Files: 55fc93a9190c25f467ead205ab8d676b5191dbd4 / lib / unique-roots.js
252 bytesRaw
1 | const pull = require('pull-stream') |
2 | |
3 | module.exports = function UniqueRoots () { |
4 | const included = new Set() |
5 | return pull.filter(msg => { |
6 | if (!included.has(msg.rootId)) { |
7 | included.add(msg.key) |
8 | return true |
9 | } |
10 | return false |
11 | }) |
12 | } |
13 |
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