Method createContext

lib/repl.js:1125–1179

()

    process.nextTick(() => super.close());
  }
  createContext() {
    let context;
    if (this.useGlobal) {
      context = globalThis;
    } else {
      sendInspectorCommand((session) => {
        session.post('Runtime.enable');
        session.once('Runtime.executionContextCreated', ({ params }) => {
          this[kContextId] = params.context.id;
        });
        context = vm.createContext(vm.constants.DONT_CONTEXTIFY);
        session.post('Runtime.disable');
      }, () => {
        context = vm.createContext(vm.constants.DONT_CONTEXTIFY);
      });
      ArrayPrototypeForEach(ObjectGetOwnPropertyNames(globalThis), (name) => {
        // Only set properties that do not already exist as a global builtin.
        if (!globalBuiltins.has(name)) {
          ObjectDefineProperty(context, name,
                               {
                                 __proto__: null,
                                 ...ObjectGetOwnPropertyDescriptor(globalThis, name),
                               });
        }
      });
      context.global = context;
      const _console = new Console(this.output);
      ObjectDefineProperty(context, 'console', {
        __proto__: null,
        configurable: true,
        writable: true,
        value: _console,
      });
    }

    const replModule = new CJSModule('<repl>');
    replModule.paths = CJSModule._resolveLookupPaths('<repl>', parentModule);

    ObjectDefineProperty(context, 'module', {
      __proto__: null,
      configurable: true,
      writable: true,
      value: replModule,
    });
    ObjectDefineProperty(context, 'require', {
      __proto__: null,
      configurable: true,
      writable: true,
      value: makeRequireFunction(replModule),
    });

    addBuiltinLibsToObject(context, '<REPL>');

    return context;
  }
  resetContext() {
    this.context = this.createContext();
    this.underscoreAssigned = false;