pinafore/routes/_utils/mastodon/StatusStream.js

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2018-01-25 18:03:34 +01:00
import { paramsString } from '../ajax'
import noop from 'lodash/noop'
import WebSocketClient from 'websocket.js'
function getStreamName(timeline) {
switch (timeline) {
case 'local':
return 'public:local'
case 'federated':
return 'public'
case 'home':
return 'user'
case 'notifications':
return 'user:notification'
}
if (timeline.startsWith('tag/')) {
return 'hashtag'
}
}
function getUrl(streamingApi, accessToken, timeline) {
let url = `${streamingApi}/api/v1/streaming`
let streamName = getStreamName(timeline)
let params = {
stream: streamName
}
if (timeline.startsWith('tag/')) {
params.tag = timeline.split('/').slice(-1)[0]
}
if (accessToken) {
params.access_token = accessToken
}
return url + '?' + paramsString(params)
}
export class StatusStream {
constructor(streamingApi, accessToken, timeline, opts) {
let url = getUrl(streamingApi, accessToken, timeline)
const ws = new WebSocketClient(url, null, { backoff: 'exponential' })
const onMessage = opts.onMessage || noop
ws.onopen = opts.onOpen || noop
ws.onmessage = e => onMessage(JSON.parse(e.data))
ws.onclose = opts.onClose || noop
ws.onreconnect = opts.onReconnect || noop
this._ws = ws
}
close() {
this._ws.close()
}
}