simplify ipc api

src/main.ts

@@ -1,13 +1,12 @@
 import { app, BrowserWindow } from 'electron';
 
-import api from './main/services/api';
+import './main/services/api';
 import session from './main/services/session';
 
 let mainWindow: Electron.BrowserWindow;
 
 async function createWindow() {
   session.init();
-  api.init();
 
   // Create the browser window.
   mainWindow = new BrowserWindow({

src/main/services/api.ts

@@ -1,14 +1,17 @@
 import { ipcMain } from 'electron';
+import WebContents = Electron.WebContents;
 
-function init() {
-  ipcMain.on(
-    IpcRendererMessages.Credentials,
-    (event: any, arg: ICredentials) => {
-      event.reply(IpcMainMessages.Pong, arg);
-    }
-  );
-}
-
-export default {
-  init,
-};
+ipcMain.on(
+  IpcChannels.Credentials,
+  (
+    event: {
+      frameId: number;
+      preventDefault: () => void;
+      reply: (channel: string, ...args: any) => void;
+      sender: WebContents;
+    },
+    ...args: any
+  ) => {
+    event.reply(IpcChannels.Pong, args);
+  }
+);

src/renderer/services/api.ts

@@ -1,10 +1,10 @@
 import { ipcRenderer } from 'electron';
 
 function sendCredentials(credentials: ICredentials) {
-  ipcRenderer.send(IpcRendererMessages.Credentials, credentials);
+  ipcRenderer.send(IpcChannels.Credentials, credentials);
 }
 
-ipcRenderer.on(IpcMainMessages.Pong, (...args: any) => {
+ipcRenderer.on(IpcChannels.Pong, (event, ...args: any) => {
   console.log(args);
 });
 

src/types/ipc.ts

@@ -1,8 +1,5 @@
-const enum IpcRendererMessages {
+const enum IpcChannels {
   Credentials = 'CREDENTIALS',
-}
-
-const enum IpcMainMessages {
   Pong = 'PONG',
 }