Last change
on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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File size:
598 bytes
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[6a3a178] | 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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