1 |
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2 |
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3 | 'use strict';
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4 |
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5 | const isStandardSyntaxRule = require('../../utils/isStandardSyntaxRule');
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6 | const parseSelector = require('../../utils/parseSelector');
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7 | const report = require('../../utils/report');
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8 | const ruleMessages = require('../../utils/ruleMessages');
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9 | const validateOptions = require('../../utils/validateOptions');
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10 |
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11 | const ruleName = 'selector-pseudo-class-parentheses-space-inside';
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12 |
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13 | const messages = ruleMessages(ruleName, {
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14 | expectedOpening: 'Expected single space after "("',
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15 | rejectedOpening: 'Unexpected whitespace after "("',
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16 | expectedClosing: 'Expected single space before ")"',
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17 | rejectedClosing: 'Unexpected whitespace before ")"',
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18 | });
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19 |
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20 | function rule(expectation, options, context) {
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21 | return (root, result) => {
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22 | const validOptions = validateOptions(result, ruleName, {
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23 | actual: expectation,
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24 | possible: ['always', 'never'],
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25 | });
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26 |
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27 | if (!validOptions) {
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28 | return;
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29 | }
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30 |
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31 | root.walkRules((rule) => {
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32 | if (!isStandardSyntaxRule(rule)) {
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33 | return;
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34 | }
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35 |
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36 | if (!rule.selector.includes('(')) {
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37 | return;
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38 | }
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39 |
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40 | let hasFixed = false;
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41 | const selector = rule.raws.selector ? rule.raws.selector.raw : rule.selector;
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42 | const fixedSelector = parseSelector(selector, result, rule, (selectorTree) => {
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43 | selectorTree.walkPseudos((pseudoNode) => {
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44 | if (!pseudoNode.length) {
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45 | return;
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46 | }
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47 |
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48 | const paramString = pseudoNode.map(String).join(',');
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49 | const nextCharIsSpace = paramString.startsWith(' ');
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50 | const openIndex =
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51 | pseudoNode.sourceIndex + stringifyProperty(pseudoNode, 'value').length + 1;
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52 |
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53 | if (nextCharIsSpace && expectation === 'never') {
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54 | if (context.fix) {
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55 | hasFixed = true;
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56 | setFirstNodeSpaceBefore(pseudoNode, '');
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57 | } else {
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58 | complain(messages.rejectedOpening, openIndex);
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59 | }
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60 | }
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61 |
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62 | if (!nextCharIsSpace && expectation === 'always') {
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63 | if (context.fix) {
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64 | hasFixed = true;
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65 | setFirstNodeSpaceBefore(pseudoNode, ' ');
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66 | } else {
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67 | complain(messages.expectedOpening, openIndex);
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68 | }
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69 | }
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70 |
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71 | const prevCharIsSpace = paramString.endsWith(' ');
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72 | const closeIndex = openIndex + paramString.length - 1;
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73 |
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74 | if (prevCharIsSpace && expectation === 'never') {
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75 | if (context.fix) {
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76 | hasFixed = true;
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77 | setLastNodeSpaceAfter(pseudoNode, '');
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78 | } else {
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79 | complain(messages.rejectedClosing, closeIndex);
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80 | }
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81 | }
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82 |
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83 | if (!prevCharIsSpace && expectation === 'always') {
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84 | if (context.fix) {
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85 | hasFixed = true;
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86 | setLastNodeSpaceAfter(pseudoNode, ' ');
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87 | } else {
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88 | complain(messages.expectedClosing, closeIndex);
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89 | }
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90 | }
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91 | });
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92 | });
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93 |
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94 | if (hasFixed) {
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95 | if (!rule.raws.selector) {
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96 | rule.selector = fixedSelector;
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97 | } else {
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98 | rule.raws.selector.raw = fixedSelector;
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99 | }
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100 | }
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101 |
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102 | function complain(message, index) {
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103 | report({
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104 | message,
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105 | index,
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106 | result,
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107 | ruleName,
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108 | node: rule,
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109 | });
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110 | }
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111 | });
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112 | };
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113 | }
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114 |
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115 | function setFirstNodeSpaceBefore(node, value) {
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116 | const target = node.first;
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117 |
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118 | if (target.type === 'selector') {
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119 | setFirstNodeSpaceBefore(target, value);
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120 | } else {
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121 | target.spaces.before = value;
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122 | }
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123 | }
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124 |
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125 | function setLastNodeSpaceAfter(node, value) {
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126 | const target = node.last;
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127 |
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128 | if (target.type === 'selector') {
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129 | setLastNodeSpaceAfter(target, value);
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130 | } else {
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131 | target.spaces.after = value;
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132 | }
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133 | }
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134 |
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135 | function stringifyProperty(node, propName) {
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136 | return (node.raws && node.raws[propName]) || node[propName];
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137 | }
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138 |
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139 | rule.ruleName = ruleName;
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140 | rule.messages = messages;
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141 | module.exports = rule;
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