - nativeIsArray = Array.isArray, - nativeKeys = Object.keys, - nativeBind = FuncProto.bind, - nativeCreate = Object.create; - - // Naked function reference for surrogate-prototype-swapping. - var Ctor = function(){}; - - // Create a safe reference to the Underscore object for use below. - var _ = function(obj) { - if (obj instanceof _) return obj; - if (!(this instanceof _)) return new _(obj); - this._wrapped = obj; - }; - - // Export the Underscore object for **Node.js**, with - // backwards-compatibility for the old `require()` API. If we're in - // the browser, add `_` as a global object. - if (typeof exports !== 'undefined') { - if (typeof module !== 'undefined' && module.exports) { - exports = module.exports = _; - } - exports._ = _; - } else { - root._ = _; - } - - // Current version. - _.VERSION = '1.8.3'; - - // Internal function that returns an efficient (for current engines) version - // of the passed-in callback, to be repeatedly applied in other Underscore - // functions. - var optimizeCb = function(func, context, argCount) { - if (context === void 0) return func; - switch (argCount == null ? 3 : argCount) { - case 1: return function(value) { - return func.call(context, value); - }; - case 2: return function(value, other) { - return func.call(context, value, other); - }; - case 3: return function(value, index, collection) { - return func.call(context, value, index, collection); - }; - case 4: return function(accumulator, value, index, collection) { - return func.call(context, accumulator, value, index, collection); - }; - } - return function() { - return func.apply(context, arguments); - }; - }; - - // A mostly-internal function to generate callbacks that can be applied - // to each element in a collection, returning the desired result — either - // identity, an arbitrary callback, a property matcher, or a property accessor. - var cb = function(value, context, argCount) { - if (value == null) return _.identity; - if (_.isFunction(value)) return optimizeCb(value, context, argCount); - if (_.isObject(value)) return _.matcher(value); - return _.property(value); - }; - _.iteratee = function(value, context) { - return cb(value, context, Infinity); - }; - - // An internal function for creating assigner functions. - var createAssigner = function(keysFunc, undefinedOnly) { - return function(obj) { - var length = arguments.length; - if (length < 2 || obj == null) return obj; - for (var index = 1; index < length; index++) { - var source = arguments[index], - keys = keysFunc(source), - l = keys.length; - for (var i = 0; i < l; i++) { - var key = keys[i]; - if (!undefinedOnly || obj[key] === void 0) obj[key] = source[key]; - } - } - return obj; - }; - }; - - // An internal function for creating a new object that inherits from another. - var baseCreate = function(prototype) { - if (!_.isObject(prototype)) return {}; - if (nativeCreate) return nativeCreate(prototype); - Ctor.prototype = prototype; - var result = new Ctor; - Ctor.prototype = null; - return result; - }; - - var property = function(key) { - return function(obj) { - return obj == null ? void 0 : obj[key]; - }; - }; - - // Helper for collection methods to determine whether a collection - // should be iterated as an array or as an object - // Related: http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength - // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094 - var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1; - var getLength = property('length'); - var isArrayLike = function(collection) { - var length = getLength(collection); - return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX; - }; - - // Collection Functions - // -------------------- - - // The cornerstone, an `each` implementation, aka `forEach`. - // Handles raw objects in addition to array-likes. Treats all - // sparse array-likes as if they were dense. - _.each = _.forEach = function(obj, iteratee, context) { - iteratee = optimizeCb(iteratee, context); - var i, length; - if (isArrayLike(obj)) { - for (i = 0, length = obj.length; i < length; i++) { - iteratee(obj[i], i, obj); - } - } else { - var keys = _.keys(obj); - for (i = 0, length = keys.length; i < length; i++) { - iteratee(obj[keys[i]], keys[i], obj); - } - } - return obj; - }; - - // Return the results of applying the iteratee to each element. - _.map = _.collect = function(obj, iteratee, context) { - iteratee = cb(iteratee, context); - var keys = !isArrayLike(obj) && _.keys(obj), - length = (keys || obj).length, - results = Array(length); - for (var index = 0; index < length; index++) { - var currentKey = keys ? keys[index] : index; - results[index] = iteratee(obj[currentKey], currentKey, obj); - } - return