First working version

src/functions/server/server-post-build-fn.ts

@@ -0,0 +1,38 @@
+import _ from "lodash";
+import type { BundlerCTXMap, GlobalHMRControllerObject } from "../../types";
+
+type Params = {
+    artifacts: BundlerCTXMap[];
+};
+
+export default async function serverPostBuildFn({ artifacts }: Params) {
+    if (!global.IS_FIRST_BUNDLE_READY) {
+        global.IS_FIRST_BUNDLE_READY = true;
+    }
+
+    if (!global.HMR_CONTROLLERS?.[0]) {
+        return;
+    }
+
+    for (let i = 0; i < global.HMR_CONTROLLERS.length; i++) {
+        const controller = global.HMR_CONTROLLERS[i];
+        const target_artifact = artifacts.find(
+            (a) => controller.target_map.local_path == a.local_path,
+        );
+
+        if (!target_artifact?.local_path) continue;
+
+        const final_artifact: Omit<GlobalHMRControllerObject, "controller"> = {
+            ..._.omit(controller, ["controller"]),
+            target_map: target_artifact,
+        };
+
+        try {
+            controller.controller.enqueue(
+                `event: update\ndata: ${JSON.stringify(final_artifact)}\n\n`,
+            );
+        } catch {
+            global.HMR_CONTROLLERS.splice(i, 1);
+        }
+    }
+}