Resolve worker specifiers relative to main module of host. (#2751)

1 files changed, 13 insertions, 3 deletions

diff --git a/cli/ops.rs b/cli/ops.rs
index d75e7bd20..d5da90567 100644
--- a/cli/ops.rs
+++ b/cli/ops.rs
@@ -2095,9 +2095,21 @@ fn op_create_worker(
 
   let parent_state = state.clone();
 
+  let mut module_specifier = ModuleSpecifier::resolve_url_or_path(specifier)?;
+
+  let mut child_argv = parent_state.argv.clone();
+
+  if !has_source_code {
+    if let Some(module) = state.main_module() {
+      module_specifier =
+        ModuleSpecifier::resolve_import(specifier, &module.to_string())?;
+      child_argv[1] = module_specifier.to_string();
+    }
+  }
+
   let child_state = ThreadSafeState::new(
     parent_state.flags.clone(),
-    parent_state.argv.clone(),
+    child_argv,
     op_selector_std,
     parent_state.progress.clone(),
     include_deno_namespace,
@@ -2134,8 +2146,6 @@ fn op_create_worker(
     return ok_buf(exec_cb(worker));
   }
 
-  let module_specifier = ModuleSpecifier::resolve_url_or_path(specifier)?;
-
   let op = worker
     .execute_mod_async(&module_specifier, false)
     .and_then(move |()| Ok(exec_cb(worker)));