| 1 | /**
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| 2 | * @fileoverview Enforce lang attribute has a valid value.
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| 3 | * @author Ethan Cohen
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| 4 | */
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| 5 |
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| 6 | // -----------------------------------------------------------------------------
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| 7 | // Requirements
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| 8 | // -----------------------------------------------------------------------------
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| 9 |
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| 10 | import { RuleTester } from 'eslint';
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| 11 | import parserOptionsMapper from '../../__util__/parserOptionsMapper';
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| 12 | import parsers from '../../__util__/helpers/parsers';
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| 13 | import rule from '../../../src/rules/lang';
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| 14 |
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| 15 | // -----------------------------------------------------------------------------
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| 16 | // Tests
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| 17 | // -----------------------------------------------------------------------------
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| 18 |
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| 19 | const ruleTester = new RuleTester();
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| 20 |
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| 21 | const expectedError = {
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| 22 | message: 'lang attribute must have a valid value.',
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| 23 | type: 'JSXAttribute',
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| 24 | };
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| 25 |
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| 26 | const componentsSettings = {
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| 27 | 'jsx-a11y': {
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| 28 | polymorphicPropName: 'as',
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| 29 | components: {
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| 30 | Foo: 'html',
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| 31 | },
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| 32 | },
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| 33 | };
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| 34 |
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| 35 | ruleTester.run('lang', rule, {
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| 36 | valid: parsers.all([].concat(
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| 37 | { code: '<div />;' },
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| 38 | { code: '<div foo="bar" />;' },
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| 39 | { code: '<div lang="foo" />;' },
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| 40 | { code: '<html lang="en" />' },
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| 41 | { code: '<html lang="en-US" />' },
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| 42 | { code: '<html lang="zh-Hans" />' },
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| 43 | { code: '<html lang="zh-Hant-HK" />' },
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| 44 | { code: '<html lang="zh-yue-Hant" />' },
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| 45 | { code: '<html lang="ja-Latn" />' },
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| 46 | { code: '<html lang={foo} />' },
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| 47 | { code: '<HTML lang="foo" />' },
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| 48 | { code: '<Foo lang={undefined} />' },
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| 49 | { code: '<Foo lang="en" />', settings: componentsSettings },
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| 50 | { code: '<Box as="html" lang="en" />', settings: componentsSettings },
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| 51 | )).map(parserOptionsMapper),
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| 52 | invalid: parsers.all([].concat(
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| 53 | { code: '<html lang="foo" />', errors: [expectedError] },
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| 54 | { code: '<html lang="zz-LL" />', errors: [expectedError] },
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| 55 | { code: '<html lang={undefined} />', errors: [expectedError] },
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| 56 | { code: '<Foo lang={undefined} />', settings: componentsSettings, errors: [expectedError] },
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| 57 | { code: '<Box as="html" lang="foo" />', settings: componentsSettings, errors: [expectedError] },
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| 58 | )).map(parserOptionsMapper),
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| 59 | });
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