feat(compat): inject Node globals in REPL (#12352)

2 files changed, 20 insertions, 1 deletions

diff --git a/cli/main.rs b/cli/main.rs
index 7c6265fb4..4ffa8340c 100644
--- a/cli/main.rs
+++ b/cli/main.rs
@@ -821,9 +821,14 @@ async fn format_command(
 async fn run_repl(flags: Flags, repl_flags: ReplFlags) -> Result<(), AnyError> {
   let main_module = resolve_url_or_path("./$deno$repl.ts").unwrap();
   let permissions = Permissions::from_options(&flags.clone().into());
-  let ps = ProcState::build(flags).await?;
+  let ps = ProcState::build(flags.clone()).await?;
   let mut worker =
     create_main_worker(&ps, main_module.clone(), permissions, None);
+  if flags.compat {
+    worker
+      .execute_side_module(&compat::get_node_globals_url())
+      .await?;
+  }
   worker.run_event_loop(false).await?;
 
   tools::repl::run(&ps, worker, repl_flags.eval).await
diff --git a/cli/tests/integration/compat_tests.rs b/cli/tests/integration/compat_tests.rs
index 6743dada1..8f512fca3 100644
--- a/cli/tests/integration/compat_tests.rs
+++ b/cli/tests/integration/compat_tests.rs
@@ -1,6 +1,7 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 
 use crate::itest;
+use test_util as util;
 
 itest!(globals {
   args: "run --compat --unstable --allow-read --allow-env compat/globals.ts",
@@ -22,3 +23,16 @@ itest!(existing_import_map {
   output: "compat/existing_import_map.out",
   exit_code: 1,
 });
+
+#[test]
+fn globals_in_repl() {
+  let (out, err) = util::run_and_collect_output_with_args(
+    true,
+    vec!["repl", "--compat", "--unstable", "--quiet"],
+    Some(vec!["global == window"]),
+    None,
+    false,
+  );
+  assert!(out.contains("true"));
+  assert!(err.contains("Implicitly using latest version"));
+}