results; - }; - - // Create a reducing function iterating left or right. - function createReduce(dir) { - // Optimized iterator function as using arguments.length - // in the main function will deoptimize the, see #1991. - function iterator(obj, iteratee, memo, keys, index, length) { - for (; index >= 0 && index < length; index += dir) { - var currentKey = keys ? keys[index] : index; - memo = iteratee(memo, obj[currentKey], currentKey, obj); - } - return memo; - } - - return function(obj, iteratee, memo, context) { - iteratee = optimizeCb(iteratee, context, 4); - var keys = !isArrayLike(obj) && _.keys(obj), - length = (keys || obj).length, - index = dir > 0 ? 0 : length - 1; - // Determine the initial value if none is provided. - if (arguments.length < 3) { - memo = obj[keys ? keys[index] : index]; - index += dir; - } - return iterator(obj, iteratee, memo, keys, index, length); - }; - } - - // **Reduce** builds up a single result from a list of values, aka `inject`, - // or `foldl`. - _.reduce = _.foldl = _.inject = createReduce(1); - - // The right-associative version of reduce, also known as `foldr`. - _.reduceRight = _.foldr = createReduce(-1); - - // Return the first value which passes a truth test. Aliased as `detect`. - _.find = _.detect = function(obj, predicate, context) { - var key; - if (isArrayLike(obj)) { - key = _.findIndex(obj, predicate, context); - } else { - key = _.findKey(obj, predicate, context); - } - if (key !== void 0 && key !== -1) return obj[key]; - }; - - // Return all the elements that pass a truth test. - // Aliased as `select`. - _.filter = _.select = function(obj, predicate, context) { - var results = []; - predicate = cb(predicate, context); - _.each(obj, function(value, index, list) { - if (predicate(value, index, list)) results.push(value); - }); - return results; - }; - - // Return all the elements for which a truth test fails. - _.reject = function(obj, predicate, context) { - return _.filter(obj, _.negate(cb(predicate)), context); - }; - - // Determine whether all of the elements match a truth test. - // Aliased as `all`. - _.every = _.all = function(obj, predicate, context) { - predicate = cb(predicate, context); - var keys = !isArrayLike(obj) && _.keys(obj), - length = (keys || obj).length; - for (var index = 0; index < length; index++) { - var currentKey = keys ? keys[index] : index; - if (!predicate(obj[currentKey], currentKey, obj)) return false; - } - return true; - }; - - // Determine if at least one element in the object matches a truth test. - // Aliased as `any`. - _.some = _.any = function(obj, predicate, context) { - predicate = cb(predicate, context); - var keys = !isArrayLike(obj) && _.keys(obj), - length = (keys || obj).length; - for (var index = 0; index < length; index++) { - var currentKey = keys ? keys[index] : index; - if (predicate(obj[currentKey], currentKey, obj)) return true; - } - return false; - }; - - // Determine if the array or object contains a given item (using `===`). - // Aliased as `includes` and `include`. - _.contains = _.includes = _.include = function(obj, item, fromIndex, guard) { - if (!isArrayLike(obj)) obj = _.values(obj); - if (typeof fromIndex != 'number' || guard) fromIndex = 0; - return _.indexOf(obj, item, fromIndex) >= 0; - }; - - // Invoke a method (with arguments) on every item in a collection. - _.invoke = function(obj, method) { - var args = slice.call(arguments, 2); - var isFunc = _.isFunction(method); - return _.map(obj, function(value) { - var func = isFunc ? method : value[method]; - return func == null ? func : func.apply(value, args); - }); - }; - - // Convenience version of a common use case of `map`: fetching a property. - _.pluck = function(obj, key) { - return _.map(obj, _.property(key)); - }; - - // Convenience version of a common use case of `filter`: selecting only objects - // containing specific `key:value` pairs. - _.where = function(obj, attrs) { - return _.filter(obj, _.matcher(attrs)); - }; - - // Convenience version of a common use case of `find`: getting the first object - // containing specific `key:value` pairs. - _.findWhere = function(obj, attrs) { - return _.find(obj, _.matcher(attrs)); - }; - - // Return the maximum element (or element-based computation). - _.max = function(obj, iteratee, context) { - var result = -Infinity, lastComputed = -Infinity, - value, computed; - if (iteratee == null && obj != null) { - obj = isArrayLike(obj) ? obj : _.values(obj); - for (var i = 0, length = obj.length; i < length; i++) { - value = obj[i]; - if (value > result) { - result = value; - } - } - } else { - iteratee = cb(iteratee, context); - _.each(obj, function(value, index, list) { - computed = iteratee(value, index, list); - if (computed > lastComputed || computed === -Infinity && result === -Infinity) { - result = value; - lastComputed = computed; - } - }); - } - return result; - }; - - // Return the minimum element (or element-based computation). - _.min = function(obj, iteratee, context) { - var result = Infinity, lastComputed = Infinity, - value, computed; - if (iteratee == null && obj != null) { - obj = isArrayLike(obj) ? obj : _.values(obj); - for (var i = 0, length = obj.length; i < length; i++) { - value = obj[i]; - if (value < result) { - result = value; - } - } - } else { - iteratee = cb(iteratee, context); - _.each(obj, function(value, index, list) { - computed = iteratee(value, index, list); - if (computed < lastComputed || computed === Infinity && result === Infinity) { - result = value; - lastComputed = computed; - } - }); - } - return result; - }; - - // Shuffle a collection, using the modern version of the - // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle). - _.shuffle = function(obj) { - var set = isArrayLike(obj) ? obj : _.values(obj); - var length = set.length; - var shuffled = Array(length); - for (var index = 0, rand; index < length; index++) { - rand = _.random(0, index); - if (rand !== index) shuffled[index] = shuffled[rand]; - shuffled[rand] = set[index]; - } - return shuffled; - }; - - // Sample **n** random values from a collection. - // If **n** is not specified, returns a single random element. - // The internal `guard` argument allows it to work with `map`. - _.sample = function(obj, n, guard) { - if (n == null || guard) { - if (!isArrayLike(obj)) obj = _.values(obj); - return obj[_.random(obj.length - 1)]; - } - return _.shuffle(obj).slice(0, Math.max(0, n)); - }; - - // Sort the object's values by a criterion produced by an iteratee. - _.sortBy = function(obj, iteratee, context) { - iteratee = cb(iteratee, context); - return _.pluck(_.map(obj, function(value, index, list) { - return { - value: value, - index: index, - criteria: iteratee(value, index, list) - }; - }).sort(function(left, right) { - var a = left.criteria; - var b = right.criteria; - if (a !== b) { - if (a > b || a === void 0) return 1; - if (a < b || b === void 0) return -1; - } - return left.index - right.index; - }), 'value'); - }; - - // An internal function used for aggregate "group by" operations. - var group = function(behavior) { - return function(obj, iteratee, context) { - var result = {}; - iteratee = cb(iteratee, context); - _.each(obj, function(value, index) { - var key = iteratee(value, index, obj); - behavior(result, value, key); - }); - return result; - }; - }; - - // Groups the object's values by a criterion. Pass either a string attribute - // to group by, or a function that returns the criterion. - _.groupBy = group(function(result, value, key) { - if (_.has(result, key)) result[key].push(value); else result[key] = [value]; - }); - - // Indexes the object's values by a criterion, similar to `groupBy`, but for - // when you know that your index values will be unique. - _.indexBy = group(function(result, value, key) { - result[key] = value; - }); - - // Counts instances of an object that group by a certain criterion. Pass - // either a string attribute to count by, or a function that returns the - // criterion. - _.countBy = group(function(result, value, key) { - if (_.has(result, key)) result[key]++; else result[key] = 1; - }); - - // Safely create a real, live array from anything iterable. - _.toArray = function(obj) { - if (!obj) return []; - if (_.isArray(obj)) return slice.call(obj); - if (isArrayLike(obj)) return _.map(obj, _.identity); - return _.values(obj); - }; - - // Return the number of elements in an object. - _.size = function(obj) { - if (obj == null) return 0; - return isArrayLike(obj) ? obj.length : _.keys(obj).length; - }; - - // Split a collection into two arrays: one whose elements all satisfy the given - // predicate, and one whose elements all do not satisfy the predicate. - _.partition = function(obj, predicate, context) { - predicate = cb(predicate, context); - var pass = [], fail = []; - _.each(obj, function(value, key, obj) { - (predicate(value, key, obj) ? pass : fail).push(value); - }); - return [pass, fail]; - }; - - // Array Functions - // --------------- - - // Get the first element of an array. Passing **n** will return the first N - // values in the array. Aliased as `head` and `take`. The **guard** check - // allows it to work with `_.map`. - _.first = _.head = _.take = function(array, n, guard) { - if (array == null) return void 0; - if (n == null || guard) return