import rule from '@next/eslint-plugin-next/dist/rules/no-head-element' import { RuleTester } from 'eslint' ;(RuleTester as any).setDefaultConfig({ parserOptions: { ecmaVersion: 2018, sourceType: 'module', ecmaFeatures: { modules: true, jsx: true, }, }, }) const ruleTester = new RuleTester() ruleTester.run('no-head-element', rule, { valid: [ { code: `import Head from 'next/head'; export class MyComponent { render() { return (
` from `next/head` instead. See: https://nextjs.org/docs/messages/no-head-element', type: 'JSXOpeningElement', }, ], }, { code: `import Head from 'next/head'; export class MyComponent { render() { return (
); } }`, filename: 'pages/index.ts', errors: [ { message: 'Do not use `
` element. Use `
` from `next/head` instead. See: https://nextjs.org/docs/messages/no-head-element', type: 'JSXOpeningElement', }, ], }, ], })