From 0a25e19498149a1382126c66aa6d963c7597b9f0 Mon Sep 17 00:00:00 2001
From: hinamiyagk <syobon.hinata.public@gmail.com>
Date: Tue, 29 Dec 2015 01:20:15 +0900
Subject: [PATCH] Add type definition for IPC Event on main process

---
 github-electron/github-electron-main-tests.ts |  4 ++--
 github-electron/github-electron.d.ts          | 20 ++++++++++++++++++-
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/github-electron/github-electron-main-tests.ts b/github-electron/github-electron-main-tests.ts
index 8a0d4125f..55588681f 100644
--- a/github-electron/github-electron-main-tests.ts
+++ b/github-electron/github-electron-main-tests.ts
@@ -275,12 +275,12 @@ globalShortcut.unregisterAll();
 // ipcMain
 // https://github.com/atom/electron/blob/master/docs/api/ipc-main-process.md
 
-ipcMain.on('asynchronous-message', (event: any, arg: any) => {
+ipcMain.on('asynchronous-message', (event: GitHubElectron.IPCMainEvent, arg: any) => {
 	console.log(arg);  // prints "ping"
 	event.sender.send('asynchronous-reply', 'pong');
 });
 
-ipcMain.on('synchronous-message', (event: any, arg: any) => {
+ipcMain.on('synchronous-message', (event: GitHubElectron.IPCMainEvent, arg: any) => {
 	console.log(arg);  // prints "ping"
 	event.returnValue = 'pong';
 });
diff --git a/github-electron/github-electron.d.ts b/github-electron/github-electron.d.ts
index 37dd60222..0c11ee048 100644
--- a/github-electron/github-electron.d.ts
+++ b/github-electron/github-electron.d.ts
@@ -1464,6 +1464,24 @@ declare module GitHubElectron {
 		sendToHost(channel: string, ...args: any[]): void;
 	}
 
+	class IPCMain implements NodeJS.EventEmitter {
+		addListener(event: string, listener: Function): IPCMain;
+		once(event: string, listener: Function): IPCMain;
+		removeListener(event: string, listener: Function): IPCMain;
+		removeAllListeners(event?: string): IPCMain;
+		setMaxListeners(n: number): IPCMain;
+		getMaxListeners(): number;
+		listeners(event: string): Function[];
+		emit(event: string, ...args: any[]): boolean;
+		listenerCount(type: string): number;
+		on(event: string, listener: (event: IPCMainEvent, ...args: any[]) => any): IPCMain;
+	}
+
+	interface IPCMainEvent {
+		returnValue?: any;
+		sender: WebContents;
+	}
+
 	interface Remote extends CommonElectron {
 		/**
 		 * @returns The object returned by require(module) in the main process.
@@ -1761,7 +1779,7 @@ declare module GitHubElectron {
 		BrowserWindow: typeof GitHubElectron.BrowserWindow;
 		contentTracing: GitHubElectron.ContentTracing;
 		dialog: GitHubElectron.Dialog;
-		ipcMain: NodeJS.EventEmitter;
+		ipcMain: GitHubElectron.IPCMain;
 		globalShortcut: GitHubElectron.GlobalShortcut;
 		Menu: typeof GitHubElectron.Menu;
 		MenuItem: typeof GitHubElectron.MenuItem;