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Update docs and rebuild files.

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Former-commit-id: 6265fed04ac7d6da6c6ded82095c22c1a60d9193
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John-David Dalton
2013-02-04 01:21:22 -08:00
parent 0fb4f7e1c4
commit d58e366c40
7 changed files with 1414 additions and 360 deletions
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393
dist/lodash.js vendored
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@@ -1314,6 +1314,11 @@
(!b || (otherType != 'function' && otherType != 'object'))) {
return false;
}
// exit early for `null` and `undefined`, avoiding ES3's Function#call behavior
// http://es5.github.com/#x15.3.4.4
if (a == null || b == null) {
return a === b;
}
// compare [[Class]] names
var className = toString.call(a),
otherClass = toString.call(b);
@@ -2032,18 +2037,25 @@
}
/**
* Creates an object composed of keys returned from running each element of
* `collection` through a `callback`. The corresponding value of each key is
* the number of times the key was returned by `callback`. The `callback` is
* bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
* The `callback` argument may also be the name of a property to count by (e.g. 'length').
* Creates an object composed of keys returned from running each element of the
* `collection` through the given `callback`. The corresponding value of each key
* is the number of times the key was returned by the `callback`. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function|String} callback|property The function called per iteration
* or property name to count by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Object} Returns the composed aggregate object.
* @example
@@ -2073,12 +2085,21 @@
* `collection`. The `callback` is bound to `thisArg` and invoked with three
* arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias all
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Boolean} Returns `true` if all elements pass the callback check,
* else `false`.
@@ -2092,13 +2113,13 @@
* { 'name': 'larry', 'age': 50 }
* ];
*
* // using callback "where" shorthand
* _.every(stooges, { 'age': 50 });
* // => false
*
* // using callback "pluck" shorthand
* // using "_.pluck" callback shorthand
* _.every(stooges, 'age');
* // => true
*
* // using "_.where" callback shorthand
* _.every(stooges, { 'age': 50 });
* // => false
*/
function every(collection, callback, thisArg) {
var result = true;
@@ -2126,18 +2147,40 @@
* the `callback` returns truthy for. The `callback` is bound to `thisArg` and
* invoked with three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias select
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of elements that passed the callback check.
* @example
*
* var evens = _.filter([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; });
* // => [2, 4, 6]
*
* var food = [
* { 'name': 'apple', 'organic': false, 'type': 'fruit' },
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using "_.pluck" callback shorthand
* _.filter(food, 'organic');
* // => [{ 'name': 'carrot', 'organic': true, 'type': 'vegetable' }]
*
* // using "_.where" callback shorthand
* _.filter(food, { 'type': 'fruit' });
* // => [{ 'name': 'apple', 'organic': false, 'type': 'fruit' }]
*/
function filter(collection, callback, thisArg) {
var result = [];
@@ -2164,18 +2207,25 @@
}
/**
* Examines each element in a `collection`, returning the first that the
* `callback` returns truthy for. The function returns as soon as it finds
* an acceptable element, and does not iterate over the entire `collection`.
* The `callback` is bound to `thisArg` and invoked with three arguments;
* (value, index|key, collection).
* Examines each element in a `collection`, returning the first that the `callback`
* returns truthy for. The `callback` is bound to `thisArg` and invoked with three
* arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias detect
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the element that passed the callback check,
* else `undefined`.
@@ -2191,11 +2241,11 @@
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using callback "where" shorthand
* // using "_.where" callback shorthand
* var veggie = _.find(food, { 'type': 'vegetable' });
* // => { 'name': 'beet', 'organic': false, 'type': 'vegetable' }
*
* // using callback "pluck" shorthand
* // using "_.pluck" callback shorthand
* var healthy = _.find(food, 'organic');
* // => { 'name': 'banana', 'organic': true, 'type': 'fruit' }
*/
@@ -2251,18 +2301,25 @@
}
/**
* Creates an object composed of keys returned from running each element of
* `collection` through a `callback`. The corresponding value of each key is an
* array of elements passed to `callback` that returned the key. The `callback`
* Creates an object composed of keys returned from running each element of the
* `collection` through the `callback`. The corresponding value of each key is
* an array of elements passed to `callback` that returned the key. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
* The `callback` argument may also be the name of a property to group by (e.g. 'length').
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function|String} callback|property The function called per iteration
* or property name to group by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Object} Returns the composed aggregate object.
* @example
@@ -2273,6 +2330,7 @@
* _.groupBy([4.2, 6.1, 6.4], function(num) { return this.floor(num); }, Math);
* // => { '4': [4.2], '6': [6.1, 6.4] }
*
* // using "_.pluck" callback shorthand
* _.groupBy(['one', 'two', 'three'], 'length');
* // => { '3': ['one', 'two'], '5': ['three'] }
*/
@@ -2324,15 +2382,24 @@
/**
* Creates an array of values by running each element in the `collection`
* through a `callback`. The `callback` is bound to `thisArg` and invoked with
* through the `callback`. The `callback` is bound to `thisArg` and invoked with
* three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias collect
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of the results of each `callback` execution.
* @example
@@ -2342,6 +2409,15 @@
*
* _.map({ 'one': 1, 'two': 2, 'three': 3 }, function(num) { return num * 3; });
* // => [3, 6, 9] (order is not guaranteed)
*
* var stooges = [
* { 'name': 'moe', 'age': 40 },
* { 'name': 'larry', 'age': 50 }
* ];
*
* // using "_.pluck" callback shorthand
* _.map(stooges, 'name');
* // => ['moe', 'larry']
*/
function map(collection, callback, thisArg) {
var index = -1,
@@ -2367,11 +2443,20 @@
* criterion by which the value is ranked. The `callback` is bound to
* `thisArg` and invoked with three arguments; (value, index, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the maximum value.
