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

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

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"));
+}