convert remaining CommonJS modules to ES module syntax

src/main/app_setup.ts

@@ -7,7 +7,11 @@ function preventMultipleAppInstances(): void {
 	}
 }
 
-function openMinimizedIfAlreadyExists({ win }: { win: BrowserWindow }): void {
+function openMinimizedIfAlreadyExists({
+	win
+}: {
+	win: BrowserWindow | null;
+}): void {
 	app.on("second-instance", () => {
 		if (win) {
 			if (win.isMinimized()) {
@@ -24,15 +28,15 @@ function quitOnWindowsAllClosed(): void {
 	});
 }
 
-function createWindowOnActivate({ win }: { win: BrowserWindow }): void {
+function createWindowOnActivate({ win }: { win: BrowserWindow | null }): void {
 	app.on("activate", () => {
 		if (!win) {
 			win = createMainWindow();
 		}
 	});
 }
 
-export function setupApp({ win }: { win: BrowserWindow }): void {
+export function setupApp({ win }: { win: BrowserWindow | null }): void {
 	preventMultipleAppInstances();
 	openMinimizedIfAlreadyExists({ win: win });
 	quitOnWindowsAllClosed();

src/main/index.ts

@@ -6,10 +6,10 @@ if (is.development && module.hot) {
 	module.hot.accept();
 }
 
-const { app } = require("electron");
-const { setupMenu } = require("./menu");
-const { init } = require("./init");
-const { createMainWindow, setupMainWindow } = require("./window_setup");
+import { app } from "electron";
+import { setupMenu } from "./menu";
+import { init } from "./init";
+import { createMainWindow, setupMainWindow } from "./window_setup";
 
 // Maintain reference to window to
 // prevent it from being garbage collected

src/main/init.ts

@@ -17,7 +17,7 @@ function setupUserModelId(): void {
 	app.setAppUserModelId(packageJson.build.appId);
 }
 
-export function init({ win }: { win: BrowserWindow }): void {
+export function init({ win }: { win: BrowserWindow | null }): void {
 	setupErrorHandling();
 	setupContextMenu();
 	setupUserModelId();

src/main/window_setup.ts

@@ -1,7 +1,7 @@
 import { BrowserWindow, app } from "electron";
-const { is } = require("electron-util");
-const url = require("url");
-const path = require("path");
+import { is } from "electron-util";
+import url from "url";
+import path from "path";
 
 const DEFAULT_WINDOW_WIDTH = 580;
 const DEFAULT_WINDOW_HEIGHT = 312;

src/renderer/add_files.ts

@@ -115,7 +115,7 @@ function cleanExifData(exifHash: any): any {
 // When finished working with it, it should be closed,
 // when -stay_open False will be written to its stdin to exit the process.
 //
-// const exiftool = require('node-exiftool')
+// import exiftool from "node-exiftool"
 // const ep = new exiftool.ExiftoolProcess()
 //
 // ep