fix(compile): preserve granular unstable features (#21827)

Fix https://github.com/denoland/deno/issues/21814

2 files changed, 28 insertions, 0 deletions

diff --git a/cli/tests/integration/compile_tests.rs b/cli/tests/integration/compile_tests.rs
index 788a7cda9..d6c7febd5 100644
--- a/cli/tests/integration/compile_tests.rs
+++ b/cli/tests/integration/compile_tests.rs
@@ -1123,3 +1123,29 @@ fn dynamic_imports_tmp_lit() {
   let output = context.new_command().name(&exe).run();
   output.assert_matches_text("a\nb\n{ data: 5 }\n{ data: 1 }\n");
 }
+
+#[test]
+fn granular_unstable_features() {
+  let context = TestContextBuilder::new().build();
+  let dir = context.temp_dir();
+  let exe = if cfg!(windows) {
+    dir.path().join("app.exe")
+  } else {
+    dir.path().join("app")
+  };
+  let output = context
+    .new_command()
+    .args_vec([
+      "compile",
+      "--output",
+      &exe.to_string_lossy(),
+      "--unstable-kv",
+      "./compile/unstable_features.ts",
+    ])
+    .run();
+  output.assert_exit_code(0);
+  output.skip_output_check();
+  let output = context.new_command().name(&exe).run();
+  output.assert_exit_code(0);
+  output.assert_matches_text("Kv {}\n");
+}
diff --git a/cli/tests/testdata/compile/unstable_features.ts b/cli/tests/testdata/compile/unstable_features.ts
new file mode 100644
index 000000000..819a3d187
--- /dev/null
+++ b/cli/tests/testdata/compile/unstable_features.ts
@@ -0,0 +1,2 @@
+const db = await Deno.openKv();
+console.log(db);