port check_if_should_use_esm_loader to rust (#12562)

1 files changed, 1 insertions, 27 deletions

diff --git a/cli/compat/mod.rs b/cli/compat/mod.rs
index 997265f96..3797d7cb4 100644
--- a/cli/compat/mod.rs
+++ b/cli/compat/mod.rs
@@ -8,6 +8,7 @@ use deno_core::located_script_name;
 use deno_core::url::Url;
 use deno_core::JsRuntime;
 
+pub use esm_resolver::check_if_should_use_esm_loader;
 pub(crate) use esm_resolver::NodeEsmResolver;
 
 // TODO(bartlomieju): this needs to be bumped manually for
@@ -86,33 +87,6 @@ fn try_resolve_builtin_module(specifier: &str) -> Option<Url> {
   }
 }
 
-pub(crate) async fn check_if_should_use_esm_loader(
-  js_runtime: &mut JsRuntime,
-  main_module: &str,
-) -> Result<bool, AnyError> {
-  // Decide if we're running with Node ESM loader or CJS loader.
-  let source_code = &format!(
-    r#"(async function checkIfEsm(main) {{
-      const {{ resolveMainPath, shouldUseESMLoader }} = await import("{}");
-      const resolvedMain = resolveMainPath(main);
-      const useESMLoader = shouldUseESMLoader(resolvedMain);
-      return useESMLoader;
-    }})('{}');"#,
-    MODULE_URL_STR.as_str(),
-    escape_for_single_quote_string(main_module),
-  );
-  let result =
-    js_runtime.execute_script(&located_script_name!(), source_code)?;
-  let use_esm_loader_global = js_runtime.resolve_value(result).await?;
-  let use_esm_loader = {
-    let scope = &mut js_runtime.handle_scope();
-    let use_esm_loader_local = use_esm_loader_global.open(scope);
-    use_esm_loader_local.boolean_value(scope)
-  };
-
-  Ok(use_esm_loader)
-}
-
 pub(crate) fn load_cjs_module(
   js_runtime: &mut JsRuntime,
   main_module: &str,