array[0]; - return _.initial(array, array.length - n); - }; - - // Returns everything but the last entry of the array. Especially useful on - // the arguments object. Passing **n** will return all the values in - // the array, excluding the last N. - _.initial = function(array, n, guard) { - return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n))); - }; - - // Get the last element of an array. Passing **n** will return the last N - // values in the array. - _.last = function(array, n, guard) { - if (array == null) return void 0; - if (n == null || guard) return array[array.length - 1]; - return _.rest(array, Math.max(0, array.length - n)); - }; - - // Returns everything but the first entry of the array. Aliased as `tail` and `drop`. - // Especially useful on the arguments object. Passing an **n** will return - // the rest N values in the array. - _.rest = _.tail = _.drop = function(array, n, guard) { - return slice.call(array, n == null || guard ? 1 : n); - }; - - // Trim out all falsy values from an array. - _.compact = function(array) { - return _.filter(array, _.identity); - }; - - // Internal implementation of a recursive `flatten` function. - var flatten = function(input, shallow, strict, startIndex) { - var output = [], idx = 0; - for (var i = startIndex || 0, length = getLength(input); i < length; i++) { - var value = input[i]; - if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) { - //flatten current level of array or arguments object - if (!shallow) value = flatten(value, shallow, strict); - var j = 0, len = value.length; - output.length += len; - while (j < len) { - output[idx++] = value[j++]; - } - } else if (!strict) { - output[idx++] = value; - } - } - return output; - }; - - // Flatten out an array, either recursively (by default), or just one level. - _.flatten = function(array, shallow) { - return flatten(array, shallow, false); - }; - - // Return a version of the array that does not contain the specified value(s). - _.without = function(array) { - return _.difference(array, slice.call(arguments, 1)); - }; - - // Produce a duplicate-free version of the array. If the array has already - // been sorted, you have the option of using a faster algorithm. - // Aliased as `unique`. - _.uniq = _.unique = function(array, isSorted, iteratee, context) { - if (!_.isBoolean(isSorted)) { - context = iteratee; - iteratee = isSorted; - isSorted = false; - } - if (iteratee != null) iteratee = cb(iteratee, context); - var result = []; - var seen = []; - for (var i = 0, length = getLength(array); i < length; i++) { - var value = array[i], - computed = iteratee ? iteratee(value, i, array) : value; - if (isSorted) { - if (!i || seen !== computed) result.push(value); - seen = computed; - } else if (iteratee) { - if (!_.contains(seen, computed)) { - seen.push(computed); - result.push(value); - } - } else if (!_.contains(result, value)) { - result.push(value); - } - } - return result; - }; - - // Produce an array that contains the union: each distinct element from all of - // the passed-in arrays. - _.union = function() { - return _.uniq(flatten(arguments, true, true)); - }; - - // Produce an array that contains every item shared between all the - // passed-in arrays. - _.intersection = function(array) { - var result = []; - var argsLength = arguments.length; - for (var i = 0, length = getLength(array); i < length; i++) { - var item = array[i]; - if (_.contains(result, item)) continue; - for (var j = 1; j < argsLength; j++) { - if (!_.contains(arguments[j], item)) break; - } - if (j === argsLength) result.push(item); - } - return result; - }; - - // Take the difference between one array and a number of other arrays. - // Only the elements present in just the first array will remain. - _.difference = function(array) { - var rest = flatten(arguments, true, true, 1); - return _.filter(array, function(value){ - return !_.contains(rest, value); - }); - }; - - // Zip together multiple lists into a single array -- elements that share - // an index go together. - _.zip = function() { - return _.unzip(arguments); - }; - - // Complement of _.zip. Unzip accepts an array of arrays and groups - // each array's elements on shared indices - _.unzip = function(array) { - var length = array && _.max(array, getLength).length || 0; - var result = Array(length); - - for (var index = 0; index < length; index++) { - result[index] = _.pluck(array, index); - } - return result; - }; - - // Converts lists into objects. Pass either a single array of `[key, value]` - // pairs, or two parallel arrays of the same length -- one of keys, and one of - // the corresponding values. - _.object = function(list, values) { - var result = {}; - for (var i = 0, length = getLength(list); i < length; i++) { - if (values) { - result[list[i]] = values[i]; - } else { - result[list[i][0]] = list[i][1]; - } - } - return result; - }; - - // Generator function to create the findIndex and findLastIndex functions - function createPredicateIndexFinder(dir) { - return function(array, predicate, context) { - predicate = cb(predicate, context); - var length = getLength(array); - var index = dir > 0 ? 