Project setup :

・Nextjs

・TypeScript

・Apollo Client

・React-testing-library

・Next-page-tester

・Tailwind CSS

・Mock Service Worker(MSW)

1. Nextjs Project 新規作成

1-1. yarn install *インストールしていない場合

npm install --global yarn
yarn --version

1-2. create-next-app

npx [email protected] .

Node.js version 10.13以降が必要です。 -> ターミナル node -vでver確認出来ます。

1-3. Apollo Client + heroicons + cross-fetch のインストール

yarn add @apollo/[email protected] [email protected] @apollo/[email protected] [email protected] @heroicons/[email protected]

1-4. React-Testing-Library + MSW + next-page-tester のインストール

yarn add [email protected] [email protected]
yarn add [email protected]
yarn add -D [email protected] [email protected] [email protected] @testing-library/[email protected] @types/[email protected] @testing-library/[email protected] @testing-library/[email protected] @testing-library/[email protected] [email protected] @babel/[email protected] jest-css-modules

1-5. Project folder 直下に".babelrc"ファイルを作成して下記設定を追加

touch .babelrc

    {
        "presets": ["next/babel"]
    }

1-6. package.json に jest の設定を追記

    "jest": {
        "testPathIgnorePatterns": [
            "<rootDir>/.next/",
            "<rootDir>/node_modules/"
        ],
        "moduleNameMapper": {
            "\\.(css)$": "<rootDir>/node_modules/jest-css-modules"
        }
    }

1-7. package.jsonに test scriptを追記

    "scripts": {
        ...
        "test": "jest --env=jsdom --verbose"
    },

1-8. prettierの設定 : settingsでRequire Config + Format On Saveにチェック

touch .prettierrc

    {
        "singleQuote": true,
        "semi": false
    }

2. TypeScript の導入

https://nextjs.org/learn/excel/typescript/create-tsconfig

2-1. 空のtsconfig.json作成

touch tsconfig.json

2-2. 必要moduleのインストール

yarn add -D typescript @types/[email protected] @types/[email protected]

2-3. 開発server起動

yarn dev

2-4. _app.js, index.js -> tsx へ拡張子変更

2-5. AppProps型追記

    import { AppProps } from 'next/app'

    function MyApp({ Component, pageProps }: AppProps) {
        return <Component {...pageProps} />
    }

    export default MyApp

3. Tailwind CSS の導入

https://tailwindcss.com/docs/guides/nextjs

3-1. 必要moduleのインストール

yarn add tailwindcss@latest postcss@latest autoprefixer@latest

3-2. tailwind.config.js, postcss.config.jsの生成

npx tailwindcss init -p

3-3. tailwind.config.jsのcontent設定追加

module.exports = {
    content: [
        "./pages/**/*.{js,ts,jsx,tsx}",
        "./components/**/*.{js,ts,jsx,tsx}",
    ],
    darkMode: false,
    theme: {
        extend: {},
    },
    variants: {
        extend: {},
    },
    plugins: [],
}

3-4. globals.cssの編集

@tailwind base;
@tailwind components;
@tailwind utilities;

4. Test動作確認

4-1. __tests__フォルダとHome.test.tsxファイルの作成

import { render, screen } from '@testing-library/react'
import '@testing-library/jest-dom/extend-expect'
import Home from '../pages/index'

it('Should render title text', () => {
  render(<Home />)
  expect(screen.getByText('Next.js!')).toBeInTheDocument()
})

4-2. yarn test -> テストがPASSするか確認

 PASS  __tests__/Home.test.tsx
  ✓ Should render hello text (20 ms)

Test Suites: 1 passed, 1 total
Tests:       1 passed, 1 total
Snapshots:   0 total
Time:        1.728 s, estimated 2 s

5. GraphQL codegen

5-1. install modules + init

yarn add -D @graphql-codegen/[email protected]
yarn graphql-codegen init
yarn
yarn add -D @graphql-codegen/[email protected]

5-2. add queries in queries/queries.ts file

5-3. generate types automatically

yarn gen-types