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

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

cli/standalone/binary.rs

@@ -138,6 +138,7 @@ pub enum NodeModules {
 pub struct Metadata {
   pub argv: Vec<String>,
   pub unstable: bool,
+  pub unstable_features: Vec<String>,
   pub seed: Option<u64>,
   pub permissions: PermissionsOptions,
   pub location: Option<Url>,
@@ -542,6 +543,7 @@ impl<'a> DenoCompileBinaryWriter<'a> {
     let metadata = Metadata {
       argv: compile_flags.args.clone(),
       unstable: cli_options.unstable(),
+      unstable_features: cli_options.unstable_features(),
       seed: cli_options.seed(),
       location: cli_options.location_flag().clone(),
       permissions: cli_options.permissions_options(),

cli/standalone/mod.rs

@@ -488,6 +488,11 @@ pub async fn run(
     if metadata.unstable {
       checker.enable_legacy_unstable();
     }
+    for feature in metadata.unstable_features {
+      // `metadata` is valid for the whole lifetime of the program, so we
+      // can leak the string here.
+      checker.enable_feature(feature.leak());
+    }
     checker
   });
   let worker_factory = CliMainWorkerFactory::new(

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");
+}

cli/tests/testdata/compile/unstable_features.ts

@@ -0,0 +1,2 @@
+const db = await Deno.openKv();
+console.log(db);