1 | 'use strict';
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 |
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7 | var _es6Map = require('es6-map');
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8 |
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9 | var _es6Map2 = _interopRequireDefault(_es6Map);
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10 |
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11 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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12 |
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13 | var stylesIndex = undefined;
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14 |
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15 | stylesIndex = new _es6Map2.default();
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16 |
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17 | exports.default = function (styles, styleNames, errorWhenNotFound) {
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18 | var appendClassName = undefined,
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19 | styleName = undefined,
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20 | stylesIndexMap = undefined;
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21 |
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22 | stylesIndexMap = stylesIndex.get(styles);
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23 |
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24 | if (stylesIndexMap) {
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25 | var styleNameIndex = undefined;
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26 |
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27 | styleNameIndex = stylesIndexMap.get(styleNames);
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28 |
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29 | if (styleNameIndex) {
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30 | return styleNameIndex;
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31 | }
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32 | } else {
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33 | stylesIndexMap = stylesIndex.set(styles, new _es6Map2.default());
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34 | }
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35 |
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36 | appendClassName = '';
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37 |
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38 | for (styleName in styleNames) {
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39 | var className = undefined;
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40 |
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41 | className = styles[styleNames[styleName]];
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42 |
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43 | if (className) {
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44 | appendClassName += ' ' + className;
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45 | } else if (errorWhenNotFound === true) {
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46 | throw new Error('"' + styleNames[styleName] + '" CSS module is undefined.');
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47 | }
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48 | }
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49 |
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50 | appendClassName = appendClassName.trim();
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51 |
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52 | stylesIndexMap.set(styleNames, appendClassName);
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53 |
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54 | return appendClassName;
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55 | };
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56 |
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57 | module.exports = exports['default'];
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58 |
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