* @example
@@ -2386,6 +2471,10 @@
*
* _.max(stooges, function(stooge) { return stooge.age; });
* // => { 'name': 'larry', 'age': 50 };
*
* // using "_.pluck" callback shorthand
* _.max(stooges, 'age');
* // => { 'name': 'larry', 'age': 50 };
*/
function max(collection, callback, thisArg) {
var computed = -Infinity,
@@ -2423,11 +2512,20 @@
* criterion by which the value is ranked. The `callback` is bound to `thisArg`
* and invoked with three arguments; (value, index, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the minimum value.
* @example
@@ -2442,6 +2540,10 @@
*
* _.min(stooges, function(stooge) { return stooge.age; });
* // => { 'name': 'moe', 'age': 40 };
*
* // using "_.pluck" callback shorthand
* _.min(stooges, 'age');
* // => { 'name': 'moe', 'age': 40 };
*/
function min(collection, callback, thisArg) {
var computed = Infinity,
@@ -2474,8 +2576,7 @@
}
/**
* Retrieves the value of a specified property from all elements in
* the `collection`.
* Retrieves the value of a specified property from all elements in the `collection`.
*
* @static
* @memberOf _
@@ -2583,11 +2684,20 @@
* The opposite of `_.filter`, this method returns the elements of a
* `collection` that `callback` does **not** return truthy for.
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of elements that did **not** pass the
* callback check.
@@ -2595,6 +2705,19 @@
*
* var odds = _.reject([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; });
* // => [1, 3, 5]
*
* var food = [
* { 'name': 'apple', 'organic': false, 'type': 'fruit' },
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using "_.pluck" callback shorthand
* _.reject(food, 'organic');
* // => [{ 'name': 'apple', 'organic': false, 'type': 'fruit' }]
*
* // using "_.where" callback shorthand
* _.reject(food, { 'type': 'fruit' });
* // => [{ 'name': 'carrot', 'organic': true, 'type': 'vegetable' }]
*/
function reject(collection, callback, thisArg) {
callback = createCallback(callback, thisArg);
@@ -2661,12 +2784,21 @@
* does not iterate over the entire `collection`. The `callback` is bound to
* `thisArg` and invoked with three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias any
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Boolean} Returns `true` if any element passes the callback check,
* else `false`.
@@ -2674,6 +2806,19 @@
*
* _.some([null, 0, 'yes', false], Boolean);
* // => true
*
* var food = [
* { 'name': 'apple', 'organic': false, 'type': 'fruit' },
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using "_.pluck" callback shorthand
* _.some(food, 'organic');
* // => true
*
* // using "_.where" callback shorthand
* _.some(food, { 'type': 'meat' });
* // => false
*/
function some(collection, callback, thisArg) {
var result;
@@ -2698,16 +2843,24 @@
/**
* Creates an array, stable sorted in ascending order by the results of
* running each element of `collection` through a `callback`. The `callback`
* running each element of `collection` through the `callback`. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
* The `callback` argument may also be the name of a property to sort by (e.g. 'length').
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function|String} callback|property The function called per iteration
* or property name to sort by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of sorted elements.
* @example
@@ -2718,6 +2871,7 @@
* _.sortBy([1, 2, 3], function(num) { return this.sin(num); }, Math);
* // => [3, 1, 2]
*
* // using "_.pluck" callback shorthand
* _.sortBy(['banana', 'strawberry', 'apple'], 'length');
* // => ['apple', 'banana', 'strawberry']
*/
@@ -2771,6 +2925,7 @@
*
* @static
* @memberOf _
* @type Function
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Object} properties The object of property values to filter by.
@@ -2785,9 +2940,7 @@
* _.where(stooges, { 'age': 40 });
* // => [{ 'name': 'moe', 'age': 40 }]
*/
function where(collection, properties) {
return filter(collection, properties);
}
var where = filter;
/*--------------------------------------------------------------------------*/
@@ -2857,13 +3010,21 @@
* the first elements the `callback` returns truthy for are returned. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias head, take
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n] The function called per element or
* the number of elements to return.
* @param {Function|Object|Number|String} [callback|n] The function called per
* element or the number of elements to return. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the first element(s) of `array`.
* @example
@@ -2878,6 +3039,25 @@
* return num < 3;
* });
* // => [1, 2]
*
* var food = [
* { 'name': 'banana', 'organic': true },
* { 'name': 'beet', 'organic': false },
* ];
*
* // using "_.pluck" callback shorthand
* _.first(food, 'organic');
* // => [{ 'name': 'banana', 'organic': true }]
*
* var food = [
* { 'name': 'apple', 'type': 'fruit' },
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.first(food, { 'type': 'fruit' });
* // => [{ 'name': 'apple', 'type': 'fruit' }, { 'name': 'banana', 'type': 'fruit' }]
*/
function first(array, callback, thisArg) {
if (array) {
@@ -2985,12 +3165,20 @@
* from the result. The `callback` is bound to `thisArg` and invoked with three
* arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n=1] The function called per element or
* the number of elements to exclude.
* @param {Function|Object|Number|String} [callback|n=1] The function called per
* element or the number of elements to exclude. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a slice of `array`.
* @example
@@ -3005,6 +3193,25 @@
* return num > 1;
* });
* // => [1]
*
* var food = [
* { 'name': 'beet', 'organic': false },
* { 'name': 'carrot', 'organic': true }
* ];
*
* // using "_.pluck" callback shorthand
* _.initial(food, 'organic');
* // => [{ 'name': 'beet', 'organic': false }]
*
* var food = [
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' },
* { 'name': 'carrot', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.initial(food, { 'type': 'vegetable' });
* // => [{ 'name': 'banana', 'type': 'fruit' }]
*/
function initial(array, callback, thisArg) {
if (!array) {
@@ -3081,12 +3288,21 @@
* the last elements the `callback` returns truthy for are returned. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index, array).
