rsnext/test/unit/eslint-plugin-next/no-sync-scripts.test.ts
Balázs Orbán 73b473991c
chore: add build step to eslint-plugin-next (#38647)
Follow-up on https://github.com/vercel/next.js/pull/38534#pullrequestreview-1035020450

This lets us use modern JS/TS syntax in ESLint rules and avoid issues like #38530 and #36693

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have helpful link attached, see `contributing.md`

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have helpful link attached, see `contributing.md`

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm lint`
- [ ] The examples guidelines are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing.md#adding-examples)


Co-authored-by: JJ Kasper <22380829+ijjk@users.noreply.github.com>
2022-09-30 01:37:59 +00:00

89 lines
2 KiB
TypeScript

import rule from '@next/eslint-plugin-next/dist/rules/no-sync-scripts'
import { RuleTester } from 'eslint'
;(RuleTester as any).setDefaultConfig({
parserOptions: {
ecmaVersion: 2018,
sourceType: 'module',
ecmaFeatures: {
modules: true,
jsx: true,
},
},
})
const ruleTester = new RuleTester()
ruleTester.run('sync-scripts', rule, {
valid: [
`import {Head} from 'next/document';
export class Blah extends Head {
render() {
return (
<div>
<h1>Hello title</h1>
<script src='https://blah.com' async></script>
</div>
);
}
}`,
`import {Head} from 'next/document';
export class Blah extends Head {
render(props) {
return (
<div>
<h1>Hello title</h1>
<script {...props} ></script>
</div>
);
}
}`,
],
invalid: [
{
code: `
import {Head} from 'next/document';
export class Blah extends Head {
render() {
return (
<div>
<h1>Hello title</h1>
<script src='https://blah.com'></script>
</div>
);
}
}`,
errors: [
{
message:
'Synchronous scripts should not be used. See: https://nextjs.org/docs/messages/no-sync-scripts',
type: 'JSXOpeningElement',
},
],
},
{
code: `
import {Head} from 'next/document';
export class Blah extends Head {
render(props) {
return (
<div>
<h1>Hello title</h1>
<script src={props.src}></script>
</div>
);
}
}`,
errors: [
{
message:
'Synchronous scripts should not be used. See: https://nextjs.org/docs/messages/no-sync-scripts',
type: 'JSXOpeningElement',
},
],
},
],
})