add process.platform

src/node/internal/process.ts

@@ -92,9 +92,12 @@ export function exit(code: number) {
  utilImpl.processExitImpl(code);
 }
 
+export const platform = utilImpl.processPlatform;
+
 export default {
  nextTick,
  env,
  exit,
  getBuiltinModule,
+ platform,
 };

src/node/internal/util.d.ts

@@ -123,3 +123,4 @@ export function isBoxedPrimitive(
 export function getBuiltinModule(id: string): any;
 export function getCallSite(frames: number): Record<string, string>[];
 export function processExitImpl(code: number): void;
+export const processPlatform: string;

src/workerd/api/node/BUILD.bazel

@@ -214,3 +214,9 @@ wd_test(
  args = ["--experimental"],
  data = ["tests/process-exit-test.js"],
 )
+
+wd_test(
+ src = "tests/process-nodejs-test.wd-test",
+ args = ["--experimental"],
+ data = ["tests/process-nodejs-test.js"],
+)

src/workerd/api/node/tests/process-nodejs-test.js

@@ -0,0 +1,7 @@
+import assert from 'node:assert';
+
+export const processPlatform = {
+ test() {
+ assert.strictEqual(typeof process.platform, 'string');
+ },
+};

src/workerd/api/node/tests/process-nodejs-test.wd-test

@@ -0,0 +1,15 @@
+using Workerd = import "/workerd/workerd.capnp";
+
+const unitTests :Workerd.Config = (
+ services = [
+ ( name = "nodejs-process-test",
+ worker = (
+ modules = [
+ (name = "worker", esModule = embed "process-nodejs-test.js")
+ ],
+ compatibilityDate = "2024-10-11",
+ compatibilityFlags = ["nodejs_compat"],
+ )
+ ),
+ ],
+);

src/workerd/api/node/util.c++

@@ -289,4 +289,16 @@ void UtilModule::processExitImpl(jsg::Lock& js, int code) {
  js.logWarning(kj::str(err.get(js, "stack"_kj)));
 }
 
+kj::String UtilModule::getProcessPlatform() const {
+#ifdef _WIN32
+ return kj::str("win32");
+#elif defined(__linux__)
+ return kj::str("linux");
+#elif defined(__APPLE__)
+ return kj::str("darwin");
+#else
+ JSG_FAIL_REQUIRE(Error, "Unsupported platform"_kj);
+#endif
+}
+
 } // namespace workerd::api::node

src/workerd/api/node/util.h

@@ -215,6 +215,7 @@ class UtilModule final: public jsg::Object {
  bool isBoxedPrimitive(jsg::JsValue value);
 
  jsg::JsValue getBuiltinModule(jsg::Lock& js, kj::String specifier);
+ kj::String getProcessPlatform() const;
 
  // This is used in the implementation of process.exit(...). Contrary
  // to what the name suggests, it does not actually exit the process.
@@ -251,6 +252,7 @@ class UtilModule final: public jsg::Object {
 
  JSG_METHOD(getBuiltinModule);
  JSG_METHOD(processExitImpl);
+ JSG_READONLY_INSTANCE_PROPERTY(processPlatform, getProcessPlatform);
  }
 };