feat(npm): implement Node API (#13633)

This PR implements the NAPI for loading native modules into Deno. 

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
Co-authored-by: DjDeveloper <43033058+DjDeveloperr@users.noreply.github.com>
Co-authored-by: Ryan Dahl <ry@tinyclouds.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/test_napi/common.js b/test_napi/common.js
new file mode 100644
index 000000000..13dad6cfc
--- /dev/null
+++ b/test_napi/common.js
@@ -0,0 +1,20 @@
+// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
+
+export {
+  assert,
+  assertEquals,
+  assertRejects,
+} from "../test_util/std/testing/asserts.ts";
+export { fromFileUrl } from "../test_util/std/path/mod.ts";
+
+const targetDir = Deno.execPath().replace(/[^\/\\]+$/, "");
+const [libPrefix, libSuffix] = {
+  darwin: ["lib", "dylib"],
+  linux: ["lib", "so"],
+  windows: ["", "dll"],
+}[Deno.build.os];
+
+export function loadTestLibrary() {
+  const specifier = `${targetDir}/${libPrefix}test_napi.${libSuffix}`;
+  return Deno.core.ops.op_napi_open(specifier); // Internal, used in ext/node
+}