run_main_module.js

'use strict';

const { RegExpPrototypeExec } = primordials;

const {
  prepareMainThreadExecution,
  markBootstrapComplete
} = require('internal/process/pre_execution');

prepareMainThreadExecution(true);

markBootstrapComplete();

// Necessary to reset RegExp statics before user code runs.
RegExpPrototypeExec(/^/, '');

// Note: this loads the module through the ESM loader if the module is
// determined to be an ES module. This hangs from the CJS module loader
// because we currently allow monkey-patching of the module loaders
// in the preloaded scripts through require('module').
// runMain here might be monkey-patched by users in --require.
// XXX: the monkey-patchability here should probably be deprecated.
require('internal/modules/cjs/loader').Module.runMain(process.argv[1]);