1 | 'use strict';
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2 |
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3 | const isStandardSyntaxAtRule = require('../../utils/isStandardSyntaxAtRule');
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4 | const keywordSets = require('../../reference/keywordSets');
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5 | const optionsMatches = require('../../utils/optionsMatches');
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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 vendor = require('../../utils/vendor');
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10 | const { isRegExp, isString } = require('../../utils/validateTypes');
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11 |
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12 | const ruleName = 'at-rule-no-unknown';
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13 |
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14 | const messages = ruleMessages(ruleName, {
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15 | rejected: (atRule) => `Unexpected unknown at-rule "${atRule}"`,
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16 | });
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17 |
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18 |
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19 | const rule = (primary, secondaryOptions) => {
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20 | return (root, result) => {
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21 | const validOptions = validateOptions(
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22 | result,
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23 | ruleName,
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24 | { actual: primary },
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25 | {
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26 | actual: secondaryOptions,
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27 | possible: {
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28 | ignoreAtRules: [isString, isRegExp],
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29 | },
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30 | optional: true,
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31 | },
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32 | );
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33 |
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34 | if (!validOptions) {
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35 | return;
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36 | }
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37 |
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38 | root.walkAtRules((atRule) => {
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39 | if (!isStandardSyntaxAtRule(atRule)) {
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40 | return;
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41 | }
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42 |
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43 | const name = atRule.name;
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44 |
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45 |
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46 | if (optionsMatches(secondaryOptions, 'ignoreAtRules', atRule.name)) {
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47 | return;
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48 | }
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49 |
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50 | if (vendor.prefix(name) || keywordSets.atRules.has(name.toLowerCase())) {
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51 | return;
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52 | }
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53 |
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54 | report({
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55 | message: messages.rejected(`@${name}`),
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56 | node: atRule,
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57 | ruleName,
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58 | result,
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59 | });
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60 | });
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61 | };
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62 | };
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63 |
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64 | rule.ruleName = ruleName;
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65 | rule.messages = messages;
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66 | module.exports = rule;
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