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Comparing version 1.9.2 to 1.10.0

modules/.eslintrc
modules/index-all.js
modules/index-default.js
modules/index.js
underscore.js.map

38

package.json

@@ -18,8 +18,11 @@ {

"main": "underscore.js",
"version": "1.9.2",
"module": "modules/index-all.js",
"version": "1.10.0",
"devDependencies": {
"coveralls": "^2.11.2",
"docco": "*",
"eslint": "1.10.x",
"eslint": "^6.8.0",
"eslint-plugin-import": "^2.20.1",
"gzip-size-cli": "^1.0.0",
"husky": "^4.2.3",
"karma": "^0.13.13",

@@ -30,4 +33,5 @@ "karma-qunit": "~2.0.1",

"pretty-bytes-cli": "^1.0.0",
"qunit": "^2.6.0",
"qunit-cli": "~0.2.0",
"qunit": "^2.6.0",
"rollup": "^0.59.4",
"uglify-js": "3.3.21"

@@ -39,9 +43,13 @@ },

"coveralls": "nyc npm run test-node && nyc report --reporter=text-lcov | coveralls",
"lint": "eslint underscore.js test/*.js",
"test-node": "qunit-cli test/*.js",
"test-browser": "npm i karma-phantomjs-launcher && karma start",
"lint": "eslint modules/*.js test/*.js",
"test-node": "npm run prepare-tests && qunit-cli test/*.js",
"test-browser": "npm run prepare-tests && npm i karma-phantomjs-launcher && karma start",
"bundle": "rollup --config && eslint underscore.js",
"bundle-treeshake": "cd test-treeshake && npx rollup@latest --config",
"prepare-tests": "npm run bundle && npm run bundle-treeshake",
"minify": "uglifyjs underscore.js -c \"evaluate=false\" --comments \"/ .*/\" -m",
"build": "npm run minify -- --source-map --source-map-url \" \" -o underscore-min.js",
"doc": "docco underscore.js",
"weight": "npm run minify | gzip-size | pretty-bytes"
"build": "npm run bundle && npm run minify -- --source-map content=underscore.js.map --source-map-url \" \" -o underscore-min.js",
"doc": "cd docs && rollup -c && docco -o . underscore.js",
"weight": "npm run bundle && npm run minify | gzip-size | pretty-bytes",
"prepublishOnly": "npm run build && npm run doc"
},

@@ -51,5 +59,13 @@ "license": "MIT",

"underscore.js",
"underscore.js.map",
"underscore-min.js",
"underscore-min.js.map"
]
"underscore-min.js.map",
"modules/"
],
"husky": {
"hooks": {
"pre-commit": "npm run bundle && git add underscore.js underscore.js.map",
"post-commit": "git reset underscore.js underscore.js.map"
}
}
}

7

underscore-min.js

@@ -1,5 +0,6 @@

// Underscore.js 1.9.2
!function(n,r){var t,e;"object"==typeof exports&&"undefined"!=typeof module?module.exports=r():"function"==typeof define&&define.amd?define("underscore",r):(t=n._,e=r(),(n._=e).noConflict=function(){return n._=t,e})}(this,function(){
// Underscore.js 1.10.0
// https://underscorejs.org
// (c) 2009-2018 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// (c) 2009-2020 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Underscore may be freely distributed under the MIT license.
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1073

underscore.js

@@ -1,7 +0,16 @@

// Underscore.js 1.9.2
// https://underscorejs.org
// (c) 2009-2018 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Underscore may be freely distributed under the MIT license.
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define('underscore', factory) :
(function() {
var current = global._;
var exports = factory();
global._ = exports;
exports.noConflict = function() { global._ = current; return exports; };
})();
}(this, (function () {
(function() {
// Underscore.js 1.10.0
// https://underscorejs.org
// (c) 2009-2020 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Underscore may be freely distributed under the MIT license.

@@ -16,8 +25,5 @@ // Baseline setup

typeof global == 'object' && global.global === global && global ||
this ||
Function('return this')() ||
{};
// Save the previous value of the `_` variable.
var previousUnderscore = root._;
// Save bytes in the minified (but not gzipped) version:

@@ -39,28 +45,19 @@ var ArrayProto = Array.prototype, ObjProto = Object.prototype;

// Create references to these builtin functions because we override them.
var _isNaN = root.isNaN,
_isFinite = root.isFinite;
// Naked function reference for surrogate-prototype-swapping.
var Ctor = function(){};
// Create a safe reference to the Underscore object for use below.
var _ = function(obj) {
// The Underscore object. All exported functions below are added to it in the
// modules/index-all.js using the mixin function.
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 their old module API. If we're in
// the browser, add `_` as a global object.
// (`nodeType` is checked to ensure that `module`
// and `exports` are not HTML elements.)
if (typeof exports != 'undefined' && !exports.nodeType) {
if (typeof module != 'undefined' && !module.nodeType && module.exports) {
exports = module.exports = _;
}
exports._ = _;
} else {
root._ = _;
}
// Current version.
_.VERSION = '1.9.2';
var VERSION = _.VERSION = '1.10.0';

@@ -70,3 +67,3 @@ // Internal function that returns an efficient (for current engines) version

// functions.
var optimizeCb = function(func, context, argCount) {
function optimizeCb(func, context, argCount) {
if (context === void 0) return func;

@@ -88,16 +85,13 @@ switch (argCount == null ? 3 : argCount) {

};
};
}
var builtinIteratee;
// An 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 (_.iteratee !== builtinIteratee) return _.iteratee(value, context);
if (value == null) return _.identity;
if (_.isFunction(value)) return optimizeCb(value, context, argCount);
if (_.isObject(value) && !_.isArray(value)) return _.matcher(value);
return _.property(value);
};
function baseIteratee(value, context, argCount) {
if (value == null) return identity;
if (isFunction(value)) return optimizeCb(value, context, argCount);
if (isObject(value) && !isArray(value)) return matcher(value);
return property(value);
}

@@ -107,6 +101,14 @@ // External wrapper for our callback generator. Users may customize

// This abstraction hides the internal-only argCount argument.
_.iteratee = builtinIteratee = function(value, context) {
return cb(value, context, Infinity);
};
_.iteratee = iteratee;
function iteratee(value, context) {
return baseIteratee(value, context, Infinity);
}
// The function we actually call internally. It invokes _.iteratee if
// overridden, otherwise baseIteratee.
function cb(value, context, argCount) {
if (_.iteratee !== iteratee) return _.iteratee(value, context);
return baseIteratee(value, context, argCount);
}
// Some functions take a variable number of arguments, or a few expected

