Bundle and minify `.exports.js` files. (#3036)

* move all exports.js into src/js

* finalize the sort of this

* and it works

* add test.ts to gitignore

* okay

* convert some to ts just to show

* finish up

* fixup makefile

* minify syntax in dev

* finish rebase

* dont minify all modules

* merge

* finish rebase merge

* flaky test that hangs

1 files changed, 28 insertions, 0 deletions

diff --git a/src/js/node/perf_hooks.js b/src/js/node/perf_hooks.js
new file mode 100644
index 000000000..fb5929c57
--- /dev/null
+++ b/src/js/node/perf_hooks.js
@@ -0,0 +1,28 @@
+// Hardcoded module "node:perf_hooks"
+import { throwNotImplemented } from "../shared";
+
+export var performance = globalThis.performance;
+
+export class PerformanceObserver {
+  constructor() {
+    throwNotImplemented("PerformanceObserver");
+  }
+}
+
+export class PerformanceEntry {
+  constructor() {
+    throwNotImplemented("PerformanceEntry");
+  }
+}
+export class PerformanceNodeTiming {
+  constructor() {
+    throw new Error("PerformanceNodeTiming is not supported in this environment.");
+  }
+}
+
+export default {
+  performance,
+  PerformanceEntry,
+  PerformanceNodeTiming,
+  [Symbol.for("CommonJS")]: 0,
+};