System to handle IPC communication

src/electron/ipc/TestHandler.ipc.ts

@@ -0,0 +1,11 @@
+import { IPCHandler } from '../shared/IPCHandler'
+import { TestInput } from '../shared/interfaces/test.interface'
+
+export default class TestHandler implements IPCHandler<'test-event-A'> {
+  event = 'test-event-A' as 'test-event-A'
+  async handler(data: TestInput) {
+    await new Promise<void>((resolve) => setTimeout(() => resolve(), 3000))
+
+    return `Processed data with value1 = ${data.value1} and value2 + 5 = ${data.value2 + 5}`
+  }
+}

src/electron/main.ts

@@ -3,7 +3,7 @@ import * as path from 'path'
 import * as url from 'url'
 
 // IPC Handlers
-// import { getIPCHandlers } from './src/assets/electron/shared/IPCHandler'
+import { getIPCHandlers } from './shared/IPCHandler'
 
 let mainWindow: BrowserWindow
 const args = process.argv.slice(1)
@@ -60,7 +60,7 @@ function createBridgeWindow() {
   mainWindow.setMenu(null)
 
   // IPC handlers
-  // getIPCHandlers().map(handler => ipcMain.handle(handler.event, (_event, ...args) => handler.handler(args[0])))
+  getIPCHandlers().map(handler => ipcMain.handle(handler.event, (_event, ...args) => handler.handler(args[0])))
 
   // Load angular app
   mainWindow.loadURL(getLoadUrl())

src/electron/shared/IPCHandler.ts

@@ -0,0 +1,32 @@
+import TestHandler from '../ipc/TestHandler.ipc'
+import { TestInput } from './interfaces/test.interface'
+
+/**
+ * To add a new IPC listener:
+ * 1.) Write input/output interfaces
+ * 2.) Add the event to IPCEvents
+ * 3.) Write a class that implements IPCHandler
+ * 4.) Add the class to getIPCHandlers
+ */
+
+export function getIPCHandlers(): IPCHandler<keyof IPCEvents>[] {
+  return [
+    new TestHandler()
+  ]
+}
+
+export type IPCEvents = {
+  ['test-event-A']: {
+    input: TestInput
+    output: string
+  }
+  ['test-event-B']: {
+    input: number
+    output: number
+  }
+}
+
+export interface IPCHandler<E extends keyof IPCEvents> {
+  event: E
+  handler(data: IPCEvents[E]['input']): Promise<IPCEvents[E]['output']> | IPCEvents[E]['output']
+}

src/electron/shared/interfaces/test.interface.ts

@@ -0,0 +1,4 @@
+export interface TestInput {
+  value1: string
+  value2: number
+}