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Bump to v3.2.0.

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John-David Dalton
2015-12-16 17:46:22 -08:00
parent 1608d89174
commit 3ccb5e7da3
92 changed files with 1541 additions and 712 deletions
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35
array/findIndex.js
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@@ -4,10 +4,14 @@ define(['../internal/baseCallback'], function(baseCallback) {
* This method is like `_.find` except that it returns the index of the first
* element `predicate` returns truthy for, instead of the element itself.
*
* If a property name is provided for `predicate` the created "_.property"
* If a property name is provided for `predicate` the created `_.property`
* style callback returns the property value of the given element.
*
* If an object is provided for `predicate` the created "_.matches" style
* If a value is also provided for `thisArg` the created `_.matchesProperty`
* style callback returns `true` for elements that have a matching property
* value, else `false`.
*
* If an object is provided for `predicate` the created `_.matches` style
* callback returns `true` for elements that have the properties of the given
* object, else `false`.
*
@@ -16,28 +20,31 @@ define(['../internal/baseCallback'], function(baseCallback) {
* @category Array
* @param {Array} array The array to search.
* @param {Function|Object|string} [predicate=_.identity] The function invoked
* per iteration. If a property name or object is provided it is used to
* create a "_.property" or "_.matches" style callback respectively.
* per iteration.
* @param {*} [thisArg] The `this` binding of `predicate`.
* @returns {number} Returns the index of the found element, else `-1`.
* @example
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': false },
* { 'user': 'fred', 'age': 40, 'active': true },
* { 'user': 'pebbles', 'age': 1, 'active': false }
* { 'user': 'barney', 'active': false },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': true }
* ];
*
* _.findIndex(users, function(chr) { return chr.age < 40; });
* _.findIndex(users, function(chr) { return chr.user == 'barney'; });
* // => 0
*
* // using the "_.matches" callback shorthand
* _.findIndex(users, { 'age': 1 });
* // => 2
*
* // using the "_.property" callback shorthand
* _.findIndex(users, 'active');
* // using the `_.matches` callback shorthand
* _.findIndex(users, { 'user': 'fred', 'active': false });
* // => 1
*
* // using the `_.matchesProperty` callback shorthand
* _.findIndex(users, 'active', false);
* // => 0
*
* // using the `_.property` callback shorthand
* _.findIndex(users, 'active');
* // => 2
*/
function findIndex(array, predicate, thisArg) {
var index = -1,