.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/internals/add-to-unscopables.js

   1 var wellKnownSymbol = require('../internals/well-known-symbol');
   2 var create = require('../internals/object-create');
   3 var definePropertyModule = require('../internals/object-define-property');
   4
   5 var UNSCOPABLES = wellKnownSymbol('unscopables');
   6 var ArrayPrototype = Array.prototype;
   7
   8 // Array.prototype[@@unscopables]
   9 // https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
  10 if (ArrayPrototype[UNSCOPABLES] == undefined) {
  11   definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {
  12     configurable: true,
  13     value: create(null)
  14   });
  15 }
  16
  17 // add a key to Array.prototype[@@unscopables]
  18 module.exports = function (key) {
  19   ArrayPrototype[UNSCOPABLES][key] = true;
  20 };