.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/modules/es.function.name.js

   1 var DESCRIPTORS = require('../internals/descriptors');
   2 var FUNCTION_NAME_EXISTS = require('../internals/function-name').EXISTS;
   3 var uncurryThis = require('../internals/function-uncurry-this');
   4 var defineProperty = require('../internals/object-define-property').f;
   5
   6 var FunctionPrototype = Function.prototype;
   7 var functionToString = uncurryThis(FunctionPrototype.toString);
   8 var nameRE = /function\b(?:\s|\/\*[\S\s]*?\*\/|\/\/[^\n\r]*[\n\r]+)*([^\s(/]*)/;
   9 var regExpExec = uncurryThis(nameRE.exec);
  10 var NAME = 'name';
  11
  12 // Function instances `.name` property
  13 // https://tc39.es/ecma262/#sec-function-instances-name
  14 if (DESCRIPTORS && !FUNCTION_NAME_EXISTS) {
  15   defineProperty(FunctionPrototype, NAME, {
  16     configurable: true,
  17     get: function () {
  18       try {
  19         return regExpExec(nameRE, functionToString(this))[1];
  20       } catch (error) {
  21         return '';
  22       }
  23     }
  24   });
  25 }