fixed background.js

src/background.js

@@ -161,9 +161,26 @@ ipcMain.on("getDeeplink", (event) => {
 function download(url, fileName, cb) {
     let dest = path.join(app.getPath('temp'), fileName + ".zip");
     let file = fs.createWriteStream(dest);
+    var partiallength = 0 //sets partiallength to 0
+
     if(new URL(url).protocol == "https:") {
       let request = https.get(url, function(response) {
           response.pipe(file);
+
+          var totallength = parseInt(response.headers['content-length'], 10); //sets totallength of file
+          response.on("data", function(chunk) {
+            partiallength += chunk.length //adds each time
+            let decimallength = partiallength / totallength
+            if (decimallength != 1) {
+              win.setProgressBar(decimallength) //sets progress bar to decimal
+              win.webContents.send("downloadProgress", decimallength)
+            }
+            else {
+              win.setProgressBar(0) //sets progress bar to blank when done
+              win.webContents.send("downloadProgress", 0)
+            }
+          });
+
           file.on('finish', function() {
               file.close(cb(null, dest)); // async call of the callback
           });
@@ -171,23 +188,12 @@ function download(url, fileName, cb) {
           fs.unlink(dest); // Delete the file async. (But we don't check the result)
           if (cb) cb(err.message, dest);
       });
+
     } else {
       let request = http.get(url, function(response) {
           response.pipe(file);
-          file.on('finish', function() {
-              file.close(cb(null, dest)); // async call of the callback
-          });
-      }).on('error', function(err) { // Handle errors
-          fs.unlink(dest); // Delete the file async. (But we don't check the result)
-          if (cb) cb(err.message, dest);
-      });
-    }
-
-    let request = https.get(url, function(response) {
 
-    var partiallength = 0 //sets partiallength to 0
           var totallength = parseInt(response.headers['content-length'], 10); //sets totallength of file
-
           response.on("data", function(chunk) {
             partiallength += chunk.length //adds each time
             let decimallength = partiallength / totallength
@@ -199,10 +205,8 @@ function download(url, fileName, cb) {
               win.setProgressBar(0) //sets progress bar to blank when done
               win.webContents.send("downloadProgress", 0)
             }
-          
           });
           
-        response.pipe(file);
           file.on('finish', function() {
               file.close(cb(null, dest)); // async call of the callback
           });
@@ -210,4 +214,5 @@ function download(url, fileName, cb) {
           fs.unlink(dest); // Delete the file async. (But we don't check the result)
           if (cb) cb(err.message, dest);
       });
+    }
 };
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