.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/internals/well-known-symbol.js

   1 var global = require('../internals/global');
   2 var shared = require('../internals/shared');
   3 var hasOwn = require('../internals/has-own-property');
   4 var uid = require('../internals/uid');
   5 var NATIVE_SYMBOL = require('../internals/native-symbol');
   6 var USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');
   7
   8 var WellKnownSymbolsStore = shared('wks');
   9 var Symbol = global.Symbol;
  10 var symbolFor = Symbol && Symbol['for'];
  11 var createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;
  12
  13 module.exports = function (name) {
  14   if (!hasOwn(WellKnownSymbolsStore, name) || !(NATIVE_SYMBOL || typeof WellKnownSymbolsStore[name] == 'string')) {
  15     var description = 'Symbol.' + name;
  16     if (NATIVE_SYMBOL && hasOwn(Symbol, name)) {
  17       WellKnownSymbolsStore[name] = Symbol[name];
  18     } else if (USE_SYMBOL_AS_UID && symbolFor) {
  19       WellKnownSymbolsStore[name] = symbolFor(description);
  20     } else {
  21       WellKnownSymbolsStore[name] = createWellKnownSymbol(description);
  22     }
  23   } return WellKnownSymbolsStore[name];
  24 };