From 46d30f454b45e35d7fad3b5e4a5c34fd7be0ad5d Mon Sep 17 00:00:00 2001
From: Copilot <198982749+Copilot@users.noreply.github.com>
Date: Fri, 7 Nov 2025 20:18:33 +0900
Subject: [PATCH] Fix postMessage type error in Web Worker files by adding
 triple-slash directives (#16761)

* Initial plan

* Add triple-slash directives to worker files to fix postMessage type error

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>
---
 packages/frontend-embed/src/workers/draw-blurhash.ts | 3 +++
 packages/frontend-embed/src/workers/test-webgl2.ts   | 3 +++
 packages/frontend/src/workers/draw-blurhash.ts       | 3 +++
 packages/frontend/src/workers/test-webgl2.ts         | 3 +++
 4 files changed, 12 insertions(+)

diff --git a/packages/frontend-embed/src/workers/draw-blurhash.ts b/packages/frontend-embed/src/workers/draw-blurhash.ts
index 6e49f6bf66..0f97a525a8 100644
--- a/packages/frontend-embed/src/workers/draw-blurhash.ts
+++ b/packages/frontend-embed/src/workers/draw-blurhash.ts
@@ -3,6 +3,9 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+/// <reference lib="esnext" />
+/// <reference lib="webworker" />
+
 import { render } from 'buraha';
 
 const canvas = new OffscreenCanvas(64, 64);
diff --git a/packages/frontend-embed/src/workers/test-webgl2.ts b/packages/frontend-embed/src/workers/test-webgl2.ts
index b203ebe666..aa512bd959 100644
--- a/packages/frontend-embed/src/workers/test-webgl2.ts
+++ b/packages/frontend-embed/src/workers/test-webgl2.ts
@@ -3,6 +3,9 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+/// <reference lib="esnext" />
+/// <reference lib="webworker" />
+
 const canvas = globalThis.OffscreenCanvas && new OffscreenCanvas(1, 1);
 // 環境によってはOffscreenCanvasが存在しないため
 // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
diff --git a/packages/frontend/src/workers/draw-blurhash.ts b/packages/frontend/src/workers/draw-blurhash.ts
index 6e49f6bf66..0f97a525a8 100644
--- a/packages/frontend/src/workers/draw-blurhash.ts
+++ b/packages/frontend/src/workers/draw-blurhash.ts
@@ -3,6 +3,9 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+/// <reference lib="esnext" />
+/// <reference lib="webworker" />
+
 import { render } from 'buraha';
 
 const canvas = new OffscreenCanvas(64, 64);
diff --git a/packages/frontend/src/workers/test-webgl2.ts b/packages/frontend/src/workers/test-webgl2.ts
index b203ebe666..aa512bd959 100644
--- a/packages/frontend/src/workers/test-webgl2.ts
+++ b/packages/frontend/src/workers/test-webgl2.ts
@@ -3,6 +3,9 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+/// <reference lib="esnext" />
+/// <reference lib="webworker" />
+
 const canvas = globalThis.OffscreenCanvas && new OffscreenCanvas(1, 1);
 // 環境によってはOffscreenCanvasが存在しないため
 // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition