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authorYosuke Furukawa <yosuke.furukawa@gmail.com>2015-04-29 02:03:05 +0900
committerYosuke Furukawa <yosuke.furukawa@gmail.com>2015-05-09 12:09:52 +0900
commitf9dd34d301ab385ae316769b85ef916f9b70b6f6 (patch)
tree9ce5db7bdff46e587535de5549eef7e02656f5d8 /tools/eslint/node_modules/js-yaml/node_modules/argparse/node_modules/lodash/collection/partition.js
parent5883a59b21a97e8b7339f435c977155a2c29ba8d (diff)
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tools: replace closure-linter with eslint
PR-URL: https://github.com/iojs/io.js/pull/1539 Fixes: https://github.com/iojs/io.js/issues/1253 Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com> Reviewed-By: Johan Bergström <bugs@bergstroem.nu> Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
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+var createAggregator = require('../internal/createAggregator');
+
+/**
+ * Creates an array of elements split into two groups, the first of which
+ * contains elements `predicate` returns truthy for, while the second of which
+ * contains elements `predicate` returns falsey for. The predicate is bound
+ * to `thisArg` and invoked with three arguments: (value, index|key, collection).
+ *
+ * If a property name is provided for `predicate` the created `_.property`
+ * style callback returns the property value of the given element.
+ *
+ * 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`.
+ *
+ * @static
+ * @memberOf _
+ * @category Collection
+ * @param {Array|Object|string} collection The collection to iterate over.
+ * @param {Function|Object|string} [predicate=_.identity] The function invoked
+ * per iteration.
+ * @param {*} [thisArg] The `this` binding of `predicate`.
+ * @returns {Array} Returns the array of grouped elements.
+ * @example
+ *
+ * _.partition([1, 2, 3], function(n) {
+ * return n % 2;
+ * });
+ * // => [[1, 3], [2]]
+ *
+ * _.partition([1.2, 2.3, 3.4], function(n) {
+ * return this.floor(n) % 2;
+ * }, Math);
+ * // => [[1.2, 3.4], [2.3]]
+ *
+ * var users = [
+ * { 'user': 'barney', 'age': 36, 'active': false },
+ * { 'user': 'fred', 'age': 40, 'active': true },
+ * { 'user': 'pebbles', 'age': 1, 'active': false }
+ * ];
+ *
+ * var mapper = function(array) {
+ * return _.pluck(array, 'user');
+ * };
+ *
+ * // using the `_.matches` callback shorthand
+ * _.map(_.partition(users, { 'age': 1, 'active': false }), mapper);
+ * // => [['pebbles'], ['barney', 'fred']]
+ *
+ * // using the `_.matchesProperty` callback shorthand
+ * _.map(_.partition(users, 'active', false), mapper);
+ * // => [['barney', 'pebbles'], ['fred']]
+ *
+ * // using the `_.property` callback shorthand
+ * _.map(_.partition(users, 'active'), mapper);
+ * // => [['fred'], ['barney', 'pebbles']]
+ */
+var partition = createAggregator(function(result, value, key) {
+ result[key ? 0 : 1].push(value);
+}, function() { return [[], []]; });
+
+module.exports = partition;