1 |
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2 |
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3 | 'use strict';
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4 |
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5 | const _ = require('lodash');
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6 | const blockString = require('../../utils/blockString');
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7 | const hasBlock = require('../../utils/hasBlock');
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8 | const optionsMatches = require('../../utils/optionsMatches');
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9 | const rawNodeString = require('../../utils/rawNodeString');
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10 | const report = require('../../utils/report');
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11 | const ruleMessages = require('../../utils/ruleMessages');
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12 | const validateOptions = require('../../utils/validateOptions');
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13 | const whitespaceChecker = require('../../utils/whitespaceChecker');
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14 |
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15 | const ruleName = 'block-closing-brace-newline-after';
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16 |
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17 | const messages = ruleMessages(ruleName, {
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18 | expectedAfter: () => 'Expected newline after "}"',
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19 | expectedAfterSingleLine: () => 'Expected newline after "}" of a single-line block',
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20 | rejectedAfterSingleLine: () => 'Unexpected whitespace after "}" of a single-line block',
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21 | expectedAfterMultiLine: () => 'Expected newline after "}" of a multi-line block',
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22 | rejectedAfterMultiLine: () => 'Unexpected whitespace after "}" of a multi-line block',
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23 | });
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24 |
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25 | function rule(expectation, options, context) {
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26 | const checker = whitespaceChecker('newline', expectation, messages);
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27 |
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28 | return (root, result) => {
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29 | const validOptions = validateOptions(
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30 | result,
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31 | ruleName,
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32 | {
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33 | actual: expectation,
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34 | possible: [
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35 | 'always',
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36 | 'always-single-line',
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37 | 'never-single-line',
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38 | 'always-multi-line',
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39 | 'never-multi-line',
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40 | ],
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41 | },
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42 | {
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43 | actual: options,
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44 | possible: {
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45 | ignoreAtRules: [_.isString],
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46 | },
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47 | optional: true,
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48 | },
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49 | );
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50 |
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51 | if (!validOptions) {
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52 | return;
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53 | }
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54 |
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55 |
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56 | root.walkRules(check);
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57 | root.walkAtRules(check);
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58 |
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59 | function check(statement) {
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60 | if (!hasBlock(statement)) {
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61 | return;
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62 | }
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63 |
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64 | if (optionsMatches(options, 'ignoreAtRules', statement.name)) {
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65 | return;
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66 | }
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67 |
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68 | const nextNode = statement.next();
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69 |
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70 | if (!nextNode) {
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71 | return;
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72 | }
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73 |
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74 |
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75 | const nextNodeIsSingleLineComment =
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76 | nextNode.type === 'comment' &&
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77 | !/[^ ]/.test(nextNode.raws.before || '') &&
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78 | !nextNode.toString().includes('\n');
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79 |
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80 | const nodeToCheck = nextNodeIsSingleLineComment ? nextNode.next() : nextNode;
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81 |
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82 | if (!nodeToCheck) {
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83 | return;
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84 | }
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85 |
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86 | let reportIndex = statement.toString().length;
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87 | let source = rawNodeString(nodeToCheck);
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88 |
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89 |
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90 | if (source && source.startsWith(';')) {
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91 | source = source.slice(1);
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92 | reportIndex++;
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93 | }
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94 |
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95 |
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96 |
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97 | checker.afterOneOnly({
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98 | source,
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99 | index: -1,
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100 | lineCheckStr: blockString(statement),
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101 | err: (msg) => {
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102 | if (context.fix) {
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103 | if (expectation.startsWith('always')) {
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104 | const index = nodeToCheck.raws.before.search(/\r?\n/);
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105 |
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106 | if (index >= 0) {
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107 | nodeToCheck.raws.before = nodeToCheck.raws.before.slice(index);
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108 | } else {
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109 | nodeToCheck.raws.before = context.newline + nodeToCheck.raws.before;
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110 | }
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111 |
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112 | return;
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113 | }
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114 |
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115 | if (expectation.startsWith('never')) {
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116 | nodeToCheck.raws.before = '';
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117 |
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118 | return;
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119 | }
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120 | }
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121 |
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122 | report({
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123 | message: msg,
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124 | node: statement,
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125 | index: reportIndex,
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126 | result,
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127 | ruleName,
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128 | });
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129 | },
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130 | });
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131 | }
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132 | };
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133 | }
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134 |
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135 | rule.ruleName = ruleName;
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136 | rule.messages = messages;
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137 | module.exports = rule;
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