1 | 'use strict';
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2 |
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3 | const { isRoot } = require('./typeGuards');
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4 |
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5 |
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6 |
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7 |
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8 | function isStandardSyntaxLang(lang) {
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9 | return lang && (lang === 'css' || lang === 'custom-template' || lang === 'template-literal');
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10 | }
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11 |
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12 |
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13 |
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14 |
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15 |
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16 |
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17 | module.exports = function (decl) {
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18 | const prop = decl.prop;
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19 | const parent = decl.parent;
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20 |
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21 |
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22 | if (
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23 | isRoot(parent) &&
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24 | parent.source &&
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25 | !isStandardSyntaxLang(
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26 | (parent.source).lang,
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27 | )
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28 | ) {
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29 | return false;
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30 | }
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31 |
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32 |
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33 | if (prop[0] === '$') {
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34 | return false;
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35 | }
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36 |
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37 |
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38 | if (prop[0] === '@' && prop[1] !== '{') {
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39 | return false;
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40 | }
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41 |
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42 |
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43 | if (
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44 |
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45 | parent.selector &&
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46 |
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47 | parent.selector[parent.selector.length - 1] === ':' &&
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48 |
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49 | parent.selector.substring(0, 2) !== '--'
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50 | ) {
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51 | return false;
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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 | if (decl.extend) {
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57 | return false;
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58 | }
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59 |
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60 | return true;
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61 | };
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