Update app to SvelteKit static build with Oxc tooling

.github/dependabot.yml

@@ -0,0 +1,15 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      npm-dependencies:
+        patterns:
+          - "*"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/ci.yml

@@ -0,0 +1,37 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  checks:
+    runs-on: ubuntu-slim
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10.33.0
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: 22
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Check formatting
+        run: pnpm run format:check
+
+      - name: Lint
+        run: pnpm run lint
+
+      - name: Typecheck
+        run: pnpm run check

.gitignore

@@ -1,13 +1,16 @@
 # Logs
 logs
 *.log
+vite-preview*.log
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 pnpm-debug.log*
 lerna-debug.log*
 
 node_modules
+.svelte-kit
+build
 dist
 dist-ssr
 *.local

.oxfmtrc.json

@@ -0,0 +1,19 @@
+{
+	"$schema": "./node_modules/oxfmt/configuration_schema.json",
+	"useTabs": true,
+	"singleQuote": false,
+	"sortImports": {
+		"groups": [
+			"type-import",
+			["value-builtin", "value-external"],
+			"type-internal",
+			"value-internal",
+			["type-parent", "type-sibling", "type-index"],
+			["value-parent", "value-sibling", "value-index"],
+			"unknown"
+		]
+	},
+	"sortPackageJson": {
+		"sortScripts": true
+	}
+}

.oxlintrc.json

@@ -0,0 +1,10 @@
+{
+	"$schema": "./node_modules/oxlint/configuration_schema.json",
+	"env": {
+		"browser": true,
+		"es2024": true,
+		"node": true
+	},
+	"ignorePatterns": ["build/**", ".svelte-kit/**"],
+	"plugins": ["import", "typescript", "vitest"]
+}

README.md

@@ -3,7 +3,9 @@
 [A4toA3 - PDF変換ツール](https://a4toa3.hashory.app/)
 
 ## 概要
+
 A4toA3は、A4サイズのPDFの2ページ分を1枚のA3用紙に並べて配置した新しいPDFを作成するツールです。
 
 ## ライセンス
+
 このプロジェクトは [MITライセンス](LICENSE) のもとで公開されています。

package.json

@@ -3,22 +3,37 @@
 	"version": "1.0.0",
 	"type": "module",
 	"scripts": {
-		"dev": "vite",
-		"build": "tsc && vite build",
+		"build": "svelte-kit sync && vite build",
+		"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
+		"dev": "vite dev",
+		"format": "oxfmt --write .",
+		"format:check": "oxfmt --check .",
+		"lint": "oxlint .",
+		"prepare": "svelte-kit sync",
 		"preview": "vite preview",
-		"biome": "biome check --write"
-	},
-	"devDependencies": {
-		"@biomejs/biome": "^2.0.6",
-		"@types/node": "^24.0.10",
-		"tsx": "^4.21.0",
-		"typescript": "~5.7.2",
-		"vite": "^6.3.1",
-		"vite-plugin-sitemap": "^0.8.2",
-		"vitest": "^4.0.15"
+		"test": "vitest run"
 	},
 	"dependencies": {
 		"pdf-lib": "^1.17.1",
 		"ts-custom-error": "^3.3.1"
-	}
+	},
+	"devDependencies": {
+		"@sveltejs/adapter-static": "^3.0.10",
+		"@sveltejs/kit": "^2.57.1",
+		"@sveltejs/vite-plugin-svelte": "^7.0.0",
+		"@types/node": "^25.6.0",
+		"oxfmt": "^0.44.0",
+		"oxlint": "^1.59.0",
+		"svelte": "^5.55.3",
+		"svelte-check": "^4.4.6",
+		"tsx": "^4.21.0",
+		"typescript": "^6.0.2",
+		"vite": "^8.0.8",
+		"vitest": "^4.1.4"
+	},
+	"engines": {
+		"node": ">=22.12.0",
+		"pnpm": ">=10.33.0"
+	},
+	"packageManager": "pnpm@10.33.0"
 }