1 | 'use strict';
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2 |
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3 | const hasBlock = require('../../utils/hasBlock');
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4 | const isStandardSyntaxAtRule = require('../../utils/isStandardSyntaxAtRule');
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5 | const rawNodeString = require('../../utils/rawNodeString');
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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 | const whitespaceChecker = require('../../utils/whitespaceChecker');
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10 |
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11 | const ruleName = 'at-rule-semicolon-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 | });
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17 |
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18 | const rule = function(expectation) {
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19 | const checker = whitespaceChecker('space', 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', '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.walkAtRules((atRule) => {
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32 | if (hasBlock(atRule)) {
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33 | return;
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34 | }
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35 |
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36 | if (!isStandardSyntaxAtRule(atRule)) {
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37 | return;
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38 | }
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39 |
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40 | const nodeString = rawNodeString(atRule);
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41 |
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42 | checker.before({
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43 | source: nodeString,
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44 | index: nodeString.length,
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45 | err: (m) => {
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46 | report({
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47 | message: m,
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48 | node: atRule,
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49 | index: nodeString.length - 1,
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50 | result,
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51 | ruleName,
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52 | });
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53 | },
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54 | });
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55 | });
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56 | };
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57 | };
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58 |
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59 | rule.ruleName = ruleName;
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60 | rule.messages = messages;
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61 | module.exports = rule;
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