module: Allow runMain to be ESM

This follows the EPS an allows the node CLI to have ESM as an entry point.
`node ./example.mjs`. A newer V8 is needed for `import()` so that is not
included. `import.meta` is still in specification stage so that also is not
included.

PR-URL: https://github.com/nodejs/node/pull/14369
Author: Bradley Farias <bradley.meck@gmail.com>
Author: Guy Bedford <guybedford@gmail.com>
Author: Jan Krems <jan.krems@groupon.com>
Author: Timothy Gu <timothygu99@gmail.com>
Author: Michaël Zasso <targos@protonmail.com>
Author: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

1 files changed, 6 insertions, 7 deletions

diff --git a/test/testpy/__init__.py b/test/testpy/__init__.py
index 37e5ac710b..f113c1253a 100644
--- a/test/testpy/__init__.py
+++ b/test/testpy/__init__.py
@@ -27,7 +27,7 @@
 
 import test
 import os
-from os.path import join, dirname, exists
+from os.path import join, dirname, exists, splitext
 import re
 import ast
 
@@ -109,18 +109,17 @@ class SimpleTestConfiguration(test.TestConfiguration):
       self.additional_flags = []
 
   def Ls(self, path):
-    def SelectTest(name):
-      return name.startswith('test-') and name.endswith('.js')
-    return [f[:-3] for f in os.listdir(path) if SelectTest(f)]
+    return [f for f in os.listdir(path) if re.match('^test-.*\.m?js$', f)]
 
   def ListTests(self, current_path, path, arch, mode):
     all_tests = [current_path + [t] for t in self.Ls(join(self.root))]
     result = []
     for test in all_tests:
       if self.Contains(path, test):
-        file_path = join(self.root, reduce(join, test[1:], "") + ".js")
-        result.append(SimpleTestCase(test, file_path, arch, mode, self.context,
-                                     self, self.additional_flags))
+        file_path = join(self.root, reduce(join, test[1:], ""))
+        test_name = test[:-1] + [splitext(test[-1])[0]]
+        result.append(SimpleTestCase(test_name, file_path, arch, mode,
+                                     self.context, self, self.additional_flags))
     return result
 
   def GetBuildRequirements(self):