91 lines
1.9 KiB
JavaScript
91 lines
1.9 KiB
JavaScript
const rule = require('@next/eslint-plugin-next/lib/rules/no-sync-scripts')
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const RuleTester = require('eslint').RuleTester
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RuleTester.setDefaultConfig({
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parserOptions: {
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ecmaVersion: 2018,
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sourceType: 'module',
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ecmaFeatures: {
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modules: true,
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jsx: true,
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},
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},
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})
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var ruleTester = new RuleTester()
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ruleTester.run('sync-scripts', rule, {
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valid: [
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`import {Head} from 'next/document';
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export class Blah extends Head {
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render() {
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return (
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<div>
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<h1>Hello title</h1>
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<script src='https://blah.com' async></script>
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</div>
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);
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}
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}`,
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`import {Head} from 'next/document';
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export class Blah extends Head {
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render(props) {
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return (
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<div>
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<h1>Hello title</h1>
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<script {...props} ></script>
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</div>
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);
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}
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}`,
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],
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invalid: [
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{
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code: `
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import {Head} from 'next/document';
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export class Blah extends Head {
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render() {
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return (
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<div>
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<h1>Hello title</h1>
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<script src='https://blah.com'></script>
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</div>
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);
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}
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}`,
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errors: [
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{
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message:
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"A synchronous script tag can impact your webpage's performance",
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type: 'JSXOpeningElement',
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},
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],
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},
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{
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code: `
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import {Head} from 'next/document';
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export class Blah extends Head {
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render(props) {
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return (
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<div>
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<h1>Hello title</h1>
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<script src={props.src}></script>
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</div>
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);
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}
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}`,
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errors: [
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{
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message:
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"A synchronous script tag can impact your webpage's performance",
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type: 'JSXOpeningElement',
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},
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],
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},
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],
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})
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