+++ /dev/null
-'use strict';
-var $ = require('../internals/export');
-var flattenIntoArray = require('../internals/flatten-into-array');
-var toObject = require('../internals/to-object');
-var toLength = require('../internals/to-length');
-var aFunction = require('../internals/a-function');
-var arraySpeciesCreate = require('../internals/array-species-create');
-
-// `Array.prototype.flatMap` method
-// https://github.com/tc39/proposal-flatMap
-$({ target: 'Array', proto: true }, {
- flatMap: function flatMap(callbackfn /* , thisArg */) {
- var O = toObject(this);
- var sourceLen = toLength(O.length);
- var A;
- aFunction(callbackfn);
- A = arraySpeciesCreate(O, 0);
- A.length = flattenIntoArray(A, O, O, sourceLen, 0, 1, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
- return A;
- }
-});