From 3ba12772d8cdbc4838453c891526bd0b42354ed2 Mon Sep 17 00:00:00 2001
From: naskya <m@naskya.net>
Date: Sun, 24 Sep 2023 18:12:29 +0900
Subject: [PATCH] bring back Chinese cat mode

---
 packages/backend/src/misc/nyaize.ts           | 57 ++++++++++---------
 .../backend/src/models/repositories/note.ts   |  3 +-
 2 files changed, 32 insertions(+), 28 deletions(-)

diff --git a/packages/backend/src/misc/nyaize.ts b/packages/backend/src/misc/nyaize.ts
index 13a112ce57..32c54fbd7b 100644
--- a/packages/backend/src/misc/nyaize.ts
+++ b/packages/backend/src/misc/nyaize.ts
@@ -1,28 +1,31 @@
-export function nyaize(text: string): string {
-	return (
-		text
-			// ja-JP
-			.replaceAll("な", "にゃ")
-			.replaceAll("ナ", "ニャ")
-			.replaceAll("ﾅ", "ﾆｬ")
-			// en-US
-			.replace(/(?<=n)a/gi, (x) => (x === "A" ? "YA" : "ya"))
-			.replace(/(?<=morn)ing/gi, (x) => (x === "ING" ? "YAN" : "yan"))
-			.replace(/(?<=every)one/gi, (x) => (x === "ONE" ? "NYAN" : "nyan"))
-			.replace(/non(?=[bcdfghjklmnpqrstvwxyz])/gi, (x) =>
-				x === "NON" ? "NYAN" : "nyan",
-			)
-			// ko-KR
-			.replace(/[나-낳]/g, (match) =>
-				String.fromCharCode(
-					match.charCodeAt(0)! + "냐".charCodeAt(0) - "나".charCodeAt(0),
-				),
-			)
-			.replace(/(다$)|(다(?=\.))|(다(?= ))|(다(?=!))|(다(?=\?))/gm, "다냥")
-			.replace(/(야(?=\?))|(야$)|(야(?= ))/gm, "냥")
-			// el-GR
-			.replaceAll("να", "νια")
-			.replaceAll("ΝΑ", "ΝΙΑ")
-			.replaceAll("Να", "Νια")
-	);
+export function nyaize(text: string, lang?: string): string {
+	text = text
+		// ja-JP
+		.replaceAll("な", "にゃ")
+		.replaceAll("ナ", "ニャ")
+		.replaceAll("ﾅ", "ﾆｬ")
+		// en-US
+		.replace(/(?<=n)a/gi, (x) => (x === "A" ? "YA" : "ya"))
+		.replace(/(?<=morn)ing/gi, (x) => (x === "ING" ? "YAN" : "yan"))
+		.replace(/(?<=every)one/gi, (x) => (x === "ONE" ? "NYAN" : "nyan"))
+		.replace(/non(?=[bcdfghjklmnpqrstvwxyz])/gi, (x) =>
+			x === "NON" ? "NYAN" : "nyan",
+		)
+		// ko-KR
+		.replace(/[나-낳]/g, (match) =>
+			String.fromCharCode(
+				match.charCodeAt(0)! + "냐".charCodeAt(0) - "나".charCodeAt(0),
+			),
+		)
+		.replace(/(다$)|(다(?=\.))|(다(?= ))|(다(?=!))|(다(?=\?))/gm, "다냥")
+		.replace(/(야(?=\?))|(야$)|(야(?= ))/gm, "냥")
+		// el-GR
+		.replaceAll("να", "νια")
+		.replaceAll("ΝΑ", "ΝΙΑ")
+		.replaceAll("Να", "Νια");
+
+	// zh-CN, zh-TW
+	if (lang === "zh") text = text.replace(/(妙|庙|描|渺|瞄|秒|苗|藐|廟)/g, "喵");
+
+	return text;
 }
diff --git a/packages/backend/src/models/repositories/note.ts b/packages/backend/src/models/repositories/note.ts
index 54001f9524..60e5a8d5ca 100644
--- a/packages/backend/src/models/repositories/note.ts
+++ b/packages/backend/src/models/repositories/note.ts
@@ -264,7 +264,8 @@ export const NoteRepository = db.getRepository(Note).extend({
 			const tokens = packed.text ? mfm.parse(packed.text) : [];
 			function nyaizeNode(node: mfm.MfmNode) {
 				if (node.type === "quote") return;
-				if (node.type === "text") node.props.text = nyaize(node.props.text);
+				if (node.type === "text")
+					node.props.text = nyaize(node.props.text, packed.lang);
 
 				if (node.children) {
 					for (const child of node.children) {