Bump to v4.0.0.

find.js

@@ -0,0 +1,50 @@
+import baseEach from './internal/baseEach';
+import baseFind from './internal/baseFind';
+import baseFindIndex from './internal/baseFindIndex';
+import baseIteratee from './internal/baseIteratee';
+import isArray from './isArray';
+
+/**
+ * Iterates over elements of `collection`, returning the first element
+ * `predicate` returns truthy for. The predicate is invoked with three arguments:
+ * (value, index|key, collection).
+ *
+ * @static
+ * @memberOf _
+ * @category Collection
+ * @param {Array|Object} collection The collection to search.
+ * @param {Function|Object|string} [predicate=_.identity] The function invoked per iteration.
+ * @returns {*} Returns the matched element, else `undefined`.
+ * @example
+ *
+ * var users = [
+ *   { 'user': 'barney',  'age': 36, 'active': true },
+ *   { 'user': 'fred',    'age': 40, 'active': false },
+ *   { 'user': 'pebbles', 'age': 1,  'active': true }
+ * ];
+ *
+ * _.find(users, function(o) { return o.age < 40; });
+ * // => object for 'barney'
+ *
+ * // using the `_.matches` iteratee shorthand
+ * _.find(users, { 'age': 1, 'active': true });
+ * // => object for 'pebbles'
+ *
+ * // using the `_.matchesProperty` iteratee shorthand
+ * _.find(users, ['active', false]);
+ * // => object for 'fred'
+ *
+ * // using the `_.property` iteratee shorthand
+ * _.find(users, 'active');
+ * // => object for 'barney'
+ */
+function find(collection, predicate) {
+  predicate = baseIteratee(predicate, 3);
+  if (isArray(collection)) {
+    var index = baseFindIndex(collection, predicate);
+    return index > -1 ? collection[index] : undefined;
+  }
+  return baseFind(collection, predicate, baseEach);
+}
+
+export default find;