From 020e0176b098e70752553afce61e90763587ecc5 Mon Sep 17 00:00:00 2001
From: aoi-dev-0411 <aoikabu12@gmail.com>
Date: Sat, 11 Apr 2026 17:22:17 +0900
Subject: [PATCH] feat: add Prettier for code formatting

Adds .prettierrc with Tailwind CSS plugin, .prettierignore, and format scripts.

Closes #27
---
 .prettierignore |  6 ++++++
 .prettierrc     | 11 +++++++++++
 package.json    |  6 +++++-
 3 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 .prettierignore
 create mode 100644 .prettierrc

diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..0d2e9fd
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,6 @@
+node_modules
+.next
+out
+build
+coverage
+pnpm-lock.yaml
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..56642f7
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,11 @@
+{
+  "semi": true,
+  "singleQuote": false,
+  "tabWidth": 2,
+  "trailingComma": "all",
+  "printWidth": 80,
+  "bracketSpacing": true,
+  "arrowParens": "always",
+  "endOfLine": "lf",
+  "plugins": ["prettier-plugin-tailwindcss"]
+}
diff --git a/package.json b/package.json
index f5469e7..48ba2e0 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,9 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint"
+    "lint": "next lint",
+    "format": "prettier --write .",
+    "format:check": "prettier --check ."
   },
   "dependencies": {
     "@octokit/graphql": "^9.0.3",
@@ -30,6 +32,8 @@
     "eslint-config-next": "^16.2.2",
     "postcss": "^8.4.47",
     "tailwindcss": "^3.4.14",
+    "prettier": "^3.4.2",
+    "prettier-plugin-tailwindcss": "^0.6.11",
     "typescript": "^6.0.2"
   }
 }