@@ -117,3 +119,3 @@ // arguments at the beginning and then a variable number of values to operate

// the last argument. Similar to ES6’s "rest parameter".
var restArguments = function(func, startIndex) {
function restArguments(func, startIndex) {
startIndex = startIndex == null ? func.length - 1 : +startIndex;

@@ -139,7 +141,7 @@ return function() {

};
};
}
// An internal function for creating a new object that inherits from another.
var baseCreate = function(prototype) {
if (!_.isObject(prototype)) return {};
function baseCreate(prototype) {
if (!isObject(prototype)) return {};
if (nativeCreate) return nativeCreate(prototype);

@@ -150,15 +152,15 @@ Ctor.prototype = prototype;

return result;
};
}
var shallowProperty = function(key) {
function shallowProperty(key) {
return function(obj) {
return obj == null ? void 0 : obj[key];
};
};
}
var has = function(obj, path) {
function _has(obj, path) {
return obj != null && hasOwnProperty.call(obj, path);
}
var deepGet = function(obj, path) {
function deepGet(obj, path) {
var length = path.length;

@@ -170,3 +172,3 @@ for (var i = 0; i < length; i++) {

return length ? obj : void 0;
};
}

@@ -179,6 +181,6 @@ // Helper for collection methods to determine whether a collection

var getLength = shallowProperty('length');
var isArrayLike = function(collection) {
function isArrayLike(collection) {
var length = getLength(collection);
return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX;
};
}

@@ -191,3 +193,3 @@ // Collection Functions

// sparse array-likes as if they were dense.
_.each = _.forEach = function(obj, iteratee, context) {
function each(obj, iteratee, context) {
iteratee = optimizeCb(iteratee, context);

@@ -200,37 +202,37 @@ var i, length;

} else {
var keys = _.keys(obj);
for (i = 0, length = keys.length; i < length; i++) {
iteratee(obj[keys[i]], keys[i], obj);
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) {
function map(obj, iteratee, context) {
iteratee = cb(iteratee, context);
var keys = !isArrayLike(obj) && _.keys(obj),
length = (keys || obj).length,
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;
var currentKey = _keys ? _keys[index] : index;
results[index] = iteratee(obj[currentKey], currentKey, obj);
}
return results;
};
}
// Create a reducing function iterating left or right.
var createReduce = function(dir) {
function createReduce(dir) {
// Wrap code that reassigns argument variables in a separate function than
// the one that accesses `arguments.length` to avoid a perf hit. (#1991)
var reducer = function(obj, iteratee, memo, initial) {
var keys = !isArrayLike(obj) && _.keys(obj),
length = (keys || obj).length,
var _keys = !isArrayLike(obj) && keys(obj),
length = (_keys || obj).length,
index = dir > 0 ? 0 : length - 1;
if (!initial) {
memo = obj[keys ? keys[index] : index];
memo = obj[_keys ? _keys[index] : index];
index += dir;
}
for (; index >= 0 && index < length; index += dir) {
var currentKey = keys ? keys[index] : index;
var currentKey = _keys ? _keys[index] : index;
memo = iteratee(memo, obj[currentKey], currentKey, obj);

@@ -245,78 +247,74 @@ }

};
};
}
// **Reduce** builds up a single result from a list of values, aka `inject`,
// or `foldl`.
_.reduce = _.foldl = _.inject = createReduce(1);
var reduce = createReduce(1);
// The right-associative version of reduce, also known as `foldr`.
_.reduceRight = _.foldr = createReduce(-1);
var reduceRight = createReduce(-1);
// Return the first value which passes a truth test. Aliased as `detect`.
_.find = _.detect = function(obj, predicate, context) {
var keyFinder = isArrayLike(obj) ? _.findIndex : _.findKey;
// Return the first value which passes a truth test.
function find(obj, predicate, context) {
var keyFinder = isArrayLike(obj) ? findIndex : findKey;
var key = keyFinder(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) {
function filter(obj, predicate, context) {
var results = [];
predicate = cb(predicate, context);
_.each(obj, function(value, index, list) {
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);
};
function reject(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) {
function every(obj, predicate, context) {
predicate = cb(predicate, context);
var keys = !isArrayLike(obj) && _.keys(obj),
length = (keys || obj).length;
var _keys = !isArrayLike(obj) && keys(obj),
length = (_keys || obj).length;
for (var index = 0; index < length; index++) {
var currentKey = keys ? keys[index] : 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) {
function some(obj, predicate, context) {
predicate = cb(predicate, context);
var keys = !isArrayLike(obj) && _.keys(obj),
length = (keys || obj).length;
var _keys = !isArrayLike(obj) && keys(obj),
length = (_keys || obj).length;
for (var index = 0; index < length; index++) {
var currentKey = keys ? keys[index] : 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);
function contains(obj, item, fromIndex, guard) {
if (!isArrayLike(obj)) obj = values(obj);
if (typeof fromIndex != 'number' || guard) fromIndex = 0;
return _.indexOf(obj, item, fromIndex) >= 0;
};
return indexOf(obj, item, fromIndex) >= 0;
}
// Invoke a method (with arguments) on every item in a collection.
_.invoke = restArguments(function(obj, path, args) {
var invoke = restArguments(function(obj, path, args) {
var contextPath, func;
if (_.isFunction(path)) {
if (isFunction(path)) {
func = path;
} else if (_.isArray(path)) {
} else if (isArray(path)) {
contextPath = path.slice(0, -1);
path = path[path.length - 1];
}
return _.map(obj, function(context) {
return map(obj, function(context) {
var method = func;

@@ -335,24 +333,24 @@ if (!method) {

// Convenience version of a common use case of `map`: fetching a property.
_.pluck = function(obj, key) {
return _.map(obj, _.property(key));
};
function pluck(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));
};
function where(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));
};
function findWhere(obj, attrs) {
return find(obj, matcher(attrs));
}
// Return the maximum element (or element-based computation).
_.max = function(obj, iteratee, context) {
function max(obj, iteratee, context) {
var result = -Infinity, lastComputed = -Infinity,
value, computed;
if (iteratee == null || typeof iteratee == 'number' && typeof obj[0] != 'object' && obj != null) {
obj = isArrayLike(obj) ? obj : _.values(obj);
obj = isArrayLike(obj) ? obj : values(obj);
for (var i = 0, length = obj.length; i < length; i++) {

