Software: Apache/2.4.41 (Ubuntu). PHP/8.0.30 

uname -a: Linux apirnd 5.4.0-204-generic #224-Ubuntu SMP Thu Dec 5 13:38:28 UTC 2024 x86_64 

uid=33(www-data) gid=33(www-data) groups=33(www-data) 

Safe-mode: OFF (not secure)

/var/www/html/pmb/node_modules_old/core-js/modules/   drwxrwxrwx
Free 13.04 GB of 57.97 GB (22.49%)
                            Encoder    Tools    Proc.    FTP brute    Sec.    SQL    PHP-code    Update    Self remove    Logout    

Viewing file:     esnext.map.key-by.js (619 B)      -rwxrwxrwx

'use strict';
var $ = require('../internals/export');
var call = require('../internals/function-call');
var iterate = require('../internals/iterate');
var aCallable = require('../internals/a-callable');

// `Map.keyBy` method
// https://github.com/tc39/proposal-collection-methods
$({ target: 'Map', stat: true, forced: true }, {
  keyBy: function keyBy(iterable, keyDerivative) {
    var newMap = new this();
    aCallable(keyDerivative);
    var setter = aCallable(newMap.set);
    iterate(iterable, function (element) {
      call(setter, newMap, keyDerivative(element), element);
    });
    return newMap;
  }
});