*
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n] The function called per element or
* the number of elements to return.
* @param {Function|Object|Number|String} [callback|n] The function called per
* element or the number of elements to return. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the last element(s) of `array`.
* @example
@@ -3101,6 +3317,25 @@
* return num > 1;
* });
* // => [2, 3]
*
* var food = [
* { 'name': 'beet', 'organic': false },
* { 'name': 'carrot', 'organic': true }
* ];
*
* // using "_.pluck" callback shorthand
* _.last(food, 'organic');
* // => [{ 'name': 'carrot', 'organic': true }]
*
* var food = [
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' },
* { 'name': 'carrot', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.last(food, { 'type': 'vegetable' });
* // => [{ 'name': 'beet', 'type': 'vegetable' }, { 'name': 'carrot', 'type': 'vegetable' }]
*/
function last(array, callback, thisArg) {
if (array) {
@@ -3245,13 +3480,21 @@
* truthy for are excluded from the result. The `callback` is bound to `thisArg`
* and invoked with three arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias drop, tail
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n=1] The function called per element or
* the number of elements to exclude.
* @param {Function|Object|Number|String} [callback|n=1] The function called per
* element or the number of elements to exclude. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a slice of `array`.
* @example
@@ -3266,6 +3509,25 @@
* return num < 3;
* });
* // => [3]
*
* var food = [
* { 'name': 'banana', 'organic': true },
* { 'name': 'beet', 'organic': false },
* ];
*
* // using "_.pluck" callback shorthand
* _.rest(food, 'organic');
* // => [{ 'name': 'beet', 'organic': false }]
*
* var food = [
* { 'name': 'apple', 'type': 'fruit' },
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.rest(food, { 'type': 'fruit' });
* // => [{ 'name': 'beet', 'type': 'vegetable' }]
*/
function rest(array, callback, thisArg) {
if (typeof callback == 'function') {
@@ -3288,16 +3550,23 @@
* should be inserted into `array` in order to maintain the sort order of the
* sorted `array`. If `callback` is passed, it will be executed for `value` and
* each element in `array` to compute their sort ranking. The `callback` is
* bound to `thisArg` and invoked with one argument; (value). The `callback`
* argument may also be the name of a property to order by.
* bound to `thisArg` and invoked with one argument; (value).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Arrays
* @param {Array} array The array to iterate over.
* @param {Mixed} value The value to evaluate.
* @param {Function|String} [callback=identity|property] The function called
* per iteration or property name to order by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Number} Returns the index at which the value should be inserted
* into `array`.
@@ -3306,6 +3575,7 @@
* _.sortedIndex([20, 30, 50], 40);
* // => 2
*
* // using "_.pluck" callback shorthand
* _.sortedIndex([{ 'x': 20 }, { 'x': 30 }, { 'x': 50 }], { 'x': 40 }, 'x');
* // => 2
*
@@ -3366,13 +3636,22 @@
* element of `array` is passed through a callback` before uniqueness is computed.
* The `callback` is bound to `thisArg` and invoked with three arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias unique
* @category Arrays
* @param {Array} array The array to process.
* @param {Boolean} [isSorted=false] A flag to indicate that the `array` is already sorted.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a duplicate-value-free array.
* @example
@@ -3388,6 +3667,10 @@
*
* _.uniq([1, 2, 1.5, 3, 2.5], function(num) { return this.floor(num); }, Math);
* // => [1, 2, 3]
*
* // using "_.pluck" callback shorthand
* _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
* // => [{ 'x': 1 }, { 'x': 2 }]
*/
function uniq(array, isSorted, callback, thisArg) {
var index = -1,

66
dist/lodash.min.js vendored
View File

@@ -4,36 +4,36 @@
* Build: `lodash strict modern -o ./dist/lodash.js`
* Underscore.js 1.4.4 underscorejs.org/LICENSE
*/
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387
dist/lodash.underscore.js vendored
View File

@@ -1127,6 +1127,9 @@
(!b || (otherType != 'function' && otherType != 'object'))) {
return false;
}
if (a == null || b == null) {
return a === b;
}
var className = toString.call(a),
otherClass = toString.call(b);
@@ -1585,18 +1588,25 @@
}
/**
* Creates an object composed of keys returned from running each element of
* `collection` through a `callback`. The corresponding value of each key is
* the number of times the key was returned by `callback`. The `callback` is
* bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
* The `callback` argument may also be the name of a property to count by (e.g. 'length').
* Creates an object composed of keys returned from running each element of the
* `collection` through the given `callback`. The corresponding value of each key
* is the number of times the key was returned by the `callback`. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function|String} callback|property The function called per iteration
* or property name to count by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Object} Returns the composed aggregate object.
* @example
@@ -1626,12 +1636,21 @@
* `collection`. The `callback` is bound to `thisArg` and invoked with three
* arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias all
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Boolean} Returns `true` if all elements pass the callback check,
* else `false`.
@@ -1645,13 +1664,13 @@
* { 'name': 'larry', 'age': 50 }
* ];
*
* // using callback "where" shorthand
* _.every(stooges, { 'age': 50 });
* // => false
*
* // using callback "pluck" shorthand
* // using "_.pluck" callback shorthand
* _.every(stooges, 'age');
* // => true
*
* // using "_.where" callback shorthand
* _.every(stooges, { 'age': 50 });
* // => false
*/
function every(collection, callback, thisArg) {
var result = true;
@@ -1679,18 +1698,40 @@
* the `callback` returns truthy for. The `callback` is bound to `thisArg` and
* invoked with three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias select
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of elements that passed the callback check.