@@ -366,3 +364,3 @@ value = obj[i];

iteratee = cb(iteratee, context);
_.each(obj, function(v, index, list) {
each(obj, function(v, index, list) {
computed = iteratee(v, index, list);

@@ -376,10 +374,10 @@ if (computed > lastComputed || computed === -Infinity && result === -Infinity) {

return result;
};
}
// Return the minimum element (or element-based computation).
_.min = function(obj, iteratee, context) {
function min(obj, iteratee, context) {
var result = Infinity, lastComputed = Infinity,
value, computed;
if (iteratee == null || typeof iteratee == 'number' && typeof obj[0] != 'object' && obj != null) {
obj = isArrayLike(obj) ? obj : _.values(obj);
obj = isArrayLike(obj) ? obj : values(obj);
for (var i = 0, length = obj.length; i < length; i++) {

@@ -393,3 +391,3 @@ value = obj[i];

iteratee = cb(iteratee, context);
_.each(obj, function(v, index, list) {
each(obj, function(v, index, list) {
computed = iteratee(v, index, list);

@@ -403,8 +401,8 @@ if (computed < lastComputed || computed === Infinity && result === Infinity) {

return result;
};
}
// Shuffle a collection.
_.shuffle = function(obj) {
return _.sample(obj, Infinity);
};
function shuffle(obj) {
return sample(obj, Infinity);
}

@@ -415,8 +413,8 @@ // Sample **n** random values from a collection using the modern version of the

// The internal `guard` argument allows it to work with `map`.
_.sample = function(obj, n, guard) {
function sample(obj, n, guard) {
if (n == null || guard) {
if (!isArrayLike(obj)) obj = _.values(obj);
return obj[_.random(obj.length - 1)];
if (!isArrayLike(obj)) obj = values(obj);
return obj[random(obj.length - 1)];
}
var sample = isArrayLike(obj) ? _.clone(obj) : _.values(obj);
var sample = isArrayLike(obj) ? clone(obj) : values(obj);
var length = getLength(sample);

@@ -426,3 +424,3 @@ n = Math.max(Math.min(n, length), 0);

for (var index = 0; index < n; index++) {
var rand = _.random(index, last);
var rand = random(index, last);
var temp = sample[index];

@@ -433,9 +431,9 @@ sample[index] = sample[rand];

return sample.slice(0, n);
};
}
// Sort the object's values by a criterion produced by an iteratee.
_.sortBy = function(obj, iteratee, context) {
function sortBy(obj, iteratee, context) {
var index = 0;
iteratee = cb(iteratee, context);
return _.pluck(_.map(obj, function(value, key, list) {
return pluck(map(obj, function(value, key, list) {
return {

@@ -455,10 +453,10 @@ value: value,

}), 'value');
};
}
// An internal function used for aggregate "group by" operations.
var group = function(behavior, partition) {
function group(behavior, partition) {
return function(obj, iteratee, context) {
var result = partition ? [[], []] : {};
iteratee = cb(iteratee, context);
_.each(obj, function(value, index) {
each(obj, function(value, index) {
var key = iteratee(value, index, obj);

@@ -469,8 +467,8 @@ behavior(result, value, key);

};
};
}
// 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];
var groupBy = group(function(result, value, key) {
if (_has(result, key)) result[key].push(value); else result[key] = [value];
});

@@ -480,3 +478,3 @@

// when you know that your index values will be unique.
_.indexBy = group(function(result, value, key) {
var indexBy = group(function(result, value, key) {
result[key] = value;

@@ -488,4 +486,4 @@ });

// criterion.
_.countBy = group(function(result, value, key) {
if (has(result, key)) result[key]++; else result[key] = 1;
var countBy = group(function(result, value, key) {
if (_has(result, key)) result[key]++; else result[key] = 1;
});

@@ -495,22 +493,22 @@

// Safely create a real, live array from anything iterable.
_.toArray = function(obj) {
function toArray(obj) {
if (!obj) return [];
if (_.isArray(obj)) return slice.call(obj);
if (_.isString(obj)) {
if (isArray(obj)) return slice.call(obj);
if (isString(obj)) {
// Keep surrogate pair characters together
return obj.match(reStrSymbol);
}
if (isArrayLike(obj)) return _.map(obj, _.identity);
return _.values(obj);
};
if (isArrayLike(obj)) return map(obj, identity);
return values(obj);
}
// Return the number of elements in an object.
_.size = function(obj) {
function size(obj) {
if (obj == null) return 0;
return isArrayLike(obj) ? obj.length : _.keys(obj).length;
};
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 = group(function(result, value, pass) {
var partition = group(function(result, value, pass) {
result[pass ? 0 : 1].push(value);

@@ -523,9 +521,8 @@ }, true);

// 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) {
// values in the array. The **guard** check allows it to work with `map`.
function first(array, n, guard) {
if (array == null || array.length < 1) return n == null ? void 0 : [];
if (n == null || guard) return array[0];
return _.initial(array, array.length - n);
};
return initial(array, array.length - n);
}

@@ -535,28 +532,28 @@ // Returns everything but the last entry of the array. Especially useful on

// the array, excluding the last N.
_.initial = function(array, n, guard) {
function initial(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) {
function last(array, n, guard) {
if (array == null || array.length < 1) return n == null ? void 0 : [];
if (n == null || guard) return array[array.length - 1];
return _.rest(array, Math.max(0, array.length - n));
};
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) {
// Returns everything but the first entry of the array. Especially useful on
// the arguments object. Passing an **n** will return the rest N values in the
// array.
function rest(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, Boolean);
};
function compact(array) {
return filter(array, Boolean);
}
// Internal implementation of a recursive `flatten` function.
var flatten = function(input, shallow, strict, output) {
function _flatten(input, shallow, strict, output) {
output = output || [];

@@ -566,3 +563,3 @@ var idx = output.length;

var value = input[i];
if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) {
if (isArrayLike(value) && (isArray(value) || isArguments(value))) {
// Flatten current level of array or arguments object.

