From 40cc7af57a5e918bf39c1c20c7a9a18d99916b32 Mon Sep 17 00:00:00 2001
From: Ed Pelc <ed@freightchick.com>
Date: Tue, 31 Dec 2024 10:57:25 -0500
Subject: [PATCH 1/3] use import() if ERR_REQUIRE_ASYNC_MODULE   - supports
 node v22.12.0 and later when using top level await

---
 lib/shared/require-or-import.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/shared/require-or-import.js b/lib/shared/require-or-import.js
index 4cf5877e..af98aac5 100644
--- a/lib/shared/require-or-import.js
+++ b/lib/shared/require-or-import.js
@@ -23,7 +23,8 @@ function requireOrImport(path, callback) {
     if (pathToFileURL && importESM) {
       // Because e.code is undefined on nyc process.
       /* istanbul ignore else */
-      if (e.code === 'ERR_REQUIRE_ESM' || process.env.NYC_CONFIG) {
+      // Check 'ERR_REQUIRE_ASYNC_MODULE' if on node v22.12.0 or later to allow importing from files using top level await.
+      if (e.code === 'ERR_REQUIRE_ESM' || process.env.NYC_CONFIG || e.code === 'ERR_REQUIRE_ASYNC_MODULE') {
         // This is needed on Windows, because import() fails if providing a Windows file path.
         var url = pathToFileURL(path);
         importESM(url).then(function(esm) { callback(null, esm); }, callback);

From fd1742b26f6ff00a508bf5b5fe77c0634e714ae0 Mon Sep 17 00:00:00 2001
From: Blaine Bublitz <blaine.bublitz@gmail.com>
Date: Sun, 1 Jun 2025 13:34:01 -0700
Subject: [PATCH 2/3] add regression test

---
 test/esm.js                              | 29 ++++++++++++++++++++++++
 test/fixtures/gulpfiles/gulpfile-tla.mjs |  7 ++++++
 2 files changed, 36 insertions(+)
 create mode 100644 test/fixtures/gulpfiles/gulpfile-tla.mjs

diff --git a/test/esm.js b/test/esm.js
index 52affdab..74f10d60 100644
--- a/test/esm.js
+++ b/test/esm.js
@@ -60,4 +60,33 @@ describe('ESM', function() {
     }
   });
 
+  it('prints the task list (top-level await)', function(done) {
+    if (shouldSkip()) {
+      this.skip();
+    }
+
+    var options = '--tasks --sort-tasks --gulpfile ./test/fixtures/gulpfiles/gulpfile-tla.mjs';
+    var trailingLines = 1;
+    if (!semver.satisfies(process.version, '^12.17.0 || >=13.2.0')) {
+      options += ' --experimental-modules';
+      trailingLines += 2;
+    }
+
+    var opts = { cwd: baseDir };
+    exec(gulp(options), opts, cb);
+
+    function cb(err, stdout, stderr) {
+      expect(err).toBeNull();
+      if (!semver.satisfies(process.version, '^12.20.0 || >=13.14.0')) {
+        expect(stderr).toMatch('ExperimentalWarning: The ESM module loader is experimental.\n');
+      } else {
+        expect(stderr).toEqual('');
+      }
+      var filepath = path.join(expectedDir, 'esm.txt');
+      var expected = fs.readFileSync(filepath, 'utf-8');
+      expect(sliceLines(stdout, trailingLines)).toEqual(expected);
+      done(err);
+    }
+  });
+
 });
diff --git a/test/fixtures/gulpfiles/gulpfile-tla.mjs b/test/fixtures/gulpfiles/gulpfile-tla.mjs
new file mode 100644
index 00000000..c6a97a4d
--- /dev/null
+++ b/test/fixtures/gulpfiles/gulpfile-tla.mjs
@@ -0,0 +1,7 @@
+const dynamicNoop = await Promise.resolve(function noop(cb) {
+  cb();
+});
+
+export const registered = dynamicNoop;
+export function exported(){};
+export const string = 'no function';

From 59ddb2ab6b7c216e78bb33de317ad2af6b14cf71 Mon Sep 17 00:00:00 2001
From: Blaine Bublitz <blaine.bublitz@gmail.com>
Date: Sun, 1 Jun 2025 13:38:10 -0700
Subject: [PATCH 3/3] no await keyword in node 10 or 12

---
 test/esm.js | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/test/esm.js b/test/esm.js
index 74f10d60..784a4036 100644
--- a/test/esm.js
+++ b/test/esm.js
@@ -65,23 +65,19 @@ describe('ESM', function() {
       this.skip();
     }
 
+    if (semver.satisfies(process.version, '10 || 12')) {
+      this.skip();
+    }
+
     var options = '--tasks --sort-tasks --gulpfile ./test/fixtures/gulpfiles/gulpfile-tla.mjs';
     var trailingLines = 1;
-    if (!semver.satisfies(process.version, '^12.17.0 || >=13.2.0')) {
-      options += ' --experimental-modules';
-      trailingLines += 2;
-    }
 
     var opts = { cwd: baseDir };
     exec(gulp(options), opts, cb);
 
     function cb(err, stdout, stderr) {
       expect(err).toBeNull();
-      if (!semver.satisfies(process.version, '^12.20.0 || >=13.14.0')) {
-        expect(stderr).toMatch('ExperimentalWarning: The ESM module loader is experimental.\n');
-      } else {
-        expect(stderr).toEqual('');
-      }
+      expect(stderr).toEqual('');
       var filepath = path.join(expectedDir, 'esm.txt');
       var expected = fs.readFileSync(filepath, 'utf-8');
       expect(sliceLines(stdout, trailingLines)).toEqual(expected);