1 | 'use strict';
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2 |
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3 | const getUnitFromValueNode = require('./getUnitFromValueNode');
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4 | const isStandardSyntaxValue = require('./isStandardSyntaxValue');
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5 | const isVariable = require('./isVariable');
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6 | const keywordSets = require('../reference/keywordSets');
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7 | const postcssValueParser = require('postcss-value-parser');
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8 |
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9 |
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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 |
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18 | module.exports = function findAnimationName(value) {
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19 |
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20 | const animationNames = [];
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21 |
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22 | const valueNodes = postcssValueParser(value);
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23 |
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24 |
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25 | if (
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26 | valueNodes.nodes.length === 1 &&
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27 | keywordSets.basicKeywords.has(valueNodes.nodes[0].value.toLowerCase())
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28 | ) {
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29 | return [valueNodes.nodes[0]];
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30 | }
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31 |
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32 | valueNodes.walk((valueNode) => {
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33 | if (valueNode.type === 'function') {
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34 | return false;
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35 | }
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36 |
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37 | if (valueNode.type !== 'word') {
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38 | return;
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39 | }
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40 |
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41 | const valueLowerCase = valueNode.value.toLowerCase();
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42 |
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43 |
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44 | if (!isStandardSyntaxValue(valueLowerCase)) {
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45 | return;
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46 | }
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47 |
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48 |
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49 | if (isVariable(valueLowerCase)) {
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50 | return;
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51 | }
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52 |
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53 |
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54 | if (keywordSets.animationShorthandKeywords.has(valueLowerCase)) {
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55 | return;
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56 | }
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57 |
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58 |
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59 | const unit = getUnitFromValueNode(valueNode);
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60 |
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61 | if (unit || unit === '') {
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62 | return;
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63 | }
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64 |
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65 | animationNames.push(valueNode);
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66 | });
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67 |
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68 | return animationNames;
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69 | };
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