0 : length - 1; - for (; index >= 0 && index < length; index += dir) { - if (predicate(array[index], index, array)) return index; - } - return -1; - }; - } - - // Returns the first index on an array-like that passes a predicate test - _.findIndex = createPredicateIndexFinder(1); - _.findLastIndex = createPredicateIndexFinder(-1); - - // Use a comparator function to figure out the smallest index at which - // an object should be inserted so as to maintain order. Uses binary search. - _.sortedIndex = function(array, obj, iteratee, context) { - iteratee = cb(iteratee, context, 1); - var value = iteratee(obj); - var low = 0, high = getLength(array); - while (low < high) { - var mid = Math.floor((low + high) / 2); - if (iteratee(array[mid]) < value) low = mid + 1; else high = mid; - } - return low; - }; - - // Generator function to create the indexOf and lastIndexOf functions - function createIndexFinder(dir, predicateFind, sortedIndex) { - return function(array, item, idx) { - var i = 0, length = getLength(array); - if (typeof idx == 'number') { - if (dir > 0) { - i = idx >= 0 ? idx : Math.max(idx + length, i); - } else { - length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1; - } - } else if (sortedIndex && idx && length) { - idx = sortedIndex(array, item); - return array[idx] === item ? idx : -1; - } - if (item !== item) { - idx = predicateFind(slice.call(array, i, length), _.isNaN); - return idx >= 0 ? idx + i : -1; - } - for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) { - if (array[idx] === item) return idx; - } - return -1; - }; - } - - // Return the position of the first occurrence of an item in an array, - // or -1 if the item is not included in the array. - // If the array is large and already in sort order, pass `true` - // for **isSorted** to use binary search. - _.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex); - _.lastIndexOf = createIndexFinder(-1, _.findLastIndex); - - // Generate an integer Array containing an arithmetic progression. A port of - // the native Python `range()` function. See - // [the Python documentation](http://docs.python.org/library/functions.html#range). - _.range = function(start, stop, step) { - if (stop == null) { - stop = start || 0; - start = 0; - } - step = step || 1; - - var length = Math.max(Math.ceil((stop - start) / step), 0); - var range = Array(length); - - for (var idx = 0; idx < length; idx++, start += step) { - range[idx] = start; - } - - return range; - }; - - // Function (ahem) Functions - // ------------------ - - // Determines whether to execute a function as a constructor - // or a normal function with the provided arguments - var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) { - if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args); - var self = baseCreate(sourceFunc.prototype); - var result = sourceFunc.apply(self, args); - if (_.isObject(result)) return result; - return self; - }; - - // Create a function bound to a given object (assigning `this`, and arguments, - // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if - // available. - _.bind = function(func, context) { - if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1)); - if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function'); - var args = slice.call(arguments, 2); - var bound = function() { - return executeBound(func, bound, context, this, args.concat(slice.call(arguments))); - }; - return bound; - }; - - // Partially apply a function by creating a version that has had some of its - // arguments pre-filled, without changing its dynamic `this` context. _ acts - // as a placeholder, allowing any combination of arguments to be pre-filled. - _.partial = function(func) { - var boundArgs = slice.call(arguments, 1); - var bound = function() { - var position = 0, length = boundArgs.length; - var args = Array(length); - for (var i = 0; i < length; i++) { - args[i] = boundArgs[i] === _ ? arguments[position++] : boundArgs[i]; - } - while (position < arguments.length) args.push(arguments[position++]); - return executeBound(func, bound, this, this, args); - }; - return bound; - }; - - // Bind a number of an object's methods to that object. Remaining arguments - // are the method names to be bound. Useful for ensuring that all callbacks - // defined on an object belong to it. - _.bindAll = function(obj) { - var i, length = arguments.length, key; - if (length <= 1) throw new Error('bindAll must be passed function names'); - for (i = 1; i < length; i++) { - key = arguments[i]; - obj[key] = _.bind(obj[key], obj); - } - return obj; - }; - - // Memoize an expensive function by storing its results. - _.memoize = function(func, hasher) { - var memoize = function(key) { - var cache = memoize.cache; - var address = '' + (hasher ? hasher.apply(this, arguments) : key); - if (!