@@ -573,3 +570,3 @@ if (shallow) {

} else {
flatten(value, shallow, strict, output);
_flatten(value, shallow, strict, output);
idx = output.length;

@@ -582,12 +579,12 @@ }

return output;
};
}
// Flatten out an array, either recursively (by default), or just one level.
_.flatten = function(array, shallow) {
return flatten(array, shallow, false);
};
function flatten(array, shallow) {
return _flatten(array, shallow, false);
}
// Return a version of the array that does not contain the specified value(s).
_.without = restArguments(function(array, otherArrays) {
return _.difference(array, otherArrays);
var without = restArguments(function(array, otherArrays) {
return difference(array, otherArrays);
});

@@ -600,5 +597,4 @@

// the faster algorithm.
// Aliased as `unique`.
_.uniq = _.unique = function(array, isSorted, iteratee, context) {
if (!_.isBoolean(isSorted)) {
function uniq(array, isSorted, iteratee, context) {
if (!isBoolean(isSorted)) {
context = iteratee;

@@ -618,7 +614,7 @@ iteratee = isSorted;

} else if (iteratee) {
if (!_.contains(seen, computed)) {
if (!contains(seen, computed)) {
seen.push(computed);
result.push(value);
}
} else if (!_.contains(result, value)) {
} else if (!contains(result, value)) {
result.push(value);

@@ -628,8 +624,8 @@ }

return result;
};
}
// Produce an array that contains the union: each distinct element from all of
// the passed-in arrays.
_.union = restArguments(function(arrays) {
return _.uniq(flatten(arrays, true, true));
var union = restArguments(function(arrays) {
return uniq(_flatten(arrays, true, true));
});

@@ -639,3 +635,3 @@

// passed-in arrays.
_.intersection = function(array) {
function intersection(array) {
var result = [];

@@ -645,6 +641,6 @@ var argsLength = arguments.length;

var item = array[i];
if (_.contains(result, item)) continue;
if (contains(result, item)) continue;
var j;
for (j = 1; j < argsLength; j++) {
if (!_.contains(arguments[j], item)) break;
if (!contains(arguments[j], item)) break;
}

@@ -654,33 +650,33 @@ 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 = restArguments(function(array, rest) {
rest = flatten(rest, true, true);
return _.filter(array, function(value){
return !_.contains(rest, value);
var difference = restArguments(function(array, rest) {
rest = _flatten(rest, true, true);
return filter(array, function(value){
return !contains(rest, value);
});
});
// Complement of _.zip. Unzip accepts an array of arrays and groups
// 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;
function unzip(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);
result[index] = pluck(array, index);
}
return result;
};
}
// Zip together multiple lists into a single array -- elements that share
// an index go together.
_.zip = restArguments(_.unzip);
var zip = restArguments(unzip);
// 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. Passing by pairs is the reverse of _.pairs.
_.object = function(list, values) {
// the corresponding values. Passing by pairs is the reverse of pairs.
function object(list, values) {
var result = {};

@@ -695,6 +691,6 @@ for (var i = 0, length = getLength(list); i < length; i++) {

return result;
};
}
// Generator function to create the findIndex and findLastIndex functions.
var createPredicateIndexFinder = function(dir) {
function createPredicateIndexFinder(dir) {
return function(array, predicate, context) {

@@ -709,11 +705,11 @@ predicate = cb(predicate, context);

};
};
}
// Returns the first index on an array-like that passes a predicate test.
_.findIndex = createPredicateIndexFinder(1);
_.findLastIndex = createPredicateIndexFinder(-1);
var findIndex = createPredicateIndexFinder(1);
var 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) {
function sortedIndex(array, obj, iteratee, context) {
iteratee = cb(iteratee, context, 1);

@@ -727,6 +723,6 @@ var value = iteratee(obj);

return low;
};
}
// Generator function to create the indexOf and lastIndexOf functions.
var createIndexFinder = function(dir, predicateFind, sortedIndex) {
function createIndexFinder(dir, predicateFind, sortedIndex) {
return function(array, item, idx) {

@@ -745,3 +741,3 @@ var i = 0, length = getLength(array);

if (item !== item) {
idx = predicateFind(slice.call(array, i, length), _.isNaN);
idx = predicateFind(slice.call(array, i, length), isNaN);
return idx >= 0 ? idx + i : -1;

@@ -754,3 +750,3 @@ }

};
};
}

@@ -761,4 +757,4 @@ // Return the position of the first occurrence of an item in an array,

// for **isSorted** to use binary search.
_.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex);
_.lastIndexOf = createIndexFinder(-1, _.findLastIndex);
var indexOf = createIndexFinder(1, findIndex, sortedIndex);
var lastIndexOf = createIndexFinder(-1, findLastIndex);

@@ -768,3 +764,3 @@ // Generate an integer Array containing an arithmetic progression. A port of

// [the Python documentation](https://docs.python.org/library/functions.html#range).
_.range = function(start, stop, step) {
function range(start, stop, step) {
if (stop == null) {

@@ -786,7 +782,7 @@ stop = start || 0;

return range;
};
}
// Chunk a single array into multiple arrays, each containing `count` or fewer
// items.
_.chunk = function(array, count) {
function chunk(array, count) {
if (count == null || count < 1) return [];

@@ -799,3 +795,3 @@ var result = [];

return result;
};
}

@@ -807,9 +803,9 @@ // Function (ahem) Functions

// or a normal function with the provided arguments.
var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) {
function executeBound(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;
if (isObject(result)) return result;
return self;
};
}

@@ -819,4 +815,4 @@ // Create a function bound to a given object (assigning `this`, and arguments,

// available.
_.bind = restArguments(function(func, context, args) {
if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function');
var bind = restArguments(function(func, context, args) {
if (!isFunction(func)) throw new TypeError('Bind must be called on a function');
var bound = restArguments(function(callArgs) {

@@ -831,5 +827,5 @@ return executeBound(func, bound, context, this, args.concat(callArgs));

// as a placeholder by default, allowing any combination of arguments to be
// pre-filled. Set `_.partial.placeholder` for a custom placeholder argument.
_.partial = restArguments(function(func, boundArgs) {
var placeholder = _.partial.placeholder;
// pre-filled. Set `partial.placeholder` for a custom placeholder argument.
var partial = restArguments(function(func, boundArgs) {
var placeholder = partial.placeholder;
var bound = function() {

@@ -847,3 +843,3 @@ var position = 0, length = boundArgs.length;

_.partial.placeholder = _;
partial.placeholder = _;

@@ -853,9 +849,9 @@ // Bind a number of an object's methods to that object. Remaining arguments

