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 _simpleMap = require('./simple-map');
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8 |
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9 | var _simpleMap2 = _interopRequireDefault(_simpleMap);
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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 = new _simpleMap2.default();
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14 |
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15 | exports.default = function (styles, styleNames, errorWhenNotFound) {
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16 | var appendClassName = void 0,
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17 | stylesIndexMap = void 0;
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18 |
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19 | stylesIndexMap = stylesIndex.get(styles);
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20 |
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21 | if (stylesIndexMap) {
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22 | var styleNameIndex = stylesIndexMap.get(styleNames);
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23 |
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24 | if (styleNameIndex) {
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25 | return styleNameIndex;
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26 | }
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27 | } else {
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28 | stylesIndexMap = stylesIndex.set(styles, new _simpleMap2.default());
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29 | }
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30 |
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31 | appendClassName = '';
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32 |
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33 | for (var styleName in styleNames) {
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34 | if (styleNames.hasOwnProperty(styleName)) {
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35 | var className = styles[styleNames[styleName]];
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36 |
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37 | if (className) {
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38 | appendClassName += ' ' + className;
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39 | } else if (errorWhenNotFound === true) {
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40 | throw new Error('"' + styleNames[styleName] + '" CSS module is undefined.');
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41 | }
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42 | }
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43 | }
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44 |
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45 | appendClassName = appendClassName.trim();
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46 |
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47 | stylesIndexMap.set(styleNames, appendClassName);
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48 |
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49 | return appendClassName;
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50 | };
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51 |
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52 | module.exports = exports['default']; |
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