Bump to v3.0.0.

chain/tap.js

@@ -0,0 +1,27 @@
+/**
+ * This method invokes `interceptor` and returns `value`. The interceptor is
+ * bound to `thisArg` and invoked with one argument; (value). The purpose of
+ * this method is to "tap into" a method chain in order to perform operations
+ * on intermediate results within the chain.
+ *
+ * @static
+ * @memberOf _
+ * @category Chain
+ * @param {*} value The value to provide to `interceptor`.
+ * @param {Function} interceptor The function to invoke.
+ * @param {*} [thisArg] The `this` binding of `interceptor`.
+ * @returns {*} Returns `value`.
+ * @example
+ *
+ * _([1, 2, 3])
+ *  .tap(function(array) { array.pop(); })
+ *  .reverse()
+ *  .value();
+ * // => [2, 1]
+ */
+function tap(value, interceptor, thisArg) {
+  interceptor.call(thisArg, value);
+  return value;
+}
+
+export default tap;