// defined on an object belong to it.
_.bindAll = restArguments(function(obj, keys) {
keys = flatten(keys, false, false);
var index = keys.length;
var bindAll = restArguments(function(obj, _keys) {
_keys = _flatten(_keys, false, false);
var index = _keys.length;
if (index < 1) throw new Error('bindAll must be passed function names');
while (index--) {
var key = keys[index];
obj[key] = _.bind(obj[key], obj);
var key = _keys[index];
obj[key] = bind(obj[key], obj);
}

@@ -865,7 +861,7 @@ });

// Memoize an expensive function by storing its results.
_.memoize = function(func, hasher) {
function memoize(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);
if (!_has(cache, address)) cache[address] = func.apply(this, arguments);
return cache[address];

@@ -875,7 +871,7 @@ };

return memoize;
};
}
// Delays a function for the given number of milliseconds, and then calls
// it with the arguments supplied.
_.delay = restArguments(function(func, wait, args) {
var delay = restArguments(function(func, wait, args) {
return setTimeout(function() {

@@ -888,3 +884,3 @@ return func.apply(null, args);

// cleared.
_.defer = _.partial(_.delay, _, 1);
var defer = partial(delay, _, 1);

@@ -896,3 +892,3 @@ // Returns a function, that, when invoked, will only be triggered at most once

// `{leading: false}`. To disable execution on the trailing edge, ditto.
_.throttle = function(func, wait, options) {
function throttle(func, wait, options) {
var timeout, context, args, result;

@@ -903,3 +899,3 @@ var previous = 0;

var later = function() {
previous = options.leading === false ? 0 : _.now();
previous = options.leading === false ? 0 : now();
timeout = null;

@@ -911,5 +907,5 @@ result = func.apply(context, args);

var throttled = function() {
var now = _.now();
if (!previous && options.leading === false) previous = now;
var remaining = wait - (now - previous);
var _now = now();
if (!previous && options.leading === false) previous = _now;
var remaining = wait - (_now - previous);
context = this;

@@ -922,3 +918,3 @@ args = arguments;

}
previous = now;
previous = _now;
result = func.apply(context, args);

@@ -939,3 +935,3 @@ if (!timeout) context = args = null;

return throttled;
};
}

@@ -946,3 +942,3 @@ // Returns a function, that, as long as it continues to be invoked, will not

// leading edge, instead of the trailing.
_.debounce = function(func, wait, immediate) {
function debounce(func, wait, immediate) {
var timeout, result;

@@ -962,3 +958,3 @@

} else {
timeout = _.delay(later, wait, this, args);
timeout = delay(later, wait, this, args);
}

@@ -975,3 +971,3 @@

return debounced;
};
}

@@ -981,16 +977,16 @@ // Returns the first function passed as an argument to the second,

// conditionally execute the original function.
_.wrap = function(func, wrapper) {
return _.partial(wrapper, func);
};
function wrap(func, wrapper) {
return partial(wrapper, func);
}
// Returns a negated version of the passed-in predicate.
_.negate = function(predicate) {
function negate(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() {
function compose() {
var args = arguments;

@@ -1004,6 +1000,6 @@ var start = args.length - 1;

};
};
}
// Returns a function that will only be executed on and after the Nth call.
_.after = function(times, func) {
function after(times, func) {
return function() {

@@ -1014,6 +1010,6 @@ if (--times < 1) {

};
};
}
// Returns a function that will only be executed up to (but not including) the Nth call.
_.before = function(times, func) {
function before(times, func) {
var memo;

@@ -1027,10 +1023,8 @@ return function() {

};
};
}
// 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);
var once = partial(before, 2);
_.restArguments = restArguments;
// Object Functions

@@ -1044,100 +1038,99 @@ // ----------------

var collectNonEnumProps = function(obj, keys) {
function collectNonEnumProps(obj, _keys) {
var nonEnumIdx = nonEnumerableProps.length;
var constructor = obj.constructor;
var proto = _.isFunction(constructor) && constructor.prototype || ObjProto;
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);
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);
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 [];
function keys(obj) {
if (!isObject(obj)) return [];
if (nativeKeys) return nativeKeys(obj);
var keys = [];
for (var key in obj) if (has(obj, key)) keys.push(key);
var _keys = [];
for (var key in obj) if (_has(obj, key)) _keys.push(key);
// Ahem, IE < 9.
if (hasEnumBug) collectNonEnumProps(obj, keys);
return keys;
};
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);
function allKeys(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;
};
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;
function values(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]];
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) {
// In contrast to map it returns an object.
function mapObject(obj, iteratee, context) {
iteratee = cb(iteratee, context);
var keys = _.keys(obj),
length = keys.length,
var _keys = keys(obj),
length = _keys.length,
results = {};
for (var index = 0; index < length; index++) {
var currentKey = keys[index];
var currentKey = _keys[index];
results[currentKey] = iteratee(obj[currentKey], currentKey, obj);
}
return results;
};
}
// Convert an object into a list of `[key, value]` pairs.
// The opposite of _.object.
_.pairs = function(obj) {
var keys = _.keys(obj);
var length = keys.length;
// The opposite of object.
function pairs(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]]];
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) {
function invert(obj) {
var result = {};
var keys = _.keys(obj);
for (var i = 0, length = keys.length; i < length; i++) {
result[obj[keys[i]]] = keys[i];
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) {
function functions(obj) {
var names = [];
for (var key in obj) {
if (_.isFunction(obj[key])) names.push(key);
if (isFunction(obj[key])) names.push(key);
}
return names.sort();
};
}
// An internal function for creating assigner functions.
var createAssigner = function(keysFunc, defaults) {
function createAssigner(keysFunc, defaults) {
return function(obj) {

@@ -1149,6 +1142,6 @@ var length = arguments.length;

var source = arguments[index],
keys = keysFunc(source),
l = keys.length;
_keys = keysFunc(source),
l = _keys.length;
for (var i = 0; i < l; i++) {
var key = keys[i];
var key = _keys[i];
if (!defaults || obj[key] === void 0) obj[key] = source[key];

