1 | 'use strict';
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2 |
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3 | const _ = require('lodash');
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4 | const atRuleParamIndex = require('../../utils/atRuleParamIndex');
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5 | const isCustomMediaQuery = require('../../utils/isCustomMediaQuery');
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6 | const isRangeContextMediaFeature = require('../../utils/isRangeContextMediaFeature');
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7 | const isStandardSyntaxMediaFeatureName = require('../../utils/isStandardSyntaxMediaFeatureName');
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8 | const matchesStringOrRegExp = require('../../utils/matchesStringOrRegExp');
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9 | const mediaParser = require('postcss-media-query-parser').default;
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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 |
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15 | const ruleName = 'media-feature-name-blacklist';
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16 |
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17 | const messages = ruleMessages(ruleName, {
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18 | rejected: (name) => `Unexpected media feature name "${name}"`,
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19 | });
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20 |
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21 | function rule(blacklist) {
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22 | return (root, result) => {
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23 | const validOptions = validateOptions(result, ruleName, {
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24 | actual: blacklist,
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25 | possible: [_.isString, _.isRegExp],
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26 | });
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27 |
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28 | if (!validOptions) {
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29 | return;
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30 | }
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31 |
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32 | root.walkAtRules(/^media$/i, (atRule) => {
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33 | mediaParser(atRule.params).walk(/^media-feature$/i, (mediaFeatureNode) => {
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34 | const parent = mediaFeatureNode.parent;
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35 | const mediaFeatureRangeContext = isRangeContextMediaFeature(parent.value);
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36 |
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37 | let value;
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38 | let sourceIndex;
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39 |
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40 | if (mediaFeatureRangeContext) {
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41 | const parsedRangeContext = rangeContextNodeParser(mediaFeatureNode);
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42 |
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43 | value = parsedRangeContext.name.value;
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44 | sourceIndex = parsedRangeContext.name.sourceIndex;
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45 | } else {
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46 | value = mediaFeatureNode.value;
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47 | sourceIndex = mediaFeatureNode.sourceIndex;
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48 | }
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49 |
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50 | if (!isStandardSyntaxMediaFeatureName(value) || isCustomMediaQuery(value)) {
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51 | return;
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52 | }
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53 |
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54 | if (!matchesStringOrRegExp(value, blacklist)) {
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55 | return;
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56 | }
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57 |
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58 | report({
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59 | index: atRuleParamIndex(atRule) + sourceIndex,
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60 | message: messages.rejected(value),
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61 | node: atRule,
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62 | ruleName,
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63 | result,
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64 | });
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65 | });
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66 | });
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67 | };
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68 | }
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69 |
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70 | rule.primaryOptionArray = true;
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71 |
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72 | rule.ruleName = ruleName;
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73 | rule.messages = messages;
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74 | module.exports = rule;
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