From b686907a45bb7d113f863cca7c52754027e449c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Wed, 6 Oct 2021 19:07:04 +0200
Subject: feat(compat): inject Node globals (#12342)

This commit adds automatic injection of Node globals when "--compat" flag
is present.

This is done by executing "https://deno.land/std/node/global.ts" as a "side module",
before main module is executed.

This commit makes "--compat" required to be used with "--unstable" flag, as some
of Node globals require unstable Deno APIs.
---
 cli/tests/integration/compat_tests.rs             | 7 ++++++-
 cli/tests/testdata/compat/existing_import_map.out | 3 ++-
 cli/tests/testdata/compat/globals.out             | 7 +++++++
 cli/tests/testdata/compat/globals.ts              | 8 ++++++++
 4 files changed, 23 insertions(+), 2 deletions(-)
 create mode 100644 cli/tests/testdata/compat/globals.out
 create mode 100644 cli/tests/testdata/compat/globals.ts

(limited to 'cli/tests')

diff --git a/cli/tests/integration/compat_tests.rs b/cli/tests/integration/compat_tests.rs
index e1da32caf..6743dada1 100644
--- a/cli/tests/integration/compat_tests.rs
+++ b/cli/tests/integration/compat_tests.rs
@@ -2,6 +2,11 @@
 
 use crate::itest;
 
+itest!(globals {
+  args: "run --compat --unstable --allow-read --allow-env compat/globals.ts",
+  output: "compat/globals.out",
+});
+
 itest!(fs_promises {
   args: "run --compat --unstable -A compat/fs_promises.js",
   output: "compat/fs_promises.out",
@@ -13,7 +18,7 @@ itest!(node_prefix_fs_promises {
 });
 
 itest!(existing_import_map {
-  args: "run --compat --import-map compat/existing_import_map.json compat/fs_promises.js",
+  args: "run --compat --unstable --import-map compat/existing_import_map.json compat/fs_promises.js",
   output: "compat/existing_import_map.out",
   exit_code: 1,
 });
diff --git a/cli/tests/testdata/compat/existing_import_map.out b/cli/tests/testdata/compat/existing_import_map.out
index 0e319b115..cbff0cc51 100644
--- a/cli/tests/testdata/compat/existing_import_map.out
+++ b/cli/tests/testdata/compat/existing_import_map.out
@@ -2,4 +2,5 @@
 Some Node built-ins were not added to the import map:
   - "fs/promises" already exists and is mapped to "[WILDCARD]non_existent_file.js"
 If you want to use Node built-ins provided by Deno remove listed specifiers from "imports" mapping in the import map file.
-error: Cannot resolve module [WILDCARD]
\ No newline at end of file
+[WILDCARD]
+error: Cannot resolve module [WILDCARD]
diff --git a/cli/tests/testdata/compat/globals.out b/cli/tests/testdata/compat/globals.out
new file mode 100644
index 000000000..0bc09137b
--- /dev/null
+++ b/cli/tests/testdata/compat/globals.out
@@ -0,0 +1,7 @@
+[WILDCARD]
+process {
+[WILDCARD]
+}
+[Function: Buffer]
+[Function: setImmediate]
+[Function: clearTimeout]
diff --git a/cli/tests/testdata/compat/globals.ts b/cli/tests/testdata/compat/globals.ts
new file mode 100644
index 000000000..39a555cbf
--- /dev/null
+++ b/cli/tests/testdata/compat/globals.ts
@@ -0,0 +1,8 @@
+if (global != window) {
+  throw new Error("global is not equal to window");
+}
+
+console.log(process);
+console.log(Buffer);
+console.log(setImmediate);
+console.log(clearImmediate);
-- 
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