add some properties to require

Author: aduh95

lib/internal/modules/esm/translators.js

@@ -41,7 +41,7 @@ const { fileURLToPath, pathToFileURL, URL } = require('internal/url');
 let debug = require('internal/util/debuglog').debuglog('esm', (fn) => {
   debug = fn;
 });
-const { emitExperimentalWarning, kEmptyObject } = require('internal/util');
+const { emitExperimentalWarning, kEmptyObject, setOwnProperty } = require('internal/util');
 const {
   ERR_UNKNOWN_BUILTIN_MODULE,
   ERR_INVALID_RETURN_PROPERTY_VALUE,
@@ -147,7 +147,7 @@ const cjsCache = new SafeMap();
 function createCJSModuleWrap(url, source) {
   debug(`Translating CJSModule ${url}`);
 
-  const filename = fileURLToPath(new URL(url));
+  const filename = StringPrototypeStartsWith(url, 'file://') ? fileURLToPath(url) : url;
 
   const { exportNames, module } = cjsPreparseModuleExports(filename, source);
   const namesWithDefault = exportNames.has('default') ?
@@ -173,6 +173,16 @@ function createCJSModuleWrap(url, source) {
       job.runSync();
       return cjsCache.get(job.url).exports;
     };
+    setOwnProperty(require, 'resolve', function resolve(spec) {
+      // TODO: add support for absolute paths
+      if (spec[0] === '.') {
+        spec = pathToFileURL(join(__dirname, spec));
+      }
+      const { url: resolvedURL } = asyncESM.esmLoader.resolve(spec, url);
+      return StringPrototypeStartsWith(resolvedURL, 'file://') ? fileURLToPath(resolvedURL) : resolvedURL;
+    });
+    setOwnProperty(require, 'cache', CJSModule._cache);
+    setOwnProperty(require, 'main', process.mainModule);
 
     cjsCache.set(url, module);
     ReflectApply(compiledWrapper, module.exports,
@@ -211,6 +221,7 @@ translators.set('commonjs', async function commonjsStrategy(url, source,
 });
 
 function cjsPreparseModuleExports(filename, source) {
+  // TODO: Do we want to keep hitting the user mutable CJS loader here?
   let module = CJSModule._cache[filename];
   if (module) {
     const cached = cjsParseCache.get(module);