| import { RuleTester as ESLintTesterV8 } from 'eslint-v8' | |
| import { RuleTester as ESLintTesterV9 } from 'eslint' | |
| import { rules } from '@next/eslint-plugin-next' | |
| const NextESLintRule = rules['no-styled-jsx-in-document'] | |
| const tests = { | |
| valid: [ | |
| { | |
| filename: 'pages/_document.js', | |
| code: `import Document, { Html, Head, Main, NextScript } from 'next/document' | |
| export class MyDocument extends Document { | |
| static async getInitialProps(ctx) { | |
| const initialProps = await Document.getInitialProps(ctx) | |
| return { ...initialProps } | |
| } | |
| render() { | |
| return ( | |
| <Html> | |
| <Head /> | |
| <body> | |
| <Main /> | |
| <NextScript /> | |
| </body> | |
| </Html> | |
| ) | |
| } | |
| }`, | |
| }, | |
| { | |
| filename: 'pages/_document.js', | |
| code: `import Document, { Html, Head, Main, NextScript } from 'next/document' | |
| export class MyDocument extends Document { | |
| static async getInitialProps(ctx) { | |
| const initialProps = await Document.getInitialProps(ctx) | |
| return { ...initialProps } | |
| } | |
| render() { | |
| return ( | |
| <Html> | |
| <Head /> | |
| <style>{"\ | |
| body{\ | |
| color:red;\ | |
| }\ | |
| "}</style> | |
| <style {...{nonce: '123' }}></style> | |
| <body> | |
| <Main /> | |
| <NextScript /> | |
| </body> | |
| </Html> | |
| ) | |
| } | |
| }`, | |
| }, | |
| { | |
| filename: 'pages/index.js', | |
| code: ` | |
| export default function Page() { | |
| return ( | |
| <> | |
| <p>Hello world</p> | |
| <style jsx>{\` | |
| p { | |
| color: orange; | |
| } | |
| \`}</style> | |
| </> | |
| ) | |
| } | |
| `, | |
| }, | |
| ], | |
| invalid: [ | |
| { | |
| filename: 'pages/_document.js', | |
| code: ` | |
| import Document, { Html, Head, Main, NextScript } from 'next/document' | |
| export class MyDocument extends Document { | |
| static async getInitialProps(ctx) { | |
| const initialProps = await Document.getInitialProps(ctx) | |
| return { ...initialProps } | |
| } | |
| render() { | |
| return ( | |
| <Html> | |
| <Head /> | |
| <style jsx>{"\ | |
| body{\ | |
| color:red;\ | |
| }\ | |
| "}</style> | |
| <body> | |
| <Main /> | |
| <NextScript /> | |
| </body> | |
| </Html> | |
| ) | |
| } | |
| }`, | |
| errors: [ | |
| { | |
| message: `\`styled-jsx\` should not be used in \`pages/_document.js\`. See: https://nextjs.org/docs/messages/no-styled-jsx-in-document`, | |
| }, | |
| ], | |
| }, | |
| ], | |
| } | |
| describe('no-styled-jsx-in-document', () => { | |
| new ESLintTesterV8({ | |
| parserOptions: { | |
| ecmaVersion: 2018, | |
| sourceType: 'module', | |
| ecmaFeatures: { | |
| modules: true, | |
| jsx: true, | |
| }, | |
| }, | |
| }).run('eslint-v8', NextESLintRule, tests) | |
| new ESLintTesterV9({ | |
| languageOptions: { | |
| ecmaVersion: 2018, | |
| sourceType: 'module', | |
| parserOptions: { | |
| ecmaFeatures: { | |
| modules: true, | |
| jsx: true, | |
| }, | |
| }, | |
| }, | |
| }).run('eslint-v9', NextESLintRule, tests) | |
| }) | |