esm: fix return type of import.meta.resolve

PR-URL: #49698
Backport-PR-URL: #50669
Fixes: #49695
Reviewed-By: Geoffrey Booth <[email protected]>
Reviewed-By: Guy Bedford <[email protected]>

Author: aduh95

lib/internal/errors.js

@@ -1455,7 +1455,7 @@ E('ERR_MISSING_ARGS',
 E('ERR_MISSING_OPTION', '%s is required', TypeError);
 E('ERR_MODULE_NOT_FOUND', function(path, base, exactUrl) {
   if (exactUrl) {
-    lazyInternalUtil().setOwnProperty(this, 'url', exactUrl);
+    lazyInternalUtil().setOwnProperty(this, 'url', `${exactUrl}`);
   }
   return `Cannot find ${
     exactUrl ? 'module' : 'package'} '${path}' imported from ${base}`;

test/es-module/test-esm-import-meta-resolve.mjs

@@ -9,10 +9,8 @@ const fixtures = dirname.slice(0, dirname.lastIndexOf('/', dirname.length - 2) +
 
 assert.strictEqual(import.meta.resolve('./test-esm-import-meta.mjs'),
                    dirname + 'test-esm-import-meta.mjs');
-const notFound = import.meta.resolve('./notfound.mjs');
-assert.strictEqual(new URL(notFound).href, new URL('./notfound.mjs', import.meta.url).href);
-const noExtension = import.meta.resolve('./asset');
-assert.strictEqual(new URL(noExtension).href, new URL('./asset', import.meta.url).href);
+assert.strictEqual(import.meta.resolve('./notfound.mjs'), new URL('./notfound.mjs', import.meta.url).href);
+assert.strictEqual(import.meta.resolve('./asset'), new URL('./asset', import.meta.url).href);
 try {
   import.meta.resolve('does-not-exist');
   assert.fail();