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authorRebecca Turner <me@re-becca.org>2018-04-20 18:26:37 -0700
committerRebecca Turner <me@re-becca.org>2018-05-24 23:24:45 -0700
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deps: upgrade npm to 6.1.0
PR-URL: https://github.com/nodejs/node/pull/20190 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Michaƫl Zasso <targos@protonmail.com>
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+var createFindIndex = require('../internal/createFindIndex');
+
+/**
+ * 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`
+ * 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 Array
+ * @param {Array} array The array to search.
+ * @param {Function|Object|string} [predicate=_.identity] The function invoked
+ * 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', 'active': false },
+ * { 'user': 'fred', 'active': false },
+ * { 'user': 'pebbles', 'active': true }
+ * ];
+ *
+ * _.findIndex(users, function(chr) {
+ * return chr.user == 'barney';
+ * });
+ * // => 0
+ *
+ * // 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
+ */
+var findIndex = createFindIndex();
+
+module.exports = findIndex;