* @example
*
* var evens = _.filter([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; });
* // => [2, 4, 6]
*
* var food = [
* { 'name': 'apple', 'organic': false, 'type': 'fruit' },
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using "_.pluck" callback shorthand
* _.filter(food, 'organic');
* // => [{ 'name': 'carrot', 'organic': true, 'type': 'vegetable' }]
*
* // using "_.where" callback shorthand
* _.filter(food, { 'type': 'fruit' });
* // => [{ 'name': 'apple', 'organic': false, 'type': 'fruit' }]
*/
function filter(collection, callback, thisArg) {
var result = [];
@@ -1717,18 +1758,25 @@
}
/**
* Examines each element in a `collection`, returning the first that the
* `callback` returns truthy for. The function returns as soon as it finds
* an acceptable element, and does not iterate over the entire `collection`.
* The `callback` is bound to `thisArg` and invoked with three arguments;
* (value, index|key, collection).
* Examines each element in a `collection`, returning the first that the `callback`
* returns truthy for. The `callback` is bound to `thisArg` and invoked with three
* arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias detect
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the element that passed the callback check,
* else `undefined`.
@@ -1744,11 +1792,11 @@
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using callback "where" shorthand
* // using "_.where" callback shorthand
* var veggie = _.find(food, { 'type': 'vegetable' });
* // => { 'name': 'beet', 'organic': false, 'type': 'vegetable' }
*
* // using callback "pluck" shorthand
* // using "_.pluck" callback shorthand
* var healthy = _.find(food, 'organic');
* // => { 'name': 'banana', 'organic': true, 'type': 'fruit' }
*/
@@ -1807,18 +1855,25 @@
}
/**
* Creates an object composed of keys returned from running each element of
* `collection` through a `callback`. The corresponding value of each key is an
* array of elements passed to `callback` that returned the key. The `callback`
* Creates an object composed of keys returned from running each element of the
* `collection` through the `callback`. The corresponding value of each key is
* an array of elements passed to `callback` that returned the key. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
* The `callback` argument may also be the name of a property to group by (e.g. 'length').
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function|String} callback|property The function called per iteration
* or property name to group by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Object} Returns the composed aggregate object.
* @example
@@ -1829,6 +1884,7 @@
* _.groupBy([4.2, 6.1, 6.4], function(num) { return this.floor(num); }, Math);
* // => { '4': [4.2], '6': [6.1, 6.4] }
*
* // using "_.pluck" callback shorthand
* _.groupBy(['one', 'two', 'three'], 'length');
* // => { '3': ['one', 'two'], '5': ['three'] }
*/
@@ -1880,15 +1936,24 @@
/**
* Creates an array of values by running each element in the `collection`
* through a `callback`. The `callback` is bound to `thisArg` and invoked with
* through the `callback`. The `callback` is bound to `thisArg` and invoked with
* three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias collect
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of the results of each `callback` execution.
* @example
@@ -1898,6 +1963,15 @@
*
* _.map({ 'one': 1, 'two': 2, 'three': 3 }, function(num) { return num * 3; });
* // => [3, 6, 9] (order is not guaranteed)
*
* var stooges = [
* { 'name': 'moe', 'age': 40 },
* { 'name': 'larry', 'age': 50 }
* ];
*
* // using "_.pluck" callback shorthand
* _.map(stooges, 'name');
* // => ['moe', 'larry']
*/
function map(collection, callback, thisArg) {
var index = -1,
@@ -1923,11 +1997,20 @@
* criterion by which the value is ranked. The `callback` is bound to
* `thisArg` and invoked with three arguments; (value, index, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the maximum value.
* @example
@@ -1942,6 +2025,10 @@
*
* _.max(stooges, function(stooge) { return stooge.age; });
* // => { 'name': 'larry', 'age': 50 };
*
* // using "_.pluck" callback shorthand
* _.max(stooges, 'age');
* // => { 'name': 'larry', 'age': 50 };
*/
function max(collection, callback, thisArg) {
var computed = -Infinity,
@@ -1977,11 +2064,20 @@
* criterion by which the value is ranked. The `callback` is bound to `thisArg`
* and invoked with three arguments; (value, index, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the minimum value.
* @example
@@ -1996,6 +2092,10 @@
*
* _.min(stooges, function(stooge) { return stooge.age; });
* // => { 'name': 'moe', 'age': 40 };
*
* // using "_.pluck" callback shorthand
* _.min(stooges, 'age');
* // => { 'name': 'moe', 'age': 40 };
*/
function min(collection, callback, thisArg) {
var computed = Infinity,
@@ -2026,8 +2126,7 @@
}
/**
* Retrieves the value of a specified property from all elements in
* the `collection`.
* Retrieves the value of a specified property from all elements in the `collection`.
*
* @static
* @memberOf _
@@ -2135,11 +2234,20 @@
* The opposite of `_.filter`, this method returns the elements of a
* `collection` that `callback` does **not** return truthy for.
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of elements that did **not** pass the
* callback check.
@@ -2147,6 +2255,19 @@
*
* var odds = _.reject([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; });
* // => [1, 3, 5]
*
* var food = [
* { 'name': 'apple', 'organic': false, 'type': 'fruit' },
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using "_.pluck" callback shorthand
* _.reject(food, 'organic');
* // => [{ 'name': 'apple', 'organic': false, 'type': 'fruit' }]
*
* // using "_.where" callback shorthand
* _.reject(food, { 'type': 'fruit' });
* // => [{ 'name': 'carrot', 'organic': true, 'type': 'vegetable' }]
*/
function reject(collection, callback, thisArg) {
callback = createCallback(callback, thisArg);
@@ -2213,12 +2334,21 @@
* does not iterate over the entire `collection`. The `callback` is bound to
* `thisArg` and invoked with three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias any
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Boolean} Returns `true` if any element passes the callback check,
* else `false`.
