import { defineRule } from '../utils/define-rule' import * as path from 'path' const url = 'https://nextjs.org/docs/messages/no-styled-jsx-in-document' export = defineRule({ meta: { docs: { description: 'Prevent usage of `styled-jsx` in `pages/_document.js`.', recommended: true, url, }, type: 'problem', schema: [], }, create(context) { return { JSXOpeningElement(node) { const document = context.filename.split('pages', 2)[1] if (!document) { return } const { name, dir } = path.parse(document) if ( !( name.startsWith('_document') || (dir === '/_document' && name === 'index') ) ) { return } if ( node.name.name === 'style' && node.attributes.find( (attr) => attr.type === 'JSXAttribute' && attr.name.name === 'jsx' ) ) { context.report({ node, message: `\`styled-jsx\` should not be used in \`pages/_document.js\`. See: ${url}`, }) } }, } }, })