hexo/node_modules/core-js/modules/es7.array.flat-map.js

23 lines
740 B
JavaScript

'use strict';
// https://tc39.github.io/proposal-flatMap/#sec-Array.prototype.flatMap
var $export = require('./_export');
var flattenIntoArray = require('./_flatten-into-array');
var toObject = require('./_to-object');
var toLength = require('./_to-length');
var aFunction = require('./_a-function');
var arraySpeciesCreate = require('./_array-species-create');
$export($export.P, 'Array', {
flatMap: function flatMap(callbackfn /* , thisArg */) {
var O = toObject(this);
var sourceLen, A;
aFunction(callbackfn);
sourceLen = toLength(O.length);
A = arraySpeciesCreate(O, 0);
flattenIntoArray(A, O, O, sourceLen, 0, 1, callbackfn, arguments[1]);
return A;
}
});
require('./_add-to-unscopables')('flatMap');