generated from CMU-17313Q/NodeBB-f23
-
Notifications
You must be signed in to change notification settings - Fork 1
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #16 from CMU-17313Q/fixing-newline-pubsub.ts
Fixing newline issue with pubsub.ts that caused lint to fail
- Loading branch information
Showing
2 changed files
with
132 additions
and
31 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,87 @@ | ||
import { EventEmitter } from 'events'; | ||
|
||
import nconf from 'nconf'; | ||
|
||
let real; | ||
let noCluster; | ||
let singleHost; | ||
interface PubSubMessage { | ||
action: string; | ||
event: string; | ||
data: unknown; | ||
} | ||
function get() { | ||
if (real) { | ||
return real as string; | ||
} | ||
|
||
let pubsub; | ||
|
||
if (!nconf.get('isCluster')) { | ||
if (noCluster) { | ||
real = noCluster as string; | ||
return real as string; | ||
} | ||
noCluster = new EventEmitter(); | ||
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call | ||
noCluster.publish = noCluster.emit.bind(noCluster) as string[]; | ||
pubsub = noCluster as string[]; | ||
} else if (nconf.get('singleHostCluster')) { | ||
if (singleHost) { | ||
real = singleHost as string; | ||
return real as string; | ||
} | ||
singleHost = new EventEmitter(); | ||
if (!process.send) { | ||
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call | ||
singleHost.publish = singleHost.emit.bind(singleHost) as string[]; | ||
} else { | ||
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call | ||
singleHost.publish = function (event, data) { | ||
process.send({ | ||
action: 'pubsub', | ||
event: event as string, | ||
data: data as string, | ||
}); | ||
}; | ||
process.on('message', (message: PubSubMessage) => { | ||
if (message && typeof message === 'object' && message.action === 'pubsub') { | ||
// eslint-disable-next-line max-len | ||
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call | ||
singleHost.emit(message.event, message.data); | ||
} | ||
}); | ||
} | ||
pubsub = singleHost as string; | ||
} else if (nconf.get('redis')) { | ||
// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment | ||
pubsub = require('./database/redis/pubsub'); | ||
} else { | ||
throw new Error('[[error:redis-required-for-pubsub]]'); | ||
} | ||
|
||
real = pubsub as string; | ||
// eslint-disable-next-line @typescript-eslint/no-unsafe-return | ||
return pubsub; | ||
} | ||
function publish(event, data) { | ||
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call | ||
get().publish(event, data) as string[]; | ||
} | ||
function on(event, callback) { | ||
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call | ||
get().on(event, callback) as string[]; | ||
} | ||
function removeAllListeners(event: EventEmitter) { | ||
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call | ||
get().removeAllListeners(event) as string[]; | ||
} | ||
function reset() { | ||
real = null; | ||
} | ||
export { | ||
publish, | ||
on, | ||
removeAllListeners, | ||
reset, | ||
}; |