From d018fe58aa91eb702b098df659f23f9a981f4368 Mon Sep 17 00:00:00 2001
From: "Hong Minhee (洪 民憙)" <hong@minhee.org>
Date: Tue, 14 Jan 2025 22:06:39 +0900
Subject: fix(backend): Let MfmService.fromHtml accept ruby (#15117)
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This fix makes `MfmService.fromHtml()` method accept `<ruby>` tags
and translate it to MFM's ruby characters syntax (`$[ruby ...]`).

このパッチは`MfmService.fromHtml()`メソッドが`<ruby>`タグをMFMの
読み仮名（ルビ）文法に翻訳する様に修正します。
---
 packages/backend/test/unit/MfmService.ts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'packages/backend/test/unit')

diff --git a/packages/backend/test/unit/MfmService.ts b/packages/backend/test/unit/MfmService.ts
index fd4a03413b..36af8823f6 100644
--- a/packages/backend/test/unit/MfmService.ts
+++ b/packages/backend/test/unit/MfmService.ts
@@ -108,6 +108,24 @@ describe('MfmService', () => {
 			assert.deepStrictEqual(mfmService.fromHtml('<p>a <a></a> d</p>'), 'a  d');
 		});
 
+		test('ruby', () => {
+			assert.deepStrictEqual(mfmService.fromHtml('<p>a <ruby>Misskey<rp>(</rp><rt>ミスキー</rt><rp>)</rp></ruby> b</p>'), 'a $[ruby Misskey ミスキー] b');
+			assert.deepStrictEqual(mfmService.fromHtml('<p>a <ruby>Misskey<rp>(</rp><rt>ミスキー</rt><rp>)</rp>Misskey<rp>(</rp><rt>ミスキー</rt><rp>)</rp></ruby> b</p>'), 'a $[ruby Misskey ミスキー]$[ruby Misskey ミスキー] b');
+		});
+
+		test('ruby with spaces', () => {
+			assert.deepStrictEqual(mfmService.fromHtml('<p>a <ruby>Miss key<rp>(</rp><rt>ミスキー</rt><rp>)</rp> b</ruby> c</p>'), 'a Miss key(ミスキー) b c');
+			assert.deepStrictEqual(mfmService.fromHtml('<p>a <ruby>Misskey<rp>(</rp><rt>ミス キー</rt><rp>)</rp> b</ruby> c</p>'), 'a Misskey(ミス キー) b c');
+			assert.deepStrictEqual(
+				mfmService.fromHtml('<p>a <ruby>Misskey<rp>(</rp><rt>ミスキー</rt><rp>)</rp>Misskey<rp>(</rp><rt>ミス キー</rt><rp>)</rp>Misskey<rp>(</rp><rt>ミスキー</rt><rp>)</rp></ruby> b</p>'),
+				'a Misskey(ミスキー)Misskey(ミス キー)Misskey(ミスキー) b'
+			);
+		});
+
+		test('ruby with other inline tags', () => {
+			assert.deepStrictEqual(mfmService.fromHtml('<p>a <ruby><strong>Misskey</strong><rp>(</rp><rt>ミスキー</rt><rp>)</rp> b</ruby> c</p>'), 'a **Misskey**(ミスキー) b c');
+		});
+
 		test('mention', () => {
 			assert.deepStrictEqual(mfmService.fromHtml('<p>a <a href="https://example.com/@user" class="u-url mention">@user</a> d</p>'), 'a @user@example.com d');
 		});
-- 
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