fix: bring back decorator flag in bundle command (#538)

Author: nyannyacha

cli/src/flags.rs

@@ -304,6 +304,14 @@ fn get_bundle_command() -> Command {
     .arg(
       arg!(--"import-map" <Path>).help("(DEPRECATED) Path to import map file"),
     )
+    .arg(
+      arg!(--"decorator" <TYPE>)
+        .help(concat!(
+          "(DEPRECATED) Type of decorator to use on the main worker and event worker. ",
+          "If not specified, the decorator feature is disabled."
+        ))
+        .value_parser(["tc39", "typescript", "typescript_with_metadata"]),
+    )
     .arg(
       arg!(--"checksum" <KIND>)
         .env("EDGE_RUNTIME_BUNDLE_CHECKSUM")

cli/src/main.rs

@@ -272,13 +272,27 @@ fn main() -> Result<ExitCode, anyhow::Error> {
           sub_matches.get_one::<String>("output").cloned().unwrap();
         let import_map_path =
           sub_matches.get_one::<String>("import-map").cloned();
+        let decorator = sub_matches.get_one::<String>("decorator").cloned();
         let static_patterns =
           if let Some(val_ref) = sub_matches.get_many::<String>("static") {
             val_ref.map(|s| s.as_str()).collect::<Vec<&str>>()
           } else {
             vec![]
           };
 
+        if import_map_path.is_some() {
+          warn!(concat!(
+            "Specifying import_map through flags is no longer supported. ",
+            "Please use deno.json instead."
+          ))
+        }
+        if decorator.is_some() {
+          warn!(concat!(
+            "Specifying decorator through flags is no longer supported. ",
+            "Please use deno.json instead."
+          ))
+        }
+
         let entrypoint_script_path = sub_matches
           .get_one::<String>("entrypoint")
           .cloned()