@@ -1159,40 +1152,40 @@ }

};
};
}
// Extend a given object with all the properties in passed-in object(s).
_.extend = createAssigner(_.allKeys);
var 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);
var extendOwn = createAssigner(keys);
// Returns the first key on an object that passes a predicate test.
_.findKey = function(obj, predicate, context) {
function findKey(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];
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;
}
};
}
// Internal pick helper function to determine if `obj` has key `key`.
var keyInObj = function(value, key, obj) {
function keyInObj(value, key, obj) {
return key in obj;
};
}
// Return a copy of the object only containing the whitelisted properties.
_.pick = restArguments(function(obj, keys) {
var result = {}, iteratee = keys[0];
var pick = restArguments(function(obj, _keys) {
var result = {}, iteratee = _keys[0];
if (obj == null) return result;
if (_.isFunction(iteratee)) {
if (keys.length > 1) iteratee = optimizeCb(iteratee, keys[1]);
keys = _.allKeys(obj);
if (isFunction(iteratee)) {
if (_keys.length > 1) iteratee = optimizeCb(iteratee, _keys[1]);
_keys = allKeys(obj);
} else {
iteratee = keyInObj;
keys = flatten(keys, false, false);
_keys = _flatten(_keys, false, false);
obj = Object(obj);
}
for (var i = 0, length = keys.length; i < length; i++) {
var key = keys[i];
for (var i = 0, length = _keys.length; i < length; i++) {
var key = _keys[i];
var value = obj[key];

@@ -1205,18 +1198,18 @@ if (iteratee(value, key, obj)) result[key] = value;

// Return a copy of the object without the blacklisted properties.
_.omit = restArguments(function(obj, keys) {
var iteratee = keys[0], context;
if (_.isFunction(iteratee)) {
iteratee = _.negate(iteratee);
if (keys.length > 1) context = keys[1];
var omit = restArguments(function(obj, _keys) {
var iteratee = _keys[0], context;
if (isFunction(iteratee)) {
iteratee = negate(iteratee);
if (_keys.length > 1) context = _keys[1];
} else {
keys = _.map(flatten(keys, false, false), String);
_keys = map(_flatten(_keys, false, false), String);
iteratee = function(value, key) {
return !_.contains(keys, key);
return !contains(_keys, key);
};
}
return _.pick(obj, iteratee, context);
return pick(obj, iteratee, context);
});
// Fill in a given object with default properties.
_.defaults = createAssigner(_.allKeys, true);
var defaults = createAssigner(allKeys, true);

@@ -1226,13 +1219,13 @@ // Creates an object that inherits from the given prototype object.

// created object.
_.create = function(prototype, props) {
function create(prototype, props) {
var result = baseCreate(prototype);
if (props) _.extendOwn(result, props);
if (props) extendOwn(result, props);
return result;
};
}
// Create a (shallow-cloned) duplicate of an object.
_.clone = function(obj) {
if (!_.isObject(obj)) return obj;
return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
};
function clone(obj) {
if (!isObject(obj)) return obj;
return isArray(obj) ? obj.slice() : extend({}, obj);
}

@@ -1242,23 +1235,22 @@ // Invokes interceptor with the obj, and then returns obj.

// order to perform operations on intermediate results within the chain.
_.tap = function(obj, interceptor) {
function tap(obj, interceptor) {
interceptor(obj);
return obj;
};
}
// Returns whether an object has a given set of `key:value` pairs.
_.isMatch = function(object, attrs) {
var keys = _.keys(attrs), length = keys.length;
function isMatch(object, attrs) {
var _keys = keys(attrs), length = _keys.length;
if (object == null) return !length;
var obj = Object(object);
for (var i = 0; i < length; i++) {
var key = keys[i];
var key = _keys[i];
if (attrs[key] !== obj[key] || !(key in obj)) return false;
}
return true;
};
}
// Internal recursive comparison function for `isEqual`.
var eq, deepEq;
eq = function(a, b, aStack, bStack) {
function eq(a, b, aStack, bStack) {
// Identical objects are equal. `0 === -0`, but they aren't identical.

@@ -1275,6 +1267,6 @@ // See the [Harmony `egal` proposal](https://wiki.ecmascript.org/doku.php?id=harmony:egal).

return deepEq(a, b, aStack, bStack);
};
}
// Internal recursive comparison function for `isEqual`.
deepEq = function(a, b, aStack, bStack) {
function deepEq(a, b, aStack, bStack) {
// Unwrap any wrapped objects.

@@ -1317,4 +1309,4 @@ if (a instanceof _) a = a._wrapped;

var aCtor = a.constructor, bCtor = b.constructor;
if (aCtor !== bCtor && !(_.isFunction(aCtor) && aCtor instanceof aCtor &&
_.isFunction(bCtor) && bCtor instanceof bCtor)
if (aCtor !== bCtor && !(isFunction(aCtor) && aCtor instanceof aCtor &&
isFunction(bCtor) && bCtor instanceof bCtor)
&& ('constructor' in a && 'constructor' in b)) {

@@ -1353,10 +1345,10 @@ return false;

// Deep compare objects.
var keys = _.keys(a), key;
length = keys.length;
var _keys = keys(a), key;
length = _keys.length;
// Ensure that both objects contain the same number of properties before comparing deep equality.
if (_.keys(b).length !== length) return false;
if (keys(b).length !== length) return false;
while (length--) {
// Deep compare each member
key = keys[length];
if (!(has(b, key) && eq(a[key], b[key], aStack, bStack))) return false;
key = _keys[length];
if (!(_has(b, key) && eq(a[key], b[key], aStack, bStack))) return false;
}

