1 | 'use strict';
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2 |
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3 | const _ = require('lodash');
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4 | const htmlTags = require('html-tags');
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5 | const isCustomElement = require('../../utils/isCustomElement');
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6 | const isKeyframeSelector = require('../../utils/isKeyframeSelector');
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7 | const isStandardSyntaxRule = require('../../utils/isStandardSyntaxRule');
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8 | const isStandardSyntaxTypeSelector = require('../../utils/isStandardSyntaxTypeSelector');
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9 | const keywordSets = require('../../reference/keywordSets');
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10 | const mathMLTags = require('mathml-tag-names');
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11 | const optionsMatches = require('../../utils/optionsMatches');
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12 | const parseSelector = require('../../utils/parseSelector');
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13 | const report = require('../../utils/report');
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14 | const ruleMessages = require('../../utils/ruleMessages');
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15 | const svgTags = require('svg-tags');
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16 | const validateOptions = require('../../utils/validateOptions');
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17 |
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18 | const ruleName = 'selector-type-no-unknown';
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19 |
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20 | const messages = ruleMessages(ruleName, {
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21 | rejected: (selector) => `Unexpected unknown type selector "${selector}"`,
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22 | });
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23 |
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24 | function rule(actual, options) {
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25 | return (root, result) => {
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26 | const validOptions = validateOptions(
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27 | result,
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28 | ruleName,
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29 | { actual },
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30 | {
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31 | actual: options,
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32 | possible: {
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33 | ignore: ['custom-elements', 'default-namespace'],
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34 | ignoreNamespaces: [_.isString, _.isRegExp],
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35 | ignoreTypes: [_.isString, _.isRegExp],
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36 | },
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37 | optional: true,
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38 | },
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39 | );
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40 |
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41 | if (!validOptions) {
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42 | return;
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43 | }
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44 |
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45 | root.walkRules((rule) => {
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46 | const selector = rule.selector;
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47 | const selectors = rule.selectors;
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48 |
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49 | if (!isStandardSyntaxRule(rule)) {
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50 | return;
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51 | }
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52 |
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53 | if (selectors.some((s) => isKeyframeSelector(s))) {
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54 | return;
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55 | }
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56 |
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57 | parseSelector(selector, result, rule, (selectorTree) => {
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58 | selectorTree.walkTags((tagNode) => {
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59 | if (!isStandardSyntaxTypeSelector(tagNode)) {
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60 | return;
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61 | }
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62 |
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63 | if (
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64 | optionsMatches(options, 'ignore', 'custom-elements') &&
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65 | isCustomElement(tagNode.value)
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66 | ) {
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67 | return;
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68 | }
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69 |
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70 | if (
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71 | optionsMatches(options, 'ignore', 'default-namespace') &&
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72 | !(typeof tagNode.namespace === 'string')
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73 | ) {
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74 | return;
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75 | }
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76 |
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77 | if (optionsMatches(options, 'ignoreNamespaces', tagNode.namespace)) {
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78 | return;
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79 | }
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80 |
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81 | if (optionsMatches(options, 'ignoreTypes', tagNode.value)) {
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82 | return;
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83 | }
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84 |
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85 | const tagName = tagNode.value;
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86 | const tagNameLowerCase = tagName.toLowerCase();
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87 |
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88 | if (
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89 | htmlTags.includes(tagNameLowerCase) ||
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90 |
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91 | svgTags.includes(tagName) ||
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92 | keywordSets.nonStandardHtmlTags.has(tagNameLowerCase) ||
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93 | mathMLTags.includes(tagNameLowerCase)
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94 | ) {
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95 | return;
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96 | }
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97 |
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98 | report({
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99 | message: messages.rejected(tagName),
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100 | node: rule,
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101 | index: tagNode.sourceIndex,
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102 | ruleName,
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103 | result,
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104 | });
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105 | });
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106 | });
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107 | });
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108 | };
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109 | }
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110 |
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111 | rule.ruleName = ruleName;
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112 | rule.messages = messages;
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113 | module.exports = rule;
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