fix: do not panic running remote cjs module (#26259)

Instead error.

4 files changed, 13 insertions, 1 deletions

diff --git a/cli/worker.rs b/cli/worker.rs
index 489b2dd93..e230197d2 100644
--- a/cli/worker.rs
+++ b/cli/worker.rs
@@ -552,7 +552,8 @@ impl CliMainWorkerFactory {
           .await?;
         self.shared.cjs_resolution_store.is_known_cjs(&main_module)
       } else {
-        specifier_has_extension(&main_module, "cjs")
+        main_module.scheme() == "file"
+          && specifier_has_extension(&main_module, "cjs")
       };
       (main_module, is_cjs)
     };
diff --git a/tests/specs/run/remote_cjs_main/__test__.jsonc b/tests/specs/run/remote_cjs_main/__test__.jsonc
new file mode 100644
index 000000000..f45d09406
--- /dev/null
+++ b/tests/specs/run/remote_cjs_main/__test__.jsonc
@@ -0,0 +1,5 @@
+{
+  "args": "run http://localhost:4545/run/add.cjs",
+  "output": "output.out",
+  "exitCode": 1
+}
diff --git a/tests/specs/run/remote_cjs_main/output.out b/tests/specs/run/remote_cjs_main/output.out
new file mode 100644
index 000000000..f75c33907
--- /dev/null
+++ b/tests/specs/run/remote_cjs_main/output.out
@@ -0,0 +1,3 @@
+Download http://localhost:4545/run/add.cjs
+error: Expected a JavaScript or TypeScript module, but identified a Cjs module. Importing these types of modules is currently not supported.
+  Specifier: http://localhost:4545/run/add.cjs
diff --git a/tests/testdata/run/add.cjs b/tests/testdata/run/add.cjs
new file mode 100644
index 000000000..2a886fbc1
--- /dev/null
+++ b/tests/testdata/run/add.cjs
@@ -0,0 +1,3 @@
+module.exports.add = function (a, b) {
+  return a + b;
+};