feat: add ext/node for require support (#15362)

This commit adds "ext/node" extension that implementes CommonJS module system.

In the future this extension might be extended to actually contain implementation of
Node compatibility layer in favor of "deno_std/node".

Currently this functionality is not publicly exposed, it is available via "Deno[Deno.internal].require"
namespace and is meant to be used by other functionality to be landed soon.

This is a minimal first pass, things that still don't work:

support for dynamic imports in CJS
conditional exports

1 files changed, 17 insertions, 0 deletions

diff --git a/cli/tests/testdata/commonjs/init.js b/cli/tests/testdata/commonjs/init.js
new file mode 100644
index 000000000..142ae7c76
--- /dev/null
+++ b/cli/tests/testdata/commonjs/init.js
@@ -0,0 +1,17 @@
+import { fromFileUrl } from "../../../../test_util/std/path/mod.ts";
+
+const DENO_NODE_COMPAT_URL = Deno.env.get("DENO_NODE_COMPAT_URL");
+const moduleAllUrl = `${DENO_NODE_COMPAT_URL}node/module_all.ts`;
+const processUrl = `${DENO_NODE_COMPAT_URL}node/process.ts`;
+let moduleName = import.meta.resolve(Deno.args[0]);
+moduleName = fromFileUrl(moduleName);
+
+const [moduleAll, processModule] = await Promise.all([
+  import(moduleAllUrl),
+  import(processUrl),
+]);
+Deno[Deno.internal].require.initializeCommonJs(
+  moduleAll.default,
+  processModule.default,
+);
+Deno[Deno.internal].require.Module._load(moduleName, null, true);