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import { RuleTester as ESLintTesterV8 } from 'eslint-v8'
import { RuleTester as ESLintTesterV9 } from 'eslint'
import { rules } from '@next/eslint-plugin-next'
const NextESLintRule = rules['no-script-component-in-head']
const message =
'`next/script` should not be used in `next/head` component. Move `<Script />` outside of `<Head>` instead. See: https://nextjs.org/docs/messages/no-script-component-in-head'
const tests = {
valid: [
`import Script from "next/script";
const Head = ({children}) => children
export default function Index() {
return (
<Head>
<Script></Script>
</Head>
);
}
`,
],
invalid: [
{
code: `
import Head from "next/head";
import Script from "next/script";
export default function Index() {
return (
<Head>
<Script></Script>
</Head>
);
}`,
filename: 'pages/index.js',
errors: [{ message }],
},
],
}
describe('no-script-component-in-head', () => {
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)
})
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