Error handling bugfix: pass #1

src/commands/start/index.ts

@@ -2,7 +2,10 @@ import { Command } from "commander";
 import path from "path";
 import type { BunSpawnOptions } from "../../types";
 import writeErrorFile from "../../functions/write-error-file";
-import { existsSync } from "fs";
+import grabDirNames from "../../utils/grab-dir-names";
+import { existsSync, rmSync } from "fs";
+
+const { BUNX_BUNDLER_ERROR_EXIT_FILE } = grabDirNames();
 
 let retries = 0;
 let timeout: any;
@@ -12,6 +15,10 @@ export default function () {
     return new Command("start")
         .description("Start production server")
         .action(async () => {
+            // A stale error file from a previous session makes the bundler
+            // run in "silent" mode and pages fail with misleading messages.
+            rmSync(BUNX_BUNDLER_ERROR_EXIT_FILE, { force: true });
+
             await start();
         });
 }
@@ -59,7 +66,9 @@ async function start() {
 
     const exited = await dev_process.exited;
 
-    if (exited) {
+    // Restart on any numeric exit (0 included). A null exit means the child
+    // was killed by a signal, which we must not restart.
+    if (exited != null) {
         retries++;
         timeout = setTimeout(() => {
             retries = 0;