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.

1 files changed, 8 insertions, 0 deletions

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);