1 | 'use strict';
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2 |
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3 | const functionArgumentsSearch = require('../../utils/functionArgumentsSearch');
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4 | const getSchemeFromUrl = require('../../utils/getSchemeFromUrl');
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5 | const isStandardSyntaxUrl = require('../../utils/isStandardSyntaxUrl');
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6 | const matchesStringOrRegExp = require('../../utils/matchesStringOrRegExp');
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7 | const report = require('../../utils/report');
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8 | const ruleMessages = require('../../utils/ruleMessages');
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9 | const validateOptions = require('../../utils/validateOptions');
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10 | const { isRegExp, isString } = require('../../utils/validateTypes');
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11 |
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12 | const ruleName = 'function-url-scheme-disallowed-list';
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13 |
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14 | const messages = ruleMessages(ruleName, {
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15 | rejected: (scheme) => `Unexpected URL scheme "${scheme}:"`,
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16 | });
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17 |
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18 | const meta = {
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19 | url: 'https://stylelint.io/user-guide/rules/list/function-url-scheme-disallowed-list',
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20 | };
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21 |
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22 |
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23 | const rule = (primary) => {
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24 | return (root, result) => {
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25 | const validOptions = validateOptions(result, ruleName, {
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26 | actual: primary,
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27 | possible: [isString, isRegExp],
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28 | });
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29 |
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30 | if (!validOptions) {
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31 | return;
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32 | }
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33 |
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34 | root.walkDecls((decl) => {
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35 | functionArgumentsSearch(decl.toString().toLowerCase(), 'url', (args, index) => {
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36 | const unspacedUrlString = args.trim();
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37 |
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38 | if (!isStandardSyntaxUrl(unspacedUrlString)) {
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39 | return;
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40 | }
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41 |
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42 | const urlString = unspacedUrlString.replace(/^['"]+|['"]+$/g, '');
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43 | const scheme = getSchemeFromUrl(urlString);
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44 |
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45 | if (scheme === null) {
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46 | return;
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47 | }
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48 |
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49 | if (!matchesStringOrRegExp(scheme, primary)) {
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50 | return;
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51 | }
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52 |
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53 | report({
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54 | message: messages.rejected(scheme),
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55 | node: decl,
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56 | index,
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57 | result,
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58 | ruleName,
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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 |
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65 | rule.primaryOptionArray = true;
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66 |
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67 | rule.ruleName = ruleName;
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68 | rule.messages = messages;
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69 | rule.meta = meta;
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70 | module.exports = rule;
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