esnext.set.delete-all.js•633 B
'use strict';
var $ = require('../internals/export');
var aSet = require('../internals/a-set');
var remove = require('../internals/set-helpers').remove;
// `Set.prototype.deleteAll` method
// https://github.com/tc39/proposal-collection-methods
$({ target: 'Set', proto: true, real: true, forced: true }, {
deleteAll: function deleteAll(/* ...elements */) {
var collection = aSet(this);
var allDeleted = true;
var wasDeleted;
for (var k = 0, len = arguments.length; k < len; k++) {
wasDeleted = remove(collection, arguments[k]);
allDeleted = allDeleted && wasDeleted;
} return !!allDeleted;
}
});