1 |
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2 |
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3 | 'use strict';
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4 |
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5 | const atRuleParamIndex = require('../../utils/atRuleParamIndex');
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6 | const mediaQueryListCommaWhitespaceChecker = require('../mediaQueryListCommaWhitespaceChecker');
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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 | const whitespaceChecker = require('../../utils/whitespaceChecker');
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10 |
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11 | const ruleName = 'media-query-list-comma-space-before';
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12 |
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13 | const messages = ruleMessages(ruleName, {
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14 | expectedBefore: () => 'Expected single space before ","',
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15 | rejectedBefore: () => 'Unexpected whitespace before ","',
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16 | expectedBeforeSingleLine: () => 'Expected single space before "," in a single-line list',
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17 | rejectedBeforeSingleLine: () => 'Unexpected whitespace before "," in a single-line list',
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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 | const checker = whitespaceChecker('space', expectation, messages);
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22 |
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23 | return (root, result) => {
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24 | const validOptions = validateOptions(result, ruleName, {
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25 | actual: expectation,
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26 | possible: ['always', 'never', 'always-single-line', 'never-single-line'],
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27 | });
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28 |
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29 | if (!validOptions) {
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30 | return;
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31 | }
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32 |
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33 | let fixData;
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34 |
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35 | mediaQueryListCommaWhitespaceChecker({
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36 | root,
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37 | result,
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38 | locationChecker: checker.before,
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39 | checkedRuleName: ruleName,
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40 | fix: context.fix
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41 | ? (atRule, index) => {
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42 | const paramCommaIndex = index - atRuleParamIndex(atRule);
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43 |
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44 | fixData = fixData || new Map();
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45 | const commaIndices = fixData.get(atRule) || [];
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46 |
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47 | commaIndices.push(paramCommaIndex);
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48 | fixData.set(atRule, commaIndices);
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49 |
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50 | return true;
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51 | }
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52 | : null,
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53 | });
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54 |
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55 | if (fixData) {
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56 | fixData.forEach((commaIndices, atRule) => {
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57 | let params = atRule.raws.params ? atRule.raws.params.raw : atRule.params;
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58 |
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59 | commaIndices
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60 | .sort((a, b) => b - a)
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61 | .forEach((index) => {
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62 | const beforeComma = params.slice(0, index);
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63 | const afterComma = params.slice(index);
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64 |
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65 | if (expectation.startsWith('always')) {
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66 | params = beforeComma.replace(/\s*$/, ' ') + afterComma;
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67 | } else if (expectation.startsWith('never')) {
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68 | params = beforeComma.replace(/\s*$/, '') + afterComma;
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69 | }
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70 | });
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71 |
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72 | if (atRule.raws.params) {
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73 | atRule.raws.params.raw = params;
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74 | } else {
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75 | atRule.params = params;
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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 |
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82 | rule.ruleName = ruleName;
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83 | rule.messages = messages;
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84 | module.exports = rule;
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