react-scripts
Version:
Configuration and scripts for Create React App.
48 lines (40 loc) • 1.46 kB
JavaScript
/**
* @fileoverview Enforce lang attribute has a valid value.
* @author Ethan Cohen
*/
// -----------------------------------------------------------------------------
// Requirements
// -----------------------------------------------------------------------------
import { RuleTester } from 'eslint';
import rule from '../../../src/rules/lang';
const parserOptions = {
ecmaVersion: 6,
ecmaFeatures: {
jsx: true,
},
};
// -----------------------------------------------------------------------------
// Tests
// -----------------------------------------------------------------------------
const ruleTester = new RuleTester();
const expectedError = {
message: 'lang attribute must have a valid value.',
type: 'JSXAttribute',
};
ruleTester.run('lang', rule, {
valid: [
{ code: '<div />;', parserOptions },
{ code: '<div foo="bar" />;', parserOptions },
{ code: '<div lang="foo" />;', parserOptions },
{ code: '<html lang="en" />', parserOptions },
{ code: '<html lang="en-US" />', parserOptions },
{ code: '<html lang={foo} />', parserOptions },
{ code: '<HTML lang="foo" />', parserOptions },
{ code: '<Foo lang="bar" />', parserOptions },
],
invalid: [
{ code: '<html lang="foo" />', errors: [expectedError], parserOptions },
{ code: '<html lang="zz-LL" />', errors: [expectedError], parserOptions },
{ code: '<html lang={undefined} />', errors: [expectedError], parserOptions },
],
});