Files: bf773c764144ae29c9dbe4469dba56760ba6a6df / channel / sync.js
571 bytesRaw
1 | var nest = require('depnest') |
2 | var ref = require('ssb-ref') |
3 | |
4 | exports.needs = nest({ |
5 | 'keys.sync.id': 'first', |
6 | 'channel.obs.subscribed': 'first', |
7 | }) |
8 | |
9 | exports.gives = nest('channel.sync.isSubscribedTo') |
10 | |
11 | exports.create = function (api) { |
12 | return nest('channel.sync.isSubscribedTo', isSubscribedTo) |
13 | |
14 | function isSubscribedTo (channel, id) { |
15 | if (!ref.isFeed(id)) { |
16 | id = api.keys.sync.id() |
17 | } |
18 | |
19 | const { subscribed } = api.channel.obs |
20 | const myChannels = subscribed(id) |
21 | let v = myChannels().values() |
22 | return [...v].includes(channel) |
23 | } |
24 | } |
25 |
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