feat: Biomeを導入してPrettierを置き換え

- @biomejs/biome v2.0.6を追加
- Prettierを削除してBiomeでフォーマットとリントを統合
- lint-stagedとpre-commitフックを更新
- コードスタイル設定（4スペース、120文字、ダブルクォート）を維持
- フォーマットとリントのパフォーマンスを向上

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: azu

.githooks/pre-commit

@@ -1,2 +1,2 @@
 #!/bin/sh
-npx --no-install lint-staged
+npx lint-staged

.textlintrc.json

@@ -1,7 +1,7 @@
 {
-  "plugins": {},
-  "filters": {},
-  "rules": {
-    "preset-japanese": true
-  }
-}
+    "plugins": {},
+    "filters": {},
+    "rules": {
+        "preset-japanese": true
+    }
+}

biome.json

@@ -0,0 +1,33 @@
+{
+    "$schema": "https://biomejs.dev/schemas/2.0.6/schema.json",
+    "files": {
+        "ignoreUnknown": false,
+        "includes": ["src/**/*", "test/**/*", "*.js", "*.ts", "*.json"]
+    },
+    "formatter": {
+        "enabled": true,
+        "formatWithErrors": false,
+        "indentStyle": "space",
+        "indentWidth": 4,
+        "lineWidth": 120,
+        "lineEnding": "lf"
+    },
+    "linter": {
+        "enabled": true,
+        "rules": {
+            "recommended": true
+        }
+    },
+    "javascript": {
+        "formatter": {
+            "quoteStyle": "double",
+            "semicolons": "always",
+            "trailingCommas": "none"
+        }
+    },
+    "json": {
+        "formatter": {
+            "enabled": true
+        }
+    }
+}

package-lock.json

@@ -32,7 +32,8 @@
   ],
   "scripts": {
     "build": "textlint-scripts build",
-    "format": "prettier --write \"**/*.{js,jsx,ts,tsx,css}\"",
+    "format": "biome check --write ./",
+    "lint": "biome check ./",
     "prepare": "git config --local core.hooksPath .githooks",
     "prepublishOnly": "npm run build",
     "test": "npm run test:unit && npm run lint:text && npm run lint:README",
@@ -43,7 +44,7 @@
   },
   "lint-staged": {
     "*.{js,jsx,ts,tsx,css}": [
-      "prettier --write"
+      "biome format --write --no-errors-on-unmatched"
     ]
   },
   "prettier": {
@@ -53,10 +54,11 @@
     "trailingComma": "none"
   },
   "devDependencies": {
+    "@biomejs/biome": "^2.0.6",
     "@textlint/types": "^14.8.4",
     "@types/node": "^24.0.1",
+    "husky": "^9.1.7",
     "lint-staged": "^16.1.2",
-    "prettier": "^3.5.3",
     "textlint": "^14.8.4",
     "textlint-rule-preset-japanese": "^10.0.4",
     "textlint-scripts": "^14.8.4",

package.json

@@ -1,8 +1,8 @@
-import noAiListFormatting from "./rules/no-ai-list-formatting";
-import noAiHypeExpressions from "./rules/no-ai-hype-expressions";
-import noAiEmphasisPatterns from "./rules/no-ai-emphasis-patterns";
 import aiTechWritingGuideline from "./rules/ai-tech-writing-guideline";
 import noAiColonContinuation from "./rules/no-ai-colon-continuation";
+import noAiEmphasisPatterns from "./rules/no-ai-emphasis-patterns";
+import noAiHypeExpressions from "./rules/no-ai-hype-expressions";
+import noAiListFormatting from "./rules/no-ai-list-formatting";
 
 const preset = {
     rules: {

src/index.ts

@@ -1,5 +1,5 @@
-import type { TextlintRuleModule } from "@textlint/types";
 import { matchPatterns } from "@textlint/regexp-string-matcher";
+import type { TextlintRuleModule } from "@textlint/types";
 import { StringSource } from "textlint-util-to-string";
 
 /**

src/rules/ai-tech-writing-guideline.ts

@@ -1,6 +1,6 @@
 import { matchPatterns } from "@textlint/regexp-string-matcher";
-import { StringSource } from "textlint-util-to-string";
 import { tokenize } from "kuromojin";
+import { StringSource } from "textlint-util-to-string";
 
 /**
  * コロンの直後にブロック要素が続くパターンを検出するルール

src/rules/no-ai-colon-continuation.ts

@@ -1,5 +1,5 @@
-import type { TextlintRuleModule } from "@textlint/types";
 import { matchPatterns } from "@textlint/regexp-string-matcher";
+import type { TextlintRuleModule } from "@textlint/types";
 
 export interface Options {
     // 指定したパターンにマッチする場合、エラーを報告しません
@@ -56,7 +56,7 @@ const rule: TextlintRuleModule<Options> = (context, options = {}) => {
                 return;
             }
 
-            let emojiEmphasizeMatches: RegExpExecArray[] = [];
+            const emojiEmphasizeMatches: RegExpExecArray[] = [];
 
             // 絵文字 + 太字の組み合わせパターンを検出
             if (!disableEmojiEmphasisPatterns) {
@@ -125,7 +125,7 @@ const rule: TextlintRuleModule<Options> = (context, options = {}) => {
                 }
             }
 
-            let emojiEmphasizeMatches: RegExpExecArray[] = [];
+            const emojiEmphasizeMatches: RegExpExecArray[] = [];
 
             // リストアイテム内での絵文字 + 太字パターンを検出
             if (!disableEmojiEmphasisPatterns) {

src/rules/no-ai-emphasis-patterns.ts

@@ -1,5 +1,5 @@
-import type { TextlintRuleModule } from "@textlint/types";
 import { matchPatterns } from "@textlint/regexp-string-matcher";
+import type { TextlintRuleModule } from "@textlint/types";
 
 export interface Options {
     // If node's text includes allowed patterns, does not report.

src/rules/no-ai-hype-expressions.ts

@@ -1,5 +1,5 @@
-import type { TextlintRuleModule } from "@textlint/types";
 import { matchPatterns } from "@textlint/regexp-string-matcher";
+import type { TextlintRuleModule } from "@textlint/types";
 
 export interface Options {
     // If node's text includes allowed patterns, does not report.