@@ -2226,6 +2356,19 @@
*
* _.some([null, 0, 'yes', false], Boolean);
* // => true
*
* var food = [
* { 'name': 'apple', 'organic': false, 'type': 'fruit' },
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using "_.pluck" callback shorthand
* _.some(food, 'organic');
* // => true
*
* // using "_.where" callback shorthand
* _.some(food, { 'type': 'meat' });
* // => false
*/
function some(collection, callback, thisArg) {
var result;
@@ -2250,16 +2393,24 @@
/**
* Creates an array, stable sorted in ascending order by the results of
* running each element of `collection` through a `callback`. The `callback`
* running each element of `collection` through the `callback`. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
* The `callback` argument may also be the name of a property to sort by (e.g. 'length').
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function|String} callback|property The function called per iteration
* or property name to sort by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of sorted elements.
* @example
@@ -2270,6 +2421,7 @@
* _.sortBy([1, 2, 3], function(num) { return this.sin(num); }, Math);
* // => [3, 1, 2]
*
* // using "_.pluck" callback shorthand
* _.sortBy(['banana', 'strawberry', 'apple'], 'length');
* // => ['apple', 'banana', 'strawberry']
*/
@@ -2323,6 +2475,7 @@
*
* @static
* @memberOf _
* @type Function
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Object} properties The object of property values to filter by.
@@ -2410,13 +2563,21 @@
* the first elements the `callback` returns truthy for are returned. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias head, take
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n] The function called per element or
* the number of elements to return.
* @param {Function|Object|Number|String} [callback|n] The function called per
* element or the number of elements to return. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the first element(s) of `array`.
* @example
@@ -2431,6 +2592,25 @@
* return num < 3;
* });
* // => [1, 2]
*
* var food = [
* { 'name': 'banana', 'organic': true },
* { 'name': 'beet', 'organic': false },
* ];
*
* // using "_.pluck" callback shorthand
* _.first(food, 'organic');
* // => [{ 'name': 'banana', 'organic': true }]
*
* var food = [
* { 'name': 'apple', 'type': 'fruit' },
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.first(food, { 'type': 'fruit' });
* // => [{ 'name': 'apple', 'type': 'fruit' }, { 'name': 'banana', 'type': 'fruit' }]
*/
function first(array, callback, thisArg) {
if (array) {
@@ -2538,12 +2718,20 @@
* from the result. The `callback` is bound to `thisArg` and invoked with three
* arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n=1] The function called per element or
* the number of elements to exclude.
* @param {Function|Object|Number|String} [callback|n=1] The function called per
* element or the number of elements to exclude. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a slice of `array`.
* @example
@@ -2558,6 +2746,25 @@
* return num > 1;
* });
* // => [1]
*
* var food = [
* { 'name': 'beet', 'organic': false },
* { 'name': 'carrot', 'organic': true }
* ];
*
* // using "_.pluck" callback shorthand
* _.initial(food, 'organic');
* // => [{ 'name': 'beet', 'organic': false }]
*
* var food = [
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' },
* { 'name': 'carrot', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.initial(food, { 'type': 'vegetable' });
* // => [{ 'name': 'banana', 'type': 'fruit' }]
*/
function initial(array, callback, thisArg) {
if (!array) {
@@ -2622,12 +2829,21 @@
* the last elements the `callback` returns truthy for are returned. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index, array).
*
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n] The function called per element or
* the number of elements to return.
* @param {Function|Object|Number|String} [callback|n] The function called per
* element or the number of elements to return. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the last element(s) of `array`.
* @example
@@ -2642,6 +2858,25 @@
* return num > 1;
* });
* // => [2, 3]
*
* var food = [
* { 'name': 'beet', 'organic': false },
* { 'name': 'carrot', 'organic': true }
* ];
*
* // using "_.pluck" callback shorthand
* _.last(food, 'organic');
* // => [{ 'name': 'carrot', 'organic': true }]
*
* var food = [
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' },
* { 'name': 'carrot', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.last(food, { 'type': 'vegetable' });
* // => [{ 'name': 'beet', 'type': 'vegetable' }, { 'name': 'carrot', 'type': 'vegetable' }]
*/
function last(array, callback, thisArg) {
if (array) {
@@ -2786,13 +3021,21 @@
* truthy for are excluded from the result. The `callback` is bound to `thisArg`
* and invoked with three arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias drop, tail
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n=1] The function called per element or
* the number of elements to exclude.
* @param {Function|Object|Number|String} [callback|n=1] The function called per
* element or the number of elements to exclude. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a slice of `array`.
* @example
@@ -2807,6 +3050,25 @@
* return num < 3;
* });
* // => [3]
*
* var food = [
* { 'name': 'banana', 'organic': true },
* { 'name': 'beet', 'organic': false },
* ];
*
* // using "_.pluck" callback shorthand
* _.rest(food, 'organic');
* // => [{ 'name': 'beet', 'organic': false }]
*
* var food = [
* { 'name': 'apple', 'type': 'fruit' },
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.rest(food, { 'type': 'fruit' });
* // => [{ 'name': 'beet', 'type': 'vegetable' }]
*/
function rest(array, callback, thisArg) {
if (typeof callback == 'function') {
@@ -2829,16 +3091,23 @@
* should be inserted into `array` in order to maintain the sort order of the
* sorted `array`. If `callback` is passed, it will be executed for `value` and
* each element in `array` to compute their sort ranking. The `callback` is
* bound to `thisArg` and invoked with one argument; (value). The `callback`
* argument may also be the name of a property to order by.
* bound to `thisArg` and invoked with one argument; (value).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Arrays
* @param {Array} array The array to iterate over.
