364 function readPackage(requestPath) {  argument
365   const jsonPath = path.resolve(requestPath, 'package.json');
423 function tryPackage(requestPath, exts, isMain, originalPath) {  argument
424   const pkg = _readPackage(requestPath)?.main;
427     return tryExtensions(path.resolve(requestPath, 'index'), exts, isMain);
430   const filename = path.resolve(requestPath, pkg);
435     actual = tryExtensions(path.resolve(requestPath, 'index'), exts, isMain);
443       err.path = path.resolve(requestPath, 'package.json');
444       err.requestPath = originalPath;
448       const jsonPath = path.resolve(requestPath, 'package.json');
469 function tryFile(requestPath, isMain) {  argument
470   const rc = _stat(requestPath);
473     return path.resolve(requestPath);
475   return toRealPath(requestPath);
478 function toRealPath(requestPath) {  argument
479   return fs.realpathSync(requestPath, {