1 | 'use strict';
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2 |
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3 | const isStandardSyntaxRule = require('../../utils/isStandardSyntaxRule');
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4 | const parseSelector = require('../../utils/parseSelector');
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5 | const punctuationSets = require('../../reference/punctuationSets');
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6 | const report = require('../../utils/report');
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7 | const ruleMessages = require('../../utils/ruleMessages');
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8 | const validateOptions = require('../../utils/validateOptions');
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9 |
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10 | const ruleName = 'selector-descendant-combinator-no-non-space';
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11 |
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12 | const messages = ruleMessages(ruleName, {
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13 | rejected: (nonSpaceCharacter) => `Unexpected "${nonSpaceCharacter}"`,
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14 | });
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15 |
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16 | function rule(expectation, options, context) {
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17 | return (root, result) => {
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18 | const validOptions = validateOptions(result, ruleName, {
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19 | actual: expectation,
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20 | });
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21 |
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22 | if (!validOptions) {
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23 | return;
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24 | }
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25 |
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26 | root.walkRules((rule) => {
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27 | if (!isStandardSyntaxRule(rule)) {
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28 | return;
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29 | }
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30 |
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31 | let hasFixed = false;
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32 | const selector = rule.raws.selector ? rule.raws.selector.raw : rule.selector;
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33 |
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34 | const fixedSelector = parseSelector(selector, result, rule, (fullSelector) => {
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35 | fullSelector.walkCombinators((combinatorNode) => {
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36 | if (!isActuallyCombinator(combinatorNode)) {
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37 | return;
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38 | }
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39 |
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40 | const value = combinatorNode.value;
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41 |
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42 | if (punctuationSets.nonSpaceCombinators.has(value)) {
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43 | return;
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44 | }
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45 |
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46 | if (
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47 | value.includes(' ') ||
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48 | value.includes('\t') ||
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49 | value.includes('\n') ||
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50 | value.includes('\r')
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51 | ) {
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52 | if (context.fix && /^\s+$/.test(value)) {
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53 | hasFixed = true;
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54 | combinatorNode.value = ' ';
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55 |
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56 | return;
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57 | }
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58 |
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59 | report({
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60 | result,
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61 | ruleName,
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62 | message: messages.rejected(value),
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63 | node: rule,
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64 | index: combinatorNode.sourceIndex,
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65 | });
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66 | }
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67 | });
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68 | });
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69 |
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70 | if (hasFixed) {
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71 | if (!rule.raws.selector) {
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72 | rule.selector = fixedSelector;
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73 | } else {
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74 | rule.raws.selector.raw = fixedSelector;
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75 | }
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76 | }
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77 | });
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78 | };
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79 | }
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80 |
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81 | rule.ruleName = ruleName;
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82 | rule.messages = messages;
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83 | module.exports = rule;
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84 |
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85 |
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86 |
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87 |
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88 |
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89 |
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90 | function isActuallyCombinator(combinatorNode) {
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91 |
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92 |
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93 |
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94 | if (!/^\s+$/.test(combinatorNode.value)) {
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95 | return true;
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96 | }
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97 |
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98 | let next = combinatorNode.next();
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99 |
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100 | while (skipTest(next)) {
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101 | next = next.next();
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102 | }
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103 |
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104 | if (isNonTarget(next)) {
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105 | return false;
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106 | }
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107 |
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108 | let prev = combinatorNode.prev();
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109 |
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110 | while (skipTest(prev)) {
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111 | prev = prev.prev();
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112 | }
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113 |
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114 | if (isNonTarget(prev)) {
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115 | return false;
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116 | }
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117 |
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118 | return true;
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119 |
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120 | function skipTest(node) {
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121 | if (!node) {
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122 | return false;
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123 | }
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124 |
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125 | if (node.type === 'comment') {
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126 | return true;
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127 | }
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128 |
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129 | if (node.type === 'combinator' && /^\s+$/.test(node.value)) {
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130 | return true;
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131 | }
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132 |
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133 | return false;
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134 | }
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135 |
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136 | function isNonTarget(node) {
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137 | if (!node) {
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138 | return true;
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139 | }
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140 |
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141 | if (node.type === 'combinator' && !/^\s+$/.test(node.value)) {
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142 | return true;
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143 | }
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144 |
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145 | return false;
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146 | }
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147 | }
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