Init commit

server/core/lib/internal-event-emitter.ts

@@ -0,0 +1,40 @@
+import { MChannel, MVideo, MVideoImmutable } from '@server/types/models/index.js'
+import { EventEmitter } from 'events'
+
+export interface PeerTubeInternalEvents {
+  'video-created': (options: { video: MVideo }) => void
+  'video-updated': (options: { video: MVideo }) => void
+  'video-deleted': (options: { video: MVideo }) => void
+
+  'channel-created': (options: { channel: MChannel }) => void
+  'channel-updated': (options: { channel: MChannel }) => void
+  'channel-deleted': (options: { channel: MChannel }) => void
+
+  'chapters-updated': (options: { video: MVideoImmutable }) => void
+}
+
+// eslint-disable-next-line @typescript-eslint/no-unsafe-declaration-merging
+declare interface InternalEventEmitter {
+  on<U extends keyof PeerTubeInternalEvents>(
+    event: U,
+    listener: PeerTubeInternalEvents[U]
+  ): this
+
+  emit<U extends keyof PeerTubeInternalEvents>(
+    event: U,
+    ...args: Parameters<PeerTubeInternalEvents[U]>
+  ): boolean
+}
+
+// eslint-disable-next-line @typescript-eslint/no-unsafe-declaration-merging
+class InternalEventEmitter extends EventEmitter {
+  private static instance: InternalEventEmitter
+
+  static get Instance () {
+    return this.instance || (this.instance = new this())
+  }
+}
+
+export {
+  InternalEventEmitter
+}