react-code-dataset
/
next.js
/packages
/eslint-plugin-next
/src
/rules
/no-head-import-in-document.ts
| import { defineRule } from '../utils/define-rule' | |
| import * as path from 'path' | |
| const url = 'https://nextjs.org/docs/messages/no-head-import-in-document' | |
| export = defineRule({ | |
| meta: { | |
| docs: { | |
| description: 'Prevent usage of `next/head` in `pages/_document.js`.', | |
| recommended: true, | |
| url, | |
| }, | |
| type: 'problem', | |
| schema: [], | |
| }, | |
| create(context) { | |
| return { | |
| ImportDeclaration(node) { | |
| if (node.source.value !== 'next/head') { | |
| return | |
| } | |
| 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') | |
| ) { | |
| context.report({ | |
| node, | |
| message: `\`next/head\` should not be imported in \`pages${document}\`. Use \`<Head />\` from \`next/document\` instead. See: ${url}`, | |
| }) | |
| } | |
| }, | |
| } | |
| }, | |
| }) | |