🤖
Vitest環境構築(Vite+React+TypeScript)
🌐 必要最低限のVitest環境構築
🔥 この記事を読むとできるようになること
- Vitestテスティングフレームワークの環境構築ができる
📓 必要なライブラリ
package.json
{
"devDependencies": {
"@eslint/js": "^9.19.0",
"@testing-library/jest-dom": "^6.6.3",
"@testing-library/react": "^16.2.0",
"@testing-library/user-event": "^14.6.1",
"@types/react": "^19.0.8",
"@types/react-dom": "^19.0.3",
"@vitejs/plugin-react-swc": "^3.5.0",
"@vitest/coverage-v8": "^3.0.6",
"eslint": "^9.19.0",
"eslint-plugin-react-hooks": "^5.0.0",
"eslint-plugin-react-refresh": "^0.4.18",
"globals": "^15.14.0",
"happy-dom": "^17.1.3",
"typescript": "~5.7.2",
"typescript-eslint": "^8.22.0",
"vite": "^6.1.0",
"vitest": "^3.0.6"
}
}
⚙️ 必要な設定
ルートディレクトリ直下にvite.config.ts
, tsconfig.json
, vitest.setup.ts
を作成。
vite.config.ts
/// <reference types="vitest" />
import { defineConfig } from "vite"
import react from "@vitejs/plugin-react-swc"
// https://vitejs.dev/config/
export default defineConfig({
plugins: [react()],
test: {
globals: true,
environment: "happy-dom",
setupFiles: 'vitest.setup.ts'
}
})
tsconfig.json
{
"compilerOptions": {
"types": [
"vitest/globals",
"@testing-library/jest-dom"
]
}
}
vitest.setup.ts
import '@testing-library/jest-dom'
📚 レビュー
- Vitestテスティングフレームワークの環境構築ができるようになったか
Discussion