refactor: improvements to blob editor and code cleanup

src/common/libs/formatBytes.js

@@ -0,0 +1,12 @@
+'use strict';
+export function formatBytes (bytes, decimals = 2) {
+   if (bytes === 0) return '0 Bytes';
+
+   const k = 1024;
+   const dm = decimals < 0 ? 0 : decimals;
+   const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
+
+   const i = Math.floor(Math.log(bytes) / Math.log(k));
+
+   return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
+}