fix(frontend): blurhashが無い場合に何も出力されないのを修正 (#14250)

* fix(frontend): blurhashが無い場合に何も出力されないのを修正

* Update Changelog

* Update packages/frontend/src/components/MkImgWithBlurhash.vue

Co-authored-by: tamaina <tamaina@hotmail.co.jp>

* attempt to fix test

* Update packages/frontend/src/components/MkImgWithBlurhash.vue

Co-authored-by: tamaina <tamaina@hotmail.co.jp>

* attempt to ignore test

---------

Co-authored-by: tamaina <tamaina@hotmail.co.jp>

1 files changed, 7 insertions, 3 deletions

diff --git a/packages/frontend/src/components/MkImgWithBlurhash.vue b/packages/frontend/src/components/MkImgWithBlurhash.vue
index 617404f5c4..8d301f16bd 100644
--- a/packages/frontend/src/components/MkImgWithBlurhash.vue
+++ b/packages/frontend/src/components/MkImgWithBlurhash.vue
@@ -151,22 +151,26 @@ function drawImage(bitmap: CanvasImageSource) {
 }
 
 function drawAvg() {
-	if (!canvas.value || !props.hash) return;
+	if (!canvas.value) return;
+
+	const color = (props.hash != null && extractAvgColorFromBlurhash(props.hash)) || '#888';
 
 	const ctx = canvas.value.getContext('2d');
 	if (!ctx) return;
 
 	// avgColorでお茶をにごす
 	ctx.beginPath();
-	ctx.fillStyle = extractAvgColorFromBlurhash(props.hash) ?? '#888';
+	ctx.fillStyle = color;
 	ctx.fillRect(0, 0, canvasWidth.value, canvasHeight.value);
 }
 
 async function draw() {
-	if (props.hash == null) return;
+	if (import.meta.env.MODE === 'test' && props.hash == null) return;
 
 	drawAvg();
 
+	if (props.hash == null) return;
+
 	if (props.onlyAvgColor) return;
 
 	const work = await canvasPromise;