From 0d0712893a384d0277ab96d3addc58f91a706b73 Mon Sep 17 00:00:00 2001
From: FineArchs <133759614+FineArchs@users.noreply.github.com>
Date: Mon, 19 Feb 2024 04:38:37 +0900
Subject: [PATCH 1/4] Update MkMisskeyFlavoredMarkdown.ts

---
 .../src/components/global/MkMisskeyFlavoredMarkdown.ts   | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
index 6ce3b6752f0..f7a20c1d70d 100644
--- a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
+++ b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
@@ -224,6 +224,15 @@ export default function (props: MfmProps, { emit }: { emit: SetupContext<MfmEven
 						}
 						return h(MkSparkle, {}, genEl(token.children, scale));
 					}
+					case 'blink': {
+						if (!useAnim) {
+							return genEl(token.children, scale);
+						}
+						const speed = validTime(token.props.args.speed) ?? '1s';
+						const delay = validTime(token.props.args.delay) ?? '0s';
+						style = `animation: mfm-blink ${speed} linear infinite; animation-delay: ${delay};`;
+						break;
+					}
 					case 'rotate': {
 						const degrees = safeParseFloat(token.props.args.deg) ?? 90;
 						style = `transform: rotate(${degrees}deg); transform-origin: center center;`;

From 71f9bb28995996b7afc3680e1738fa5f703c9164 Mon Sep 17 00:00:00 2001
From: FineArchs <133759614+FineArchs@users.noreply.github.com>
Date: Mon, 19 Feb 2024 04:48:38 +0900
Subject: [PATCH 2/4] Update style.scss

---
 packages/frontend/src/style.scss | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/frontend/src/style.scss b/packages/frontend/src/style.scss
index cbec3772779..ee2ca6b4dd0 100644
--- a/packages/frontend/src/style.scss
+++ b/packages/frontend/src/style.scss
@@ -631,3 +631,8 @@ rt {
 	0% { filter: hue-rotate(0deg) contrast(150%) saturate(150%); }
 	100% { filter: hue-rotate(360deg) contrast(150%) saturate(150%); }
 }
+
+@keyframes mfm-blink {
+	0% { visibility: hidden; }
+	50% { visibility: visible; }
+}

From 731ff4bf37a7d9e10e24fa94f2df18d9bf4cce13 Mon Sep 17 00:00:00 2001
From: FineArchs <133759614+FineArchs@users.noreply.github.com>
Date: Mon, 19 Feb 2024 05:25:47 +0900
Subject: [PATCH 3/4] Update style.scss

---
 packages/frontend/src/style.scss | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/frontend/src/style.scss b/packages/frontend/src/style.scss
index ee2ca6b4dd0..5bd07e97a21 100644
--- a/packages/frontend/src/style.scss
+++ b/packages/frontend/src/style.scss
@@ -634,5 +634,6 @@ rt {
 
 @keyframes mfm-blink {
 	0% { visibility: hidden; }
-	50% { visibility: visible; }
+	50% { visibility: hidden; }
+	100% { visibility: visible; }
 }

From 98dadceb7146eda46cb31d8a58fe0fa4f0d874b7 Mon Sep 17 00:00:00 2001
From: FineArchs <133759614+FineArchs@users.noreply.github.com>
Date: Mon, 19 Feb 2024 05:36:58 +0900
Subject: [PATCH 4/4] Update const.ts

---
 packages/frontend/src/const.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/frontend/src/const.ts b/packages/frontend/src/const.ts
index 0bac4d0b7ca..a6ef832c153 100644
--- a/packages/frontend/src/const.ts
+++ b/packages/frontend/src/const.ts
@@ -108,7 +108,7 @@ export const DEFAULT_SERVER_ERROR_IMAGE_URL = 'https://xn--931a.moe/assets/error
 export const DEFAULT_NOT_FOUND_IMAGE_URL = 'https://xn--931a.moe/assets/not-found.jpg';
 export const DEFAULT_INFO_IMAGE_URL = 'https://xn--931a.moe/assets/info.jpg';
 
-export const MFM_TAGS = ['tada', 'jelly', 'twitch', 'shake', 'spin', 'jump', 'bounce', 'flip', 'x2', 'x3', 'x4', 'scale', 'position', 'fg', 'bg', 'border', 'font', 'blur', 'rainbow', 'sparkle', 'rotate', 'ruby', 'unixtime'];
+export const MFM_TAGS = ['tada', 'jelly', 'twitch', 'shake', 'spin', 'jump', 'bounce', 'flip', 'x2', 'x3', 'x4', 'scale', 'position', 'fg', 'bg', 'border', 'font', 'blur', 'rainbow', 'sparkle', 'blink', 'rotate', 'ruby', 'unixtime'];
 export const MFM_PARAMS: Record<typeof MFM_TAGS[number], string[]> = {
 	tada: ['speed=', 'delay='],
 	jelly: ['speed=', 'delay='],
@@ -129,6 +129,7 @@ export const MFM_PARAMS: Record<typeof MFM_TAGS[number], string[]> = {
 	font: ['serif', 'monospace', 'cursive', 'fantasy', 'emoji', 'math'],
 	blur: [],
 	rainbow: ['speed=', 'delay='],
+	blink: ['speed=', 'delay='],
 	rotate: ['deg='],
 	ruby: [],
 	unixtime: [],