* @param {Mixed} value The value to evaluate.
* @param {Function|String} [callback=identity|property] The function called
* per iteration or property name to order by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Number} Returns the index at which the value should be inserted
* into `array`.
@@ -2847,6 +3116,7 @@
* _.sortedIndex([20, 30, 50], 40);
* // => 2
*
* // using "_.pluck" callback shorthand
* _.sortedIndex([{ 'x': 20 }, { 'x': 30 }, { 'x': 50 }], { 'x': 40 }, 'x');
* // => 2
*
@@ -2907,13 +3177,22 @@
* element of `array` is passed through a callback` before uniqueness is computed.
* The `callback` is bound to `thisArg` and invoked with three arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias unique
* @category Arrays
* @param {Array} array The array to process.
* @param {Boolean} [isSorted=false] A flag to indicate that the `array` is already sorted.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a duplicate-value-free array.
* @example
@@ -2929,6 +3208,10 @@
*
* _.uniq([1, 2, 1.5, 3, 2.5], function(num) { return this.floor(num); }, Math);
* // => [1, 2, 3]
*
* // using "_.pluck" callback shorthand
* _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
* // => [{ 'x': 1 }, { 'x': 2 }]
*/
function uniq(array, isSorted, callback, thisArg) {
var index = -1,

17
dist/lodash.underscore.min.js vendored
View File

@@ -8,14 +8,15 @@
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455
doc/README.md
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File diff suppressed because it is too large Load Diff

384
lodash.js
View File

@@ -2187,18 +2187,25 @@
}
/**
* Creates an object composed of keys returned from running each element of
* `collection` through a `callback`. The corresponding value of each key is
* the number of times the key was returned by `callback`. The `callback` is
* bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
* The `callback` argument may also be the name of a property to count by (e.g. 'length').
* Creates an object composed of keys returned from running each element of the
* `collection` through the given `callback`. The corresponding value of each key
* is the number of times the key was returned by the `callback`. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function|String} callback|property The function called per iteration
* or property name to count by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Object} Returns the composed aggregate object.
* @example
@@ -2228,12 +2235,21 @@
* `collection`. The `callback` is bound to `thisArg` and invoked with three
* arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias all
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Boolean} Returns `true` if all elements pass the callback check,
* else `false`.
@@ -2247,13 +2263,13 @@
* { 'name': 'larry', 'age': 50 }
* ];
*
* // using callback "where" shorthand
* _.every(stooges, { 'age': 50 });
* // => false
*
* // using callback "pluck" shorthand
* // using "_.pluck" callback shorthand
* _.every(stooges, 'age');
* // => true
*
* // using "_.where" callback shorthand
* _.every(stooges, { 'age': 50 });
* // => false
*/
function every(collection, callback, thisArg) {
var result = true;
@@ -2281,18 +2297,40 @@
* the `callback` returns truthy for. The `callback` is bound to `thisArg` and
* invoked with three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias select
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of elements that passed the callback check.
* @example
*
* var evens = _.filter([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; });
* // => [2, 4, 6]
*
* var food = [
* { 'name': 'apple', 'organic': false, 'type': 'fruit' },
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using "_.pluck" callback shorthand
* _.filter(food, 'organic');
* // => [{ 'name': 'carrot', 'organic': true, 'type': 'vegetable' }]
*
* // using "_.where" callback shorthand
* _.filter(food, { 'type': 'fruit' });
* // => [{ 'name': 'apple', 'organic': false, 'type': 'fruit' }]
*/
function filter(collection, callback, thisArg) {
var result = [];
@@ -2319,18 +2357,25 @@
}
/**
* Examines each element in a `collection`, returning the first that the
* `callback` returns truthy for. The function returns as soon as it finds
* an acceptable element, and does not iterate over the entire `collection`.
* The `callback` is bound to `thisArg` and invoked with three arguments;
* (value, index|key, collection).
* Examines each element in a `collection`, returning the first that the `callback`
* returns truthy for. The `callback` is bound to `thisArg` and invoked with three
* arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias detect
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the element that passed the callback check,
* else `undefined`.
@@ -2346,11 +2391,11 @@
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using callback "where" shorthand
* // using "_.where" callback shorthand
* var veggie = _.find(food, { 'type': 'vegetable' });
* // => { 'name': 'beet', 'organic': false, 'type': 'vegetable' }
*
* // using callback "pluck" shorthand
* // using "_.pluck" callback shorthand
* var healthy = _.find(food, 'organic');
* // => { 'name': 'banana', 'organic': true, 'type': 'fruit' }
*/
@@ -2406,18 +2451,25 @@
}
/**
* Creates an object composed of keys returned from running each element of
* `collection` through a `callback`. The corresponding value of each key is an
* array of elements passed to `callback` that returned the key. The `callback`
* Creates an object composed of keys returned from running each element of the
* `collection` through the `callback`. The corresponding value of each key is
* an array of elements passed to `callback` that returned the key. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
* The `callback` argument may also be the name of a property to group by (e.g. 'length').
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function|String} callback|property The function called per iteration
* or property name to group by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Object} Returns the composed aggregate object.
* @example
@@ -2428,6 +2480,7 @@
* _.groupBy([4.2, 6.1, 6.4], function(num) { return this.floor(num); }, Math);
* // => { '4': [4.2], '6': [6.1, 6.4] }
*
* // using "_.pluck" callback shorthand
* _.groupBy(['one', 'two', 'three'], 'length');
* // => { '3': ['one', 'two'], '5': ['three'] }
*/
@@ -2479,15 +2532,24 @@
/**
* Creates an array of values by running each element in the `collection`
* through a `callback`. The `callback` is bound to `thisArg` and invoked with
* through the `callback`. The `callback` is bound to `thisArg` and invoked with
* three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias collect
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of the results of each `callback` execution.
