Open devtool only if needed

src/main.ts

@@ -1,6 +1,11 @@
 import { BrowserWindow, app, dialog, ipcMain } from "electron";
 import { statSync, unlink } from "fs";
-import { execute, getNewFilename, getVideoDuration } from "./utils/misc";
+import {
+  execute,
+  getNewFilename,
+  getVideoDuration,
+  printAndDevTool,
+} from "./utils/misc";
 import path = require("path");
 import ffmpegPath = require("ffmpeg-static");
 
@@ -20,11 +25,27 @@ const createWindow = () => {
   });
 
   win.loadFile(path.join(path.resolve(__dirname, ".."), "pages", "index.html"));
-  win.webContents.openDevTools(); // debug
 
   return win;
 };
 
+/* Ready to create the window */
+app.whenReady().then(() => {
+  const win = createWindow();
+
+  /** Ask user a file */
+  const askFile = async () => {
+    return dialog.showOpenDialogSync(win, {
+      filters: [moviesFilter],
+      properties: ["openFile", "dontAddToRecent"],
+    });
+  };
+
+  /** Send confirmation to user */
+  const confirmation = async (message: string) => {
+    dialog.showMessageBoxSync(win, { message });
+  };
+
   /** Merge all audios track of a video into one */
   const mergeAudio = async (file: string) => {
     const tmpFile = getNewFilename(file, "TMP_");
@@ -33,12 +54,12 @@ const mergeAudio = async (file: string) => {
     // Merge 2 audio
     await execute(
       `${ffmpegPath} -y -i "${file}" -filter_complex "[0:a]amerge=inputs=2[a]" -ac 1 -map 0:v -map "[a]" -c:v copy "${tmpFile}"`
-  );
+    ).catch((e) => printAndDevTool(win, e));
 
     // Add merged audio as first position to original video
     await execute(
       `${ffmpegPath} -y -i "${tmpFile}" -i "${file}" -map 0 -map 1:a -c:v copy "${outFile}"`
-  );
+    ).catch((e) => printAndDevTool(win, e));
 
     // Delete the temporary file
     unlink(tmpFile, (err) => {
@@ -66,7 +87,7 @@ const reduceSize = async (file: string, bitrate: number) => {
     await execute(
       `${ffmpegPath} -y -i "${file}" -c:v libx264 -b:v ${videoBitrate}k -pass 1 -an -f mp4 ${nul} && \
      ${ffmpegPath} -y -i "${file}" -c:v libx264 -b:v ${videoBitrate}k -pass 2 -c:a copy -map 0:0 -map 0:1 -map 0:2 -map 0:3 -f mp4 "${finalFile}"`
-  );
+    ).catch((e) => printAndDevTool(win, e));
 
     // Delete the old file
     unlink(file, (err) => {
@@ -78,23 +99,6 @@ const reduceSize = async (file: string, bitrate: number) => {
     return finalFile;
   };
 
-/* Ready to create the window */
-app.whenReady().then(() => {
-  const win = createWindow();
-
-  /** Ask user a file */
-  const askFile = async () => {
-    return dialog.showOpenDialogSync(win, {
-      filters: [moviesFilter],
-      properties: ["openFile", "dontAddToRecent"],
-    });
-  };
-
-  /** Send confirmation to user */
-  const confirmation = async (message: string) => {
-    dialog.showMessageBoxSync(win, { message });
-  };
-
   /* Context bridge */
   ipcMain.handle("argv", () => process.argv);
   ipcMain.handle("allowedExtensions", () => moviesFilter);

src/utils/misc.ts

@@ -1,6 +1,7 @@
 import ffprobe = require("ffprobe-static");
 import child_process = require("child_process");
 import path = require("path");
+import { BrowserWindow } from "electron";
 
 /** Create a new filename from the OG one */
 export const getNewFilename = (ogFile: string, part: string) => {
@@ -15,6 +16,12 @@ export const getVideoDuration = (file: string) => {
   return parseFloat(durationString);
 };
 
+/** Print an error to the console and open the dev tool panel */
+export const printAndDevTool = (win: BrowserWindow, error: string) => {
+  console.error(error);
+  win.webContents.openDevTools();
+};
+
 /** Run a command asynchronously */
 export const execute = (command: string) => {
   return new Promise((resolve, reject) => {