1 | 'use strict';
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2 |
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3 | const atRuleParamIndex = require('../../utils/atRuleParamIndex');
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4 | const isCustomMediaQuery = require('../../utils/isCustomMediaQuery');
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5 | const isRangeContextMediaFeature = require('../../utils/isRangeContextMediaFeature');
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6 | const isStandardSyntaxMediaFeatureName = require('../../utils/isStandardSyntaxMediaFeatureName');
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7 | const keywordSets = require('../../reference/keywordSets');
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8 | const mediaParser = require('postcss-media-query-parser').default;
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9 | const optionsMatches = require('../../utils/optionsMatches');
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10 | const rangeContextNodeParser = require('../rangeContextNodeParser');
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11 | const report = require('../../utils/report');
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12 | const ruleMessages = require('../../utils/ruleMessages');
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13 | const validateOptions = require('../../utils/validateOptions');
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14 | const vendor = require('../../utils/vendor');
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15 | const { isRegExp, isString } = require('../../utils/validateTypes');
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16 |
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17 | const ruleName = 'media-feature-name-no-unknown';
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18 |
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19 | const messages = ruleMessages(ruleName, {
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20 | rejected: (mediaFeatureName) => `Unexpected unknown media feature name "${mediaFeatureName}"`,
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21 | });
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22 |
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23 |
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24 | const rule = (primary, secondaryOptions) => {
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25 | return (root, result) => {
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26 | const validOptions = validateOptions(
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27 | result,
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28 | ruleName,
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29 | { actual: primary },
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30 | {
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31 | actual: secondaryOptions,
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32 | possible: {
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33 | ignoreMediaFeatureNames: [isString, isRegExp],
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34 | },
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35 | optional: true,
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36 | },
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37 | );
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38 |
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39 | if (!validOptions) {
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40 | return;
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41 | }
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42 |
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43 | root.walkAtRules(/^media$/i, (atRule) => {
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44 | mediaParser(atRule.params).walk(/^media-feature$/i, (mediaFeatureNode) => {
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45 | const parent = mediaFeatureNode.parent;
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46 | const mediaFeatureRangeContext = isRangeContextMediaFeature(parent.value);
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47 |
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48 | let value;
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49 | let sourceIndex;
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50 |
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51 | if (mediaFeatureRangeContext) {
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52 | const parsedRangeContext = rangeContextNodeParser(mediaFeatureNode);
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53 |
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54 | value = parsedRangeContext.name.value;
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55 | sourceIndex = parsedRangeContext.name.sourceIndex;
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56 | } else {
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57 | value = mediaFeatureNode.value;
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58 | sourceIndex = mediaFeatureNode.sourceIndex;
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59 | }
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60 |
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61 | if (!isStandardSyntaxMediaFeatureName(value) || isCustomMediaQuery(value)) {
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62 | return;
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63 | }
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64 |
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65 | if (optionsMatches(secondaryOptions, 'ignoreMediaFeatureNames', value)) {
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66 | return;
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67 | }
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68 |
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69 | if (vendor.prefix(value) || keywordSets.mediaFeatureNames.has(value.toLowerCase())) {
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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 | index: atRuleParamIndex(atRule) + sourceIndex,
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75 | message: messages.rejected(value),
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76 | node: atRule,
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77 | ruleName,
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78 | result,
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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 | rule.ruleName = ruleName;
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86 | rule.messages = messages;
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87 | module.exports = rule;
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