* @example
@@ -2497,6 +2559,15 @@
*
* _.map({ 'one': 1, 'two': 2, 'three': 3 }, function(num) { return num * 3; });
* // => [3, 6, 9] (order is not guaranteed)
*
* var stooges = [
* { 'name': 'moe', 'age': 40 },
* { 'name': 'larry', 'age': 50 }
* ];
*
* // using "_.pluck" callback shorthand
* _.map(stooges, 'name');
* // => ['moe', 'larry']
*/
function map(collection, callback, thisArg) {
var index = -1,
@@ -2522,11 +2593,20 @@
* criterion by which the value is ranked. The `callback` is bound to
* `thisArg` and invoked with three arguments; (value, index, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the maximum value.
* @example
@@ -2541,6 +2621,10 @@
*
* _.max(stooges, function(stooge) { return stooge.age; });
* // => { 'name': 'larry', 'age': 50 };
*
* // using "_.pluck" callback shorthand
* _.max(stooges, 'age');
* // => { 'name': 'larry', 'age': 50 };
*/
function max(collection, callback, thisArg) {
var computed = -Infinity,
@@ -2578,11 +2662,20 @@
* criterion by which the value is ranked. The `callback` is bound to `thisArg`
* and invoked with three arguments; (value, index, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the minimum value.
* @example
@@ -2597,6 +2690,10 @@
*
* _.min(stooges, function(stooge) { return stooge.age; });
* // => { 'name': 'moe', 'age': 40 };
*
* // using "_.pluck" callback shorthand
* _.min(stooges, 'age');
* // => { 'name': 'moe', 'age': 40 };
*/
function min(collection, callback, thisArg) {
var computed = Infinity,
@@ -2629,8 +2726,7 @@
}
/**
* Retrieves the value of a specified property from all elements in
* the `collection`.
* Retrieves the value of a specified property from all elements in the `collection`.
*
* @static
* @memberOf _
@@ -2740,11 +2836,20 @@
* The opposite of `_.filter`, this method returns the elements of a
* `collection` that `callback` does **not** return truthy for.
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of elements that did **not** pass the
* callback check.
@@ -2752,6 +2857,19 @@
*
* var odds = _.reject([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; });
* // => [1, 3, 5]
*
* var food = [
* { 'name': 'apple', 'organic': false, 'type': 'fruit' },
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using "_.pluck" callback shorthand
* _.reject(food, 'organic');
* // => [{ 'name': 'apple', 'organic': false, 'type': 'fruit' }]
*
* // using "_.where" callback shorthand
* _.reject(food, { 'type': 'fruit' });
* // => [{ 'name': 'carrot', 'organic': true, 'type': 'vegetable' }]
*/
function reject(collection, callback, thisArg) {
callback = createCallback(callback, thisArg);
@@ -2818,12 +2936,21 @@
* does not iterate over the entire `collection`. The `callback` is bound to
* `thisArg` and invoked with three arguments; (value, index|key, collection).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias any
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Boolean} Returns `true` if any element passes the callback check,
* else `false`.
@@ -2831,6 +2958,19 @@
*
* _.some([null, 0, 'yes', false], Boolean);
* // => true
*
* var food = [
* { 'name': 'apple', 'organic': false, 'type': 'fruit' },
* { 'name': 'carrot', 'organic': true, 'type': 'vegetable' }
* ];
*
* // using "_.pluck" callback shorthand
* _.some(food, 'organic');
* // => true
*
* // using "_.where" callback shorthand
* _.some(food, { 'type': 'meat' });
* // => false
*/
function some(collection, callback, thisArg) {
var result;
@@ -2855,16 +2995,24 @@
/**
* Creates an array, stable sorted in ascending order by the results of
* running each element of `collection` through a `callback`. The `callback`
* running each element of `collection` through the `callback`. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
* The `callback` argument may also be the name of a property to sort by (e.g. 'length').
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Function|String} callback|property The function called per iteration
* or property name to sort by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a new array of sorted elements.
* @example
@@ -2875,6 +3023,7 @@
* _.sortBy([1, 2, 3], function(num) { return this.sin(num); }, Math);
* // => [3, 1, 2]
*
* // using "_.pluck" callback shorthand
* _.sortBy(['banana', 'strawberry', 'apple'], 'length');
* // => ['apple', 'banana', 'strawberry']
*/
@@ -2930,6 +3079,7 @@
*
* @static
* @memberOf _
* @type Function
* @category Collections
* @param {Array|Object|String} collection The collection to iterate over.
* @param {Object} properties The object of property values to filter by.
@@ -3014,13 +3164,21 @@
* the first elements the `callback` returns truthy for are returned. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias head, take
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n] The function called per element or
* the number of elements to return.
* @param {Function|Object|Number|String} [callback|n] The function called per
* element or the number of elements to return. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the first element(s) of `array`.
* @example
@@ -3035,6 +3193,25 @@
* return num < 3;
* });
* // => [1, 2]
*
* var food = [
* { 'name': 'banana', 'organic': true },
* { 'name': 'beet', 'organic': false },
* ];
*
* // using "_.pluck" callback shorthand
* _.first(food, 'organic');
* // => [{ 'name': 'banana', 'organic': true }]
*
* var food = [
* { 'name': 'apple', 'type': 'fruit' },
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.first(food, { 'type': 'fruit' });
* // => [{ 'name': 'apple', 'type': 'fruit' }, { 'name': 'banana', 'type': 'fruit' }]
*/
function first(array, callback, thisArg) {
if (array) {
@@ -3142,12 +3319,20 @@
* from the result. The `callback` is bound to `thisArg` and invoked with three
* arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n=1] The function called per element or
* the number of elements to exclude.
