fix: correct mainModule code (#179)

packages/shim-deno/src/deno/stable/variables/mainModule.test.ts

@@ -0,0 +1,12 @@
+import assert from "assert/strict";
+import { fileURLToPath, pathToFileURL } from "url";
+import { join, resolve } from "path";
+
+import { mainModule } from "./mainModule.js";
+
+Deno.test("should get entrypoint", () => {
+  const path = resolve(
+    join(fileURLToPath(import.meta.url), "../../../../../tools/run_tests.mjs"),
+  );
+  assert.equal(mainModule, pathToFileURL(path).toString());
+});

packages/shim-deno/src/deno/stable/variables/mainModule.ts

@@ -3,5 +3,5 @@ import { join } from "path";
 import { pathToFileURL } from "url";
 
 export const mainModule: typeof Deno.mainModule = pathToFileURL(
-  process.argv[1] ?? join(Deno.cwd(), "$deno$repl.ts"),
+  process.argv[1] ?? join(process.cwd(), "$deno$repl.ts"),
 ).href;

packages/shim-deno/tools/working_test_files.txt

@@ -2,6 +2,7 @@ src/deno/internal/streams.test.ts
 src/deno/stable/functions/open.test.ts
 src/deno/stable/functions/resolveDns.test.ts
 src/deno/stable/functions/run.test.ts
+src/deno/stable/variables/mainModule.test.ts
 third_party/deno/cli/tests/unit/abort_controller_test.ts
 third_party/deno/cli/tests/unit/blob_test.ts
 third_party/deno/cli/tests/unit/build_test.ts