1 | 'use strict';
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2 |
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3 | const isStandardSyntaxRule = require('../../utils/isStandardSyntaxRule');
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4 | const report = require('../../utils/report');
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5 | const ruleMessages = require('../../utils/ruleMessages');
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6 | const styleSearch = require('style-search');
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7 | const validateOptions = require('../../utils/validateOptions');
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8 | const whitespaceChecker = require('../../utils/whitespaceChecker');
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9 |
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10 | const ruleName = 'selector-list-comma-newline-after';
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11 |
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12 | const messages = ruleMessages(ruleName, {
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13 | expectedAfter: () => 'Expected newline after ","',
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14 | expectedAfterMultiLine: () => 'Expected newline after "," in a multi-line list',
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15 | rejectedAfterMultiLine: () => 'Unexpected whitespace after "," in a multi-line list',
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16 | });
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17 |
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18 | function rule(expectation, options, context) {
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19 | const checker = whitespaceChecker('newline', expectation, messages);
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20 |
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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', 'always-multi-line', 'never-multi-line'],
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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 |
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37 |
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38 |
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39 | const selector = rule.raws.selector ? rule.raws.selector.raw : rule.selector;
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40 |
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41 | const fixIndices = [];
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42 |
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43 | styleSearch(
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44 | {
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45 | source: selector,
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46 | target: ',',
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47 | functionArguments: 'skip',
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48 | },
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49 | (match) => {
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50 | const nextChars = selector.substr(match.endIndex, selector.length - match.endIndex);
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51 |
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52 |
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53 |
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54 | if (/^\s+\/\//.test(nextChars)) {
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55 | return;
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56 | }
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57 |
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58 |
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59 | const indextoCheckAfter = /^\s+\/\*/.test(nextChars)
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60 | ? selector.indexOf('*/', match.endIndex) + 1
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61 | : match.startIndex;
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62 |
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63 | checker.afterOneOnly({
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64 | source: selector,
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65 | index: indextoCheckAfter,
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66 | err: (m) => {
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67 | if (context.fix) {
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68 | fixIndices.push(indextoCheckAfter + 1);
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69 |
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70 | return;
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71 | }
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72 |
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73 | report({
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74 | message: m,
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75 | node: rule,
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76 | index: match.startIndex,
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77 | result,
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78 | ruleName,
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79 | });
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80 | },
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81 | });
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82 | },
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83 | );
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84 |
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85 | if (fixIndices.length) {
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86 | let fixedSelector = selector;
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87 |
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88 | fixIndices
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89 | .sort((a, b) => b - a)
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90 | .forEach((index) => {
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91 | const beforeSelector = fixedSelector.slice(0, index);
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92 | let afterSelector = fixedSelector.slice(index);
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93 |
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94 | if (expectation.startsWith('always')) {
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95 | afterSelector = context.newline + afterSelector;
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96 | } else if (expectation.startsWith('never-multi-line')) {
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97 | afterSelector = afterSelector.replace(/^\s*/, '');
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98 | }
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99 |
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100 | fixedSelector = beforeSelector + afterSelector;
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101 | });
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102 |
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103 | if (rule.raws.selector) {
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104 | rule.raws.selector.raw = fixedSelector;
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105 | } else {
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106 | rule.selector = fixedSelector;
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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 | }
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112 |
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113 | rule.ruleName = ruleName;
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114 | rule.messages = messages;
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115 | module.exports = rule;
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