Last change
on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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100644
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File size:
598 bytes
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1 | var generate = require('css-tree').generate;
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2 |
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3 | function Index() {
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4 | this.seed = 0;
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5 | this.map = Object.create(null);
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6 | }
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7 |
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8 | Index.prototype.resolve = function(str) {
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9 | var index = this.map[str];
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10 |
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11 | if (!index) {
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12 | index = ++this.seed;
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13 | this.map[str] = index;
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14 | }
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15 |
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16 | return index;
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17 | };
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18 |
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19 | module.exports = function createDeclarationIndexer() {
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20 | var ids = new Index();
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21 |
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22 | return function markDeclaration(node) {
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23 | var id = generate(node);
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24 |
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25 | node.id = ids.resolve(id);
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26 | node.length = id.length;
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27 | node.fingerprint = null;
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28 |
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29 | return node;
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30 | };
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31 | };
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