1 | const { renderer } = require('posthtml-svg-mode');
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2 | const { getRoot, getHash } = require('./utils');
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3 | const defaultFactory = require('./symbol-factory');
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4 | const FileRequest = require('./request');
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5 | const clone = require('clone');
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6 |
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7 | class SpriteSymbol {
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8 | constructor({ id, tree, request }) {
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9 | this.id = id;
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10 | this._tree = tree;
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11 | this.request = request;
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12 | }
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13 |
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14 | |
15 |
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16 |
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17 |
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18 |
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19 |
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20 |
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21 |
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22 | static create(options) {
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23 | const { content, factory = defaultFactory } = options;
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24 | const request = typeof options.request === 'string' ? new FileRequest(options.request) : options.request;
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25 | const id = typeof options.id === 'undefined' ? getHash(`${request.toString()}_${content}`) : options.id;
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26 |
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27 | return factory({ content, request, id })
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28 | .then(({ tree }) => new SpriteSymbol({ id, request, tree }));
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29 | }
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30 |
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31 | |
32 |
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33 |
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34 | get viewBox() {
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35 | const root = getRoot(this.tree);
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36 | return root.attrs ? root.attrs.viewBox : null;
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37 | }
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38 |
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39 | get tree() {
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40 | return clone(this._tree);
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41 | }
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42 |
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43 | |
44 |
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45 |
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46 | get useId() {
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47 | return `${this.id}-usage`;
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48 | }
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49 |
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50 | |
51 |
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52 |
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53 | render() {
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54 | return renderer(this.tree);
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55 | }
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56 | }
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57 |
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58 | module.exports = SpriteSymbol;
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