17 lines
663 B
JavaScript
17 lines
663 B
JavaScript
'use strict';
|
|
var $ = require('../internals/export');
|
|
var bind = require('../internals/function-bind-context');
|
|
var aMap = require('../internals/a-map');
|
|
var iterate = require('../internals/map-iterate');
|
|
|
|
// `Map.prototype.every` method
|
|
// https://github.com/tc39/proposal-collection-methods
|
|
$({ target: 'Map', proto: true, real: true, forced: true }, {
|
|
every: function every(callbackfn /* , thisArg */) {
|
|
var map = aMap(this);
|
|
var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined);
|
|
return iterate(map, function (value, key) {
|
|
if (!boundFunction(value, key, map)) return false;
|
|
}, true) !== false;
|
|
}
|
|
});
|