Bump to v4.7.0.

flatMapDeep.js

@@ -0,0 +1,32 @@
+var baseFlatten = require('./_baseFlatten'),
+    map = require('./map');
+
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0;
+
+/**
+ * This method is like `_.flatMap` except that it recursively flattens the
+ * mapped results.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.7.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Array|Function|Object|string} [iteratee=_.identity]
+ *  The function invoked per iteration.
+ * @returns {Array} Returns the new flattened array.
+ * @example
+ *
+ * function duplicate(n) {
+ *   return [[[n, n]]];
+ * }
+ *
+ * _.flatMapDeep([1, 2], duplicate);
+ * // => [1, 1, 2, 2]
+ */
+function flatMapDeep(collection, iteratee) {
+  return baseFlatten(map(collection, iteratee), INFINITY);
+}
+
+module.exports = flatMapDeep;