* @param {Function|Object|Number|String} [callback|n=1] The function called per
* element or the number of elements to exclude. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a slice of `array`.
* @example
@@ -3162,6 +3347,25 @@
* return num > 1;
* });
* // => [1]
*
* var food = [
* { 'name': 'beet', 'organic': false },
* { 'name': 'carrot', 'organic': true }
* ];
*
* // using "_.pluck" callback shorthand
* _.initial(food, 'organic');
* // => [{ 'name': 'beet', 'organic': false }]
*
* var food = [
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' },
* { 'name': 'carrot', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.initial(food, { 'type': 'vegetable' });
* // => [{ 'name': 'banana', 'type': 'fruit' }]
*/
function initial(array, callback, thisArg) {
if (!array) {
@@ -3238,12 +3442,21 @@
* the last elements the `callback` returns truthy for are returned. The `callback`
* is bound to `thisArg` and invoked with three arguments; (value, index, array).
*
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n] The function called per element or
* the number of elements to return.
* @param {Function|Object|Number|String} [callback|n] The function called per
* element or the number of elements to return. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Mixed} Returns the last element(s) of `array`.
* @example
@@ -3258,6 +3471,25 @@
* return num > 1;
* });
* // => [2, 3]
*
* var food = [
* { 'name': 'beet', 'organic': false },
* { 'name': 'carrot', 'organic': true }
* ];
*
* // using "_.pluck" callback shorthand
* _.last(food, 'organic');
* // => [{ 'name': 'carrot', 'organic': true }]
*
* var food = [
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' },
* { 'name': 'carrot', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.last(food, { 'type': 'vegetable' });
* // => [{ 'name': 'beet', 'type': 'vegetable' }, { 'name': 'carrot', 'type': 'vegetable' }]
*/
function last(array, callback, thisArg) {
if (array) {
@@ -3402,13 +3634,21 @@
* truthy for are excluded from the result. The `callback` is bound to `thisArg`
* and invoked with three arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias drop, tail
* @category Arrays
* @param {Array} array The array to query.
* @param {Function|Number} [callback|n=1] The function called per element or
* the number of elements to exclude.
* @param {Function|Object|Number|String} [callback|n=1] The function called per
* element or the number of elements to exclude. If a string or object is passed,
* it will be used to create a "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a slice of `array`.
* @example
@@ -3423,6 +3663,25 @@
* return num < 3;
* });
* // => [3]
*
* var food = [
* { 'name': 'banana', 'organic': true },
* { 'name': 'beet', 'organic': false },
* ];
*
* // using "_.pluck" callback shorthand
* _.rest(food, 'organic');
* // => [{ 'name': 'beet', 'organic': false }]
*
* var food = [
* { 'name': 'apple', 'type': 'fruit' },
* { 'name': 'banana', 'type': 'fruit' },
* { 'name': 'beet', 'type': 'vegetable' }
* ];
*
* // using "_.where" callback shorthand
* _.rest(food, { 'type': 'fruit' });
* // => [{ 'name': 'beet', 'type': 'vegetable' }]
*/
function rest(array, callback, thisArg) {
if (typeof callback == 'function') {
@@ -3445,16 +3704,23 @@
* should be inserted into `array` in order to maintain the sort order of the
* sorted `array`. If `callback` is passed, it will be executed for `value` and
* each element in `array` to compute their sort ranking. The `callback` is
* bound to `thisArg` and invoked with one argument; (value). The `callback`
* argument may also be the name of a property to order by.
* bound to `thisArg` and invoked with one argument; (value).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @category Arrays
* @param {Array} array The array to iterate over.
* @param {Mixed} value The value to evaluate.
* @param {Function|String} [callback=identity|property] The function called
* per iteration or property name to order by.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Number} Returns the index at which the value should be inserted
* into `array`.
@@ -3463,6 +3729,7 @@
* _.sortedIndex([20, 30, 50], 40);
* // => 2
*
* // using "_.pluck" callback shorthand
* _.sortedIndex([{ 'x': 20 }, { 'x': 30 }, { 'x': 50 }], { 'x': 40 }, 'x');
* // => 2
*
@@ -3523,13 +3790,22 @@
* element of `array` is passed through a callback` before uniqueness is computed.
* The `callback` is bound to `thisArg` and invoked with three arguments; (value, index, array).
*
* If a property name is passed for `callback`, the created "_.pluck" style
* callback will return the property value of the given element.
*
* If an object is passed for `callback`, the created "_.where" style callback
* will return `true` for elements that have the propeties of the given object,
* else `false`.
*
* @static
* @memberOf _
* @alias unique
* @category Arrays
* @param {Array} array The array to process.
* @param {Boolean} [isSorted=false] A flag to indicate that the `array` is already sorted.
* @param {Function} [callback=identity] The function called per iteration.
* @param {Function|Object|String} [callback=identity] The function called per
* iteration. If a string or object is passed, it will be used to create a
* "_.pluck" or "_.where" style callback, respectively.
* @param {Mixed} [thisArg] The `this` binding of `callback`.
* @returns {Array} Returns a duplicate-value-free array.
* @example
@@ -3545,6 +3821,10 @@
*
* _.uniq([1, 2, 1.5, 3, 2.5], function(num) { return this.floor(num); }, Math);
* // => [1, 2, 3]
*
* // using "_.pluck" callback shorthand
* _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
* // => [{ 'x': 1 }, { 'x': 2 }]
*/
function uniq(array, isSorted, callback, thisArg) {
var index = -1,

72
lodash.min.js vendored
View File

@@ -3,39 +3,39 @@
* Lo-Dash 1.0.0-rc.3 lodash.com/license
* Underscore.js 1.4.4 underscorejs.org/LICENSE
*/
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