_.has(cache, address)) cache[address] = func.apply(this, arguments); - return cache[address]; - }; - memoize.cache = {}; - return memoize; - }; - - // Delays a function for the given number of milliseconds, and then calls - // it with the arguments supplied. - _.delay = function(func, wait) { - var args = slice.call(arguments, 2); - return setTimeout(function(){ - return func.apply(null, args); - }, wait); - }; - - // Defers a function, scheduling it to run after the current call stack has - // cleared. - _.defer = _.partial(_.delay, _, 1); - - // Returns a function, that, when invoked, will only be triggered at most once - // during a given window of time. Normally, the throttled function will run - // as much as it can, without ever going more than once per `wait` duration; - // but if you'd like to disable the execution on the leading edge, pass - // `{leading: false}`. To disable execution on the trailing edge, ditto. - _.throttle = function(func, wait, options) { - var context, args, result; - var timeout = null; - var previous = 0; - if (!options) options = {}; - var later = function() { - previous = options.leading === false ? 0 : _.now(); - timeout = null; - result = func.apply(context, args); - if (!timeout) context = args = null; - }; - return function() { - var now = _.now(); - if (!previous && options.leading === false) previous = now; - var remaining = wait - (now - previous); - context = this; - args = arguments; - if (remaining <= 0 || remaining > wait) { - if (timeout) { - clearTimeout(timeout); - timeout = null; - } - previous = now; - result = func.apply(context, args); - if (!timeout) context = args = null; - } else if (!timeout && options.trailing !== false) { - timeout = setTimeout(later, remaining); - } - return result; - }; - }; - - // Returns a function, that, as long as it continues to be invoked, will not - // be triggered. The function will be called after it stops being called for - // N milliseconds. If `immediate` is passed, trigger the function on the - // leading edge, instead of the trailing. - _.debounce = function(func, wait, immediate) { - var timeout, args, context, timestamp, result; - - var later = function() { - var last = _.now() - timestamp; - - if (last < wait && last >= 0) { - timeout = setTimeout(later, wait - last); - } else { - timeout = null; - if (!immediate) { - result = func.apply(context, args); - if (!timeout) context = args = null; - } - } - }; - - return function() { - context = this; - args = arguments; - timestamp = _.now(); - var callNow = immediate && !timeout; - if (!timeout) timeout = setTimeout(later, wait); - if (callNow) { - result = func.apply(context, args); - context = args = null; - } - - return result; - }; - }; - - // Returns the first function passed as an argument to the second, - // allowing you to adjust arguments, run code before and after, and - // conditionally execute the original function. - _.wrap = function(func, wrapper) { - return _.partial(wrapper, func); - }; - - // Returns a negated version of the passed-in predicate. - _.negate = function(predicate) { - return function() { - return !predicate.apply(this, arguments); - }; - }; - - // Returns a function that is the composition of a list of functions, each - // consuming the return value of the function that follows. - _.compose = function() { - var args = arguments; - var start = args.length - 1; - return function() { - var i = start; - var result = args[start].apply(this, arguments); - while (i--) result = args[i].call(this, result); - return result; - }; - }; - - // Returns a function that will only be executed on and after the Nth call. - _.after = function(times, func) { - return function() { - if (--times < 1) { - return func.apply(this, arguments); - } - }; - }; - - // Returns a function that will only be executed up to (but not including) the Nth call. - _.before = function(times, func) { - var memo; - return function() { - if (--times > 0) { - memo = func.apply(this, arguments); - } - if (times <= 1) func = null; - return