react-code-dataset
/
next.js
/packages
/eslint-plugin-next
/src
/rules
/no-script-component-in-head.ts
| import { defineRule } from '../utils/define-rule' | |
| const url = 'https://nextjs.org/docs/messages/no-script-component-in-head' | |
| export = defineRule({ | |
| meta: { | |
| docs: { | |
| description: 'Prevent usage of `next/script` in `next/head` component.', | |
| recommended: true, | |
| url, | |
| }, | |
| type: 'problem', | |
| schema: [], | |
| }, | |
| create(context) { | |
| let isNextHead = null | |
| return { | |
| ImportDeclaration(node) { | |
| if (node.source.value === 'next/head') { | |
| isNextHead = node.source.value | |
| } | |
| if (node.source.value !== 'next/script') { | |
| return | |
| } | |
| }, | |
| JSXElement(node) { | |
| if (!isNextHead) { | |
| return | |
| } | |
| if ( | |
| node.openingElement && | |
| node.openingElement.name && | |
| node.openingElement.name.name !== 'Head' | |
| ) { | |
| return | |
| } | |
| const scriptTag = node.children.find( | |
| (child) => | |
| child.openingElement && | |
| child.openingElement.name && | |
| child.openingElement.name.name === 'Script' | |
| ) | |
| if (scriptTag) { | |
| context.report({ | |
| node, | |
| message: `\`next/script\` should not be used in \`next/head\` component. Move \`<Script />\` outside of \`<Head>\` instead. See: ${url}`, | |
| }) | |
| } | |
| }, | |
| } | |
| }, | |
| }) | |