Bump to v3.0.0.

object/forIn.js

@@ -0,0 +1,39 @@
+import baseFor from '../internal/baseFor';
+import bindCallback from '../internal/bindCallback';
+import keysIn from './keysIn';
+
+/**
+ * Iterates over own and inherited enumerable properties of an object invoking
+ * `iteratee` for each property. The `iteratee` is bound to `thisArg` and invoked
+ * with three arguments; (value, key, object). Iterator functions may exit
+ * iteration early by explicitly returning `false`.
+ *
+ * @static
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to iterate over.
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+ * @param {*} [thisArg] The `this` binding of `iteratee`.
+ * @returns {Object} Returns `object`.
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ *   this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.forIn(new Foo, function(value, key) {
+ *   console.log(key);
+ * });
+ * // => logs 'a', 'b', and 'c' (iteration order is not guaranteed)
+ */
+function forIn(object, iteratee, thisArg) {
+  if (typeof iteratee != 'function' || typeof thisArg != 'undefined') {
+    iteratee = bindCallback(iteratee, thisArg, 3);
+  }
+  return baseFor(object, iteratee, keysIn);
+}
+
+export default forIn;