Add noCleanup argument (#95)

* Added noCleanup argument (don't delete temp audio/video files on ffmpeg error)
* Added argument to README

Co-authored-by: Aleksa Savic <savicaleksa83@gmail.com>

README.md

@@ -78,6 +78,8 @@ Options:
   --verbose, -v            Print additional information to the console (use this
                            before opening an issue on GitHub)
                                                       [boolean] [default: false]
+  --noCleanup, --nc        Don't delete the downloaded video file when an FFmpeg
+                           error occurs               [boolean] [default: false]
 ```
 
 Download a video -

src/CommandLineParser.ts

@@ -54,6 +54,13 @@ export const argv = yargs.options({
         type: 'boolean',
         default: false,
         demandOption: false
+    },
+    noCleanup: {
+        alias: 'nc',
+        describe: `Don't delete the downloaded video file when an FFmpeg error occurs`,
+        type: 'boolean',
+        default: false,
+        demandOption: false
     }
 })
 /**

src/destreamer.ts

@@ -195,6 +195,9 @@ async function downloadVideo(videoUrls: string[], outputDirectories: string[], s
         const cleanupFn = function () {
             pbar.stop();
 
+           if (argv.noCleanup)
+               return;
+
             try {
                 fs.unlinkSync(outputPath);
             } catch(e) {}
@@ -223,11 +226,7 @@ async function downloadVideo(videoUrls: string[], outputDirectories: string[], s
         });
 
         ffmpegCmd.on('error', (error: any) => {
-            pbar.stop();
+            cleanupFn();
-
-            try {
-                fs.unlinkSync(outputPath);
-            } catch (e) {}
 
             console.log(`\nffmpeg returned an error: ${error.message}`);
             process.exit(ERROR_CODE.UNK_FFMPEG_ERROR);