From a30e38856e2e0c153ae925877616e9559f1533b2 Mon Sep 17 00:00:00 2001
From: Jake Archibald <jaffathecake@gmail.com>
Date: Tue, 22 Sep 2020 17:48:51 +0100
Subject: [PATCH] Avoid infinite rebuilds

---
 lib/image-worker-plugin.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/image-worker-plugin.js b/lib/image-worker-plugin.js
index 40d7ed74..3cf41cb4 100644
--- a/lib/image-worker-plugin.js
+++ b/lib/image-worker-plugin.js
@@ -19,6 +19,8 @@ import glob from 'glob';
 const globP = promisify(glob);
 
 export default function () {
+  let previousWorkerContent;
+
   return {
     name: 'image-worker-plugin',
     async buildStart() {
@@ -56,6 +58,10 @@ export default function () {
         .flat(Infinity)
         .join('\n');
 
+      // If nothing's changed, avoid touching the file to avoid infinite rebuilding in watch mode
+      if (previousWorkerContent === workerFile) return;
+      previousWorkerContent = workerFile;
+
       const tsConfig = {
         extends: '../../../generic-tsconfig.json',
         compilerOptions: {