1 | 'use strict';
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2 |
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3 | const _ = require('lodash');
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4 | const declarationValueIndex = require('../../utils/declarationValueIndex');
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5 | const isStandardSyntaxFunction = require('../../utils/isStandardSyntaxFunction');
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6 | const matchesStringOrRegExp = require('../../utils/matchesStringOrRegExp');
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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 | const valueParser = require('postcss-value-parser');
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12 |
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13 | const ruleName = 'function-blacklist';
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14 |
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15 | const messages = ruleMessages(ruleName, {
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16 | rejected: (name) => `Unexpected function "${name}"`,
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17 | });
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18 |
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19 | function rule(blacklist) {
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20 | return (root, result) => {
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21 | const validOptions = validateOptions(result, ruleName, {
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22 | actual: blacklist,
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23 | possible: [_.isString, _.isRegExp],
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24 | });
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25 |
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26 | if (!validOptions) {
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27 | return;
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28 | }
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29 |
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30 | root.walkDecls((decl) => {
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31 | const value = decl.value;
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32 |
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33 | valueParser(value).walk((node) => {
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34 | if (node.type !== 'function') {
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35 | return;
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36 | }
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37 |
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38 | if (!isStandardSyntaxFunction(node)) {
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39 | return;
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40 | }
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41 |
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42 | if (!matchesStringOrRegExp(postcss.vendor.unprefixed(node.value), blacklist)) {
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43 | return;
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44 | }
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45 |
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46 | report({
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47 | message: messages.rejected(node.value),
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48 | node: decl,
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49 | index: declarationValueIndex(decl) + node.sourceIndex,
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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 | rule.primaryOptionArray = true;
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59 |
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60 | rule.ruleName = ruleName;
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61 | rule.messages = messages;
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62 | module.exports = rule;
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