fix(publish): print a warning when .jsx or .tsx is imported (#22631)

This commit adds a warning when .jsx or .tsx is encountered during
publishing.

This is a stop-gap solution before we fix it proper.

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/integration/publish_tests.rs b/tests/integration/publish_tests.rs
index fafc018f9..745736d65 100644
--- a/tests/integration/publish_tests.rs
+++ b/tests/integration/publish_tests.rs
@@ -257,6 +257,14 @@ itest!(jsr_jsonc {
   http_server: true,
 });
 
+itest!(unsupported_jsx_tsx {
+  args: "publish --token 'sadfasdf'",
+  cwd: Some("publish/unsupported_jsx_tsx"),
+  output: "publish/unsupported_jsx_tsx/mod.out",
+  envs: env_vars_for_jsr_npm_tests(),
+  http_server: true,
+});
+
 #[test]
 fn ignores_gitignore() {
   let context = publish_context_builder().build();