memo; - }; - }; - - // Returns a function that will be executed at most one time, no matter how - // often you call it. Useful for lazy initialization. - _.once = _.partial(_.before, 2); - - // Object Functions - // ---------------- - - // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed. - var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString'); - var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString', - 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString']; - - function collectNonEnumProps(obj, keys) { - var nonEnumIdx = nonEnumerableProps.length; - var constructor = obj.constructor; - var proto = (_.isFunction(constructor) && constructor.prototype) || ObjProto; - - // Constructor is a special case. - var prop = 'constructor'; - if (_.has(obj, prop) && !_.contains(keys, prop)) keys.push(prop); - - while (nonEnumIdx--) { - prop = nonEnumerableProps[nonEnumIdx]; - if (prop in obj && obj[prop] !== proto[prop] && !_.contains(keys, prop)) { - keys.push(prop); - } - } - } - - // Retrieve the names of an object's own properties. - // Delegates to **ECMAScript 5**'s native `Object.keys` - _.keys = function(obj) { - if (!_.isObject(obj)) return []; - if (nativeKeys) return nativeKeys(obj); - var keys = []; - for (var key in obj) if (_.has(obj, key)) keys.push(key); - // Ahem, IE < 9. - if (hasEnumBug) collectNonEnumProps(obj, keys); - return keys; - }; - - // Retrieve all the property names of an object. - _.allKeys = function(obj) { - if (!_.isObject(obj)) return []; - var keys = []; - for (var key in obj) keys.push(key); - // Ahem, IE < 9. - if (hasEnumBug) collectNonEnumProps(obj, keys); - return keys; - }; - - // Retrieve the values of an object's properties. - _.values = function(obj) { - var keys = _.keys(obj); - var length = keys.length; - var values = Array(length); - for (var i = 0; i < length; i++) { - values[i] = obj[keys[i]]; - } - return values; - }; - - // Returns the results of applying the iteratee to each element of the object - // In contrast to _.map it returns an object - _.mapObject = function(obj, iteratee, context) { - iteratee = cb(iteratee, context); - var keys = _.keys(obj), - length = keys.length, - results = {}, - currentKey; - for (var index = 0; index < length; index++) { - currentKey = keys[index]; - results[currentKey] = iteratee(obj[currentKey], currentKey, obj); - } - return results; - }; - - // Convert an object into a list of `[key, value]` pairs. - _.pairs = function(obj) { - var keys = _.keys(obj); - var length = keys.length; - var pairs = Array(length); - for (var i = 0; i < length; i++) { - pairs[i] = [keys[i], obj[keys[i]]]; - } - return pairs; - }; - - // Invert the keys and values of an object. The values must be serializable. - _.invert = function(obj) { - var result = {}; - var keys = _.keys(obj); - for (var i = 0, length = keys.length; i < length; i++) { - result[obj[keys[i]]] = keys[i]; - } - return result; - }; - - // Return a sorted list of the function names available on the object. - // Aliased as `methods` - _.functions = _.methods = function(obj) { - var names = []; - for (var key in obj) { - if (_.isFunction(obj[key])) names.push(key); - } - return names.sort(); - }; - - // Extend a given object with all the properties in passed-in object(s). - _.extend = createAssigner(_.allKeys); - - // Assigns a given object with all the own properties in the passed-in object(s) - // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign) - _.extendOwn = _.assign = createAssigner(_.keys); - - // Returns the first key on an object that passes a predicate test - _.findKey = function(obj, predicate, context) { - predicate = cb(predicate, context); - var keys = _.keys(obj), key; - for (var i = 0, length = keys.length; i < length; i++) { - key = keys[i]; - if (predicate(obj[key], key, obj)) return key; - } - }; - - // Return a copy of the object only containing the whitelisted properties. - _.pick = function(object, oiteratee, context) { - var result = {}, obj = object, iteratee, keys; - if (obj == null) return result; - if (_.isFunction(oiteratee)) { - keys = _.allKeys(obj); - iteratee = optimizeCb(oiteratee, context); - } else { - keys = flatten(arguments, false, false, 1); - iteratee = function(value, key, obj) { return key in obj; }; - obj = Object(obj); - } - for (var i = 0, length = keys.length; i < length; i++) { - var key = keys[i]; - var value = obj[key]; - if (iteratee(value, key, obj)) result[key] = value; - } - return result; - }; - - // Return a copy of the object without the blacklisted properties. - _.omit = function(obj, iteratee, context) { - if (_.isFunction(iteratee)) { - iteratee = _.negate(iteratee); - |
