import { RuleTester as ESLintTesterV8 } from 'eslint-v8'
import { RuleTester as ESLintTesterV9 } from 'eslint'
import { rules } from '@next/eslint-plugin-next'
const NextESLintRule = rules['no-before-interactive-script-outside-document']
const message =
"`next/script`'s `beforeInteractive` strategy should not be used outside of `pages/_document.js`. See: https://nextjs.org/docs/messages/no-before-interactive-script-outside-document"
const tests = {
valid: [
{
code: `
import Document, { Html, Main, NextScript } from 'next/document'
import Script from 'next/script'
class MyDocument extends Document {
render() {
return (
)
}
}
export default MyDocument
`,
filename: 'pages/_document.js',
},
{
code: `
import Document, { Html, Main, NextScript } from 'next/document'
import ScriptComponent from 'next/script'
class MyDocument extends Document {
render() {
return (
)
}
}
export default MyDocument
`,
filename: 'pages/_document.tsx',
},
{
code: `
import Document, { Html, Main, NextScript } from 'next/document'
import ScriptComponent from 'next/script'
class MyDocument extends Document {
render() {
return (
)
}
}
export default MyDocument
`,
filename: 'pages/_document.tsx',
},
{
code: `
import Script from "next/script";
export default function Index() {
return (
{children}
);
}`,
filename: '/Users/user_name/projects/project-name/app/layout.tsx',
},
{
code: `
import Script from "next/script";
export default function test() {
return (
{children}
);
}`,
filename: 'C:\\Users\\username\\projects\\project-name\\app\\layout.tsx',
},
{
code: `
import Script from "next/script";
export default function Index() {
return (
{children}
);
}`,
filename: '/Users/user_name/projects/project-name/src/app/layout.tsx',
},
{
code: `
import Script from "next/script";
export default function test() {
return (
{children}
);
}`,
filename:
'C:\\Users\\username\\projects\\project-name\\src\\app\\layout.tsx',
},
],
invalid: [
{
code: `
import Head from "next/head";
import Script from "next/script";
export default function Index() {
return (
);
}`,
filename: 'pages/index.js',
errors: [{ message }],
},
{
code: `
import Head from "next/head";
import Script from "next/script";
export default function Index() {
return (
);
}`,
filename: 'components/outside-known-dirs.js',
errors: [{ message }],
},
{
code: `
import Script from "next/script";
export default function Index() {
return (
{children}
);
}`,
filename: '/Users/user_name/projects/project-name/pages/layout.tsx',
errors: [{ message }],
},
{
code: `
import Script from "next/script";
export default function Index() {
return (
{children}
);
}`,
filename:
'C:\\Users\\username\\projects\\project-name\\pages\\layout.tsx',
errors: [{ message }],
},
{
code: `
import Script from "next/script";
export default function Index() {
return (
{children}
);
}`,
filename: '/Users/user_name/projects/project-name/src/pages/layout.tsx',
errors: [{ message }],
},
{
code: `
import Script from "next/script";
export default function test() {
return (
{children}
);
}`,
filename:
'C:\\Users\\username\\projects\\project-name\\src\\pages\\layout.tsx',
errors: [{ message }],
},
],
}
describe('no-before-interactive-script-outside-document', () => {
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)
})