.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/modules/es.object.lookup-setter.js

   1 'use strict';
   2 var $ = require('../internals/export');
   3 var DESCRIPTORS = require('../internals/descriptors');
   4 var FORCED = require('../internals/object-prototype-accessors-forced');
   5 var toObject = require('../internals/to-object');
   6 var toPropertyKey = require('../internals/to-property-key');
   7 var getPrototypeOf = require('../internals/object-get-prototype-of');
   8 var getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;
   9
  10 // `Object.prototype.__lookupSetter__` method
  11 // https://tc39.es/ecma262/#sec-object.prototype.__lookupSetter__
  12 if (DESCRIPTORS) {
  13   $({ target: 'Object', proto: true, forced: FORCED }, {
  14     __lookupSetter__: function __lookupSetter__(P) {
  15       var O = toObject(this);
  16       var key = toPropertyKey(P);
  17       var desc;
  18       do {
  19         if (desc = getOwnPropertyDescriptor(O, key)) return desc.set;
  20       } while (O = getPrototypeOf(O));
  21     }
  22   });
  23 }