@@ -1368,48 +1360,62 @@ }

return true;
};
}
// Perform a deep comparison to check if two objects are equal.
_.isEqual = function(a, b) {
function isEqual(a, b) {
return eq(a, b);
};
}
// Is a given array, string, or object empty?
// An "empty" object has no enumerable own-properties.
_.isEmpty = function(obj) {
function isEmpty(obj) {
if (obj == null) return true;
if (isArrayLike(obj) && (_.isArray(obj) || _.isString(obj) || _.isArguments(obj))) return obj.length === 0;
return _.keys(obj).length === 0;
};
if (isArrayLike(obj) && (isArray(obj) || isString(obj) || isArguments(obj))) return obj.length === 0;
return keys(obj).length === 0;
}
// Is a given value a DOM element?
_.isElement = function(obj) {
function isElement(obj) {
return !!(obj && obj.nodeType === 1);
};
}
// Internal function for creating a toString-based type tester.
function tagTester(name) {
return function(obj) {
return toString.call(obj) === '[object ' + name + ']';
};
}
// Is a given value an array?
// Delegates to ECMA5's native Array.isArray
_.isArray = nativeIsArray || function(obj) {
return toString.call(obj) === '[object Array]';
};
var isArray = nativeIsArray || tagTester('Array');
// Is a given variable an object?
_.isObject = function(obj) {
function isObject(obj) {
var type = typeof obj;
return type === 'function' || type === 'object' && !!obj;
};
}
// Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError, isMap, isWeakMap, isSet, isWeakSet.
_.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error', 'Symbol', 'Map', 'WeakMap', 'Set', 'WeakSet'], function(name) {
_['is' + name] = function(obj) {
return toString.call(obj) === '[object ' + name + ']';
};
});
var isArguments = tagTester('Arguments');
var isFunction = tagTester('Function');
var isString = tagTester('String');
var isNumber = tagTester('Number');
var isDate = tagTester('Date');
var isRegExp = tagTester('RegExp');
var isError = tagTester('Error');
var isSymbol = tagTester('Symbol');
var isMap = tagTester('Map');
var isWeakMap = tagTester('WeakMap');
var isSet = tagTester('Set');
var isWeakSet = tagTester('WeakSet');
// Define a fallback version of the method in browsers (ahem, IE < 9), where
// there isn't any inspectable "Arguments" type.
if (!_.isArguments(arguments)) {
_.isArguments = function(obj) {
return has(obj, 'callee');
};
}
(function() {
if (!isArguments(arguments)) {
isArguments = function(obj) {
return _has(obj, 'callee');
};
}
}());

@@ -1420,3 +1426,3 @@ // Optimize `isFunction` if appropriate. Work around some typeof bugs in old v8,

if (typeof /./ != 'function' && typeof Int8Array != 'object' && typeof nodelist != 'function') {
_.isFunction = function(obj) {
isFunction = function(obj) {
return typeof obj == 'function' || false;

@@ -1427,31 +1433,31 @@ };

// Is a given object a finite number?
_.isFinite = function(obj) {
return !_.isSymbol(obj) && isFinite(obj) && !isNaN(parseFloat(obj));
};
function isFinite(obj) {
return !isSymbol(obj) && _isFinite(obj) && !_isNaN(parseFloat(obj));
}
// Is the given value `NaN`?
_.isNaN = function(obj) {
return _.isNumber(obj) && isNaN(obj);
};
function isNaN(obj) {
return isNumber(obj) && _isNaN(obj);
}
// Is a given value a boolean?
_.isBoolean = function(obj) {
function isBoolean(obj) {
return obj === true || obj === false || toString.call(obj) === '[object Boolean]';
};
}
// Is a given value equal to null?
_.isNull = function(obj) {
function isNull(obj) {
return obj === null;
};
}
// Is a given variable undefined?
_.isUndefined = function(obj) {
function isUndefined(obj) {
return obj === void 0;
};
}
// Shortcut function for checking if an object has a given property directly
// on itself (in other words, not on a prototype).
_.has = function(obj, path) {
if (!_.isArray(path)) {
return has(obj, path);
function has(obj, path) {
if (!isArray(path)) {
return _has(obj, path);
}

@@ -1467,3 +1473,3 @@ var length = path.length;

return !!length;
};
}

@@ -1473,27 +1479,20 @@ // Utility Functions

// Run Underscore.js in *noConflict* mode, returning the `_` variable to its
// previous owner. Returns a reference to the Underscore object.
_.noConflict = function() {
root._ = previousUnderscore;
return this;
};
// Keep the identity function around for default iteratees.
_.identity = function(value) {
function identity(value) {
return value;
};
}
// Predicate-generating functions. Often useful outside of Underscore.
_.constant = function(value) {
function constant(value) {
return function() {
return value;
};
};
}
_.noop = function(){};
function noop(){}
// Creates a function that, when passed an object, will traverse that object’s
// properties down the given `path`, specified as an array of keys or indexes.
_.property = function(path) {
if (!_.isArray(path)) {
function property(path) {
if (!isArray(path)) {
return shallowProperty(path);

@@ -1504,6 +1503,6 @@ }

};
};
}
// Generates a function for a given object that returns a given property.
_.propertyOf = function(obj) {
function propertyOf(obj) {
if (obj == null) {

@@ -1513,17 +1512,17 @@ return function(){};

return function(path) {
return !_.isArray(path) ? obj[path] : deepGet(obj, path);
return !isArray(path) ? obj[path] : deepGet(obj, path);
};
};
}
// Returns a predicate for checking whether an object has a given set of
// `key:value` pairs.
_.matcher = _.matches = function(attrs) {
attrs = _.extendOwn({}, attrs);
function matcher(attrs) {
attrs = extendOwn({}, attrs);
return function(obj) {
return _.isMatch(obj, attrs);
return isMatch(obj, attrs);
};
};
}
// Run a function **n** times.
_.times = function(n, iteratee, context) {
function times(n, iteratee, context) {
var accum = Array(Math.max(0, n));

@@ -1533,6 +1532,6 @@ iteratee = optimizeCb(iteratee, context, 1);

return accum;
};
}
// Return a random integer between min and max (inclusive).
_.random = function(min, max) {
function random(min, max) {
if (max == null) {

@@ -1543,6 +1542,6 @@ max = min;

return min + Math.floor(Math.random() * (max - min + 1));
};
}
// A (possibly faster) way to get the current timestamp as an integer.
_.now = Date.now || function() {
var now = Date.now || function() {
return new Date().getTime();

@@ -1560,6 +1559,6 @@ };

};
var unescapeMap = _.invert(escapeMap);
var unescapeMap = invert(escapeMap);
// Functions for escaping and unescaping strings to/from HTML interpolation.
var createEscaper = function(map) {
function createEscaper(map) {
var escaper = function(match) {

@@ -1569,3 +1568,3 @@ return map[match];

// Regexes for identifying a key that needs to be escaped.
var source = '(?:' + _.keys(map).join('|') + ')';
var source = '(?:' + keys(map).join('|') + ')';
var testRegexp = RegExp(source);

@@ -1577,5 +1576,5 @@ var replaceRegexp = RegExp(source, 'g');

};
};
_.escape = createEscaper(escapeMap);
_.unescape = createEscaper(unescapeMap);
}
var escape = createEscaper(escapeMap);
var unescape = createEscaper(unescapeMap);

@@ -1585,7 +1584,7 @@ // Traverses the children of `obj` along `path`. If a child is a function, it

