refactor: undo/redo with browser compatibility

apps/app/package.json

@@ -92,6 +92,7 @@
 		"deepmerge-ts": "^5.1.0",
 		"electron-is-dev": "^2.0.0",
 		"electron-updater": "^5.3.0",
+		"eventemitter3": "^5.0.1",
 		"file-loader": "^6.2.0",
 		"formik": "^2.2.9",
 		"formik-mui": "^5.0.0-alpha.0",

apps/app/src/electron/ClientEventBus.ts

@@ -11,10 +11,18 @@ import { ActiveAnalog } from '../models/rundown/Analog'
 import { AnalogInput } from '../models/project/AnalogInput'
 import { BridgeId } from '@shared/api'
 import { BridgePeripheralId } from '@shared/lib'
-import { EventEmitter } from 'stream'
+import EventEmitter from 'eventemitter3'
+import { SerializableLedgers } from '../models/project/Project'
+
+type ClientEventBusEvents = {
+	callMethod: (...args: any[]) => void // legacy
+	updateUndoLedgers: (undoLedgers: SerializableLedgers) => void
+	updateRundown: (rundown: Rundown) => void
+	updateProject: (rundown: Project) => void
+}
 
 // --- some of it might be needed, most of it hopefully not
-export class ClientEventBus extends EventEmitter implements IPCClientMethods {
+export class ClientEventBus extends EventEmitter<ClientEventBusEvents> implements IPCClientMethods {
 	close(): void {
 		// Nothing here
 	}
@@ -31,6 +39,9 @@ export class ClientEventBus extends EventEmitter implements IPCClientMethods {
 	updateRundown(_fileName: string, rundown: Rundown): void {
 		this.emit('updateRundown', rundown) // TODO: some type safety, please
 	}
+	updateUndoLedgers(data: SerializableLedgers): void {
+		this.emit('updateUndoLedgers', data) // TODO: some type safety, please
+	}
 	updateResourcesAndMetadata(
 		resources: Array<{ id: ResourceId; resource: ResourceAny | null }>,
 		metadata: SerializedProtectedMap<TSRDeviceId, MetadataAny | null>