1 | 'use strict';
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2 |
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3 | const _ = require('lodash');
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4 | const isStandardSyntaxRule = require('../../utils/isStandardSyntaxRule');
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5 | const matchesStringOrRegExp = require('../../utils/matchesStringOrRegExp');
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6 | const parseSelector = require('../../utils/parseSelector');
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7 | const postcss = require('postcss');
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8 | const report = require('../../utils/report');
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9 | const ruleMessages = require('../../utils/ruleMessages');
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10 | const validateOptions = require('../../utils/validateOptions');
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11 |
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12 | const ruleName = 'selector-pseudo-element-blacklist';
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13 |
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14 | const messages = ruleMessages(ruleName, {
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15 | rejected: (selector) => `Unexpected pseudo-element "${selector}"`,
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16 | });
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17 |
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18 | function rule(blacklist) {
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19 | return (root, result) => {
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20 | const validOptions = validateOptions(result, ruleName, {
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21 | actual: blacklist,
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22 | possible: [_.isString, _.isRegExp],
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23 | });
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24 |
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25 | if (!validOptions) {
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26 | return;
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27 | }
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28 |
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29 | root.walkRules((rule) => {
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30 | if (!isStandardSyntaxRule(rule)) {
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31 | return;
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32 | }
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33 |
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34 | const selector = rule.selector;
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35 |
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36 | if (!selector.includes('::')) {
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37 | return;
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38 | }
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39 |
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40 | parseSelector(selector, result, rule, (selectorTree) => {
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41 | selectorTree.walkPseudos((pseudoNode) => {
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42 | const value = pseudoNode.value;
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43 |
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44 |
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45 | if (value[1] !== ':') {
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46 | return;
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47 | }
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48 |
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49 | const name = value.slice(2);
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50 |
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51 | if (!matchesStringOrRegExp(postcss.vendor.unprefixed(name), blacklist)) {
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52 | return;
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53 | }
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54 |
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55 | report({
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56 | index: pseudoNode.sourceIndex,
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57 | message: messages.rejected(name),
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58 | node: rule,
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59 | result,
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60 | ruleName,
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61 | });
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62 | });
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63 | });
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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 | rule.primaryOptionArray = true;
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69 |
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70 | rule.ruleName = ruleName;
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71 | rule.messages = messages;
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72 | module.exports = rule;
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