// child, or `fallback` if any child is undefined.
_.result = function(obj, path, fallback) {
if (!_.isArray(path)) path = [path];
function result(obj, path, fallback) {
if (!isArray(path)) path = [path];
var length = path.length;
if (!length) {
return _.isFunction(fallback) ? fallback.call(obj) : fallback;
return isFunction(fallback) ? fallback.call(obj) : fallback;
}

@@ -1598,6 +1597,6 @@ for (var i = 0; i < length; i++) {

}
obj = _.isFunction(prop) ? prop.call(obj) : prop;
obj = isFunction(prop) ? prop.call(obj) : prop;
}
return obj;
};
}

@@ -1607,10 +1606,10 @@ // Generate a unique integer id (unique within the entire client session).

var idCounter = 0;
_.uniqueId = function(prefix) {
function uniqueId(prefix) {
var id = ++idCounter + '';
return prefix ? prefix + id : id;
};
}
// By default, Underscore uses ERB-style template delimiters, change the
// following template settings to use alternative delimiters.
_.templateSettings = {
var templateSettings = _.templateSettings = {
evaluate: /<%([\s\S]+?)%>/g,

@@ -1647,5 +1646,5 @@ interpolate: /<%=([\s\S]+?)%>/g,

// NB: `oldSettings` only exists for backwards compatibility.
_.template = function(text, settings, oldSettings) {
function template(text, settings, oldSettings) {
if (!settings && oldSettings) settings = oldSettings;
settings = _.defaults({}, settings, _.templateSettings);
settings = defaults({}, settings, _.templateSettings);

@@ -1703,10 +1702,10 @@ // Combine delimiters into one regular expression via alternation.

return template;
};
}
// Add a "chain" function. Start chaining a wrapped Underscore object.
_.chain = function(obj) {
function chain(obj) {
var instance = _(obj);
instance._chain = true;
return instance;
};
}

@@ -1720,9 +1719,9 @@ // OOP

// Helper function to continue chaining intermediate results.
var chainResult = function(instance, obj) {
function chainResult(instance, obj) {
return instance._chain ? _(obj).chain() : obj;
};
}
// Add your own custom functions to the Underscore object.
_.mixin = function(obj) {
_.each(_.functions(obj), function(name) {
function mixin(obj) {
each(functions(obj), function(name) {
var func = _[name] = obj[name];

@@ -1736,9 +1735,6 @@ _.prototype[name] = function() {

return _;
};
}
// Add all of the Underscore functions to the wrapper object.
_.mixin(_);
// Add all mutator Array functions to the wrapper.
_.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
var method = ArrayProto[name];

@@ -1754,3 +1750,3 @@ _.prototype[name] = function() {

// Add all accessor Array functions to the wrapper.
_.each(['concat', 'join', 'slice'], function(name) {
each(['concat', 'join', 'slice'], function(name) {
var method = ArrayProto[name];

@@ -1775,14 +1771,151 @@ _.prototype[name] = function() {

// AMD registration happens at the end for compatibility with AMD loaders
// that may not enforce next-turn semantics on modules. Even though general
// practice for AMD registration is to be anonymous, underscore registers
// as a named module because, like jQuery, it is a base library that is
// popular enough to be bundled in a third party lib, but not be part of
// an AMD load request. Those cases could generate an error when an
// anonymous define() is called outside of a loader request.
if (typeof define == 'function' && define.amd) {
define('underscore', [], function() {
return _;
});
}
}());
var allExports = ({
'default': _,
VERSION: VERSION,
iteratee: iteratee,
restArguments: restArguments,
each: each,
forEach: each,
map: map,
collect: map,
reduce: reduce,
foldl: reduce,
inject: reduce,
reduceRight: reduceRight,
foldr: reduceRight,
find: find,
detect: find,
filter: filter,
select: filter,
reject: reject,
every: every,
all: every,
some: some,
any: some,
contains: contains,
includes: contains,
include: contains,
invoke: invoke,
pluck: pluck,
where: where,
findWhere: findWhere,
max: max,
min: min,
shuffle: shuffle,
sample: sample,
sortBy: sortBy,
groupBy: groupBy,
indexBy: indexBy,
countBy: countBy,
toArray: toArray,
size: size,
partition: partition,
first: first,
head: first,
take: first,
initial: initial,
last: last,
rest: rest,
tail: rest,
drop: rest,
compact: compact,
flatten: flatten,
without: without,
uniq: uniq,
unique: uniq,
union: union,
intersection: intersection,
difference: difference,
unzip: unzip,
zip: zip,
object: object,
findIndex: findIndex,
findLastIndex: findLastIndex,
sortedIndex: sortedIndex,
indexOf: indexOf,
lastIndexOf: lastIndexOf,
range: range,
chunk: chunk,
bind: bind,
partial: partial,
bindAll: bindAll,
memoize: memoize,
delay: delay,
defer: defer,
throttle: throttle,
debounce: debounce,
wrap: wrap,
negate: negate,
compose: compose,
after: after,
before: before,
once: once,
keys: keys,
allKeys: allKeys,
values: values,
mapObject: mapObject,
pairs: pairs,
invert: invert,
functions: functions,
methods: functions,
extend: extend,
extendOwn: extendOwn,
assign: extendOwn,
findKey: findKey,
pick: pick,
omit: omit,
defaults: defaults,
create: create,
clone: clone,
tap: tap,
isMatch: isMatch,
isEqual: isEqual,
isEmpty: isEmpty,
isElement: isElement,
isArray: isArray,
isObject: isObject,
isArguments: isArguments,
isFunction: isFunction,
isString: isString,
isNumber: isNumber,
isDate: isDate,
isRegExp: isRegExp,
isError: isError,
isSymbol: isSymbol,
isMap: isMap,
isWeakMap: isWeakMap,
isSet: isSet,
isWeakSet: isWeakSet,
isFinite: isFinite,
isNaN: isNaN,
isBoolean: isBoolean,
isNull: isNull,
isUndefined: isUndefined,
has: has,
identity: identity,
constant: constant,
noop: noop,
property: property,
propertyOf: propertyOf,
matcher: matcher,
matches: matcher,
times: times,
random: random,
now: now,
escape: escape,
unescape: unescape,
result: result,
uniqueId: uniqueId,
templateSettings: templateSettings,
template: template,
chain: chain,
mixin: mixin
});
// Add all of the Underscore functions to the wrapper object and return it.
var indexDefault = mixin(allExports);
return indexDefault;
})));
//# sourceMappingURL=underscore.js.map
LICENSE

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underscore-min.js.map

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