Update util.ts

src/main/util.ts

 /* eslint import/prefer-default-export: off */
 import { URL } from 'url';
 import path from 'path';
+const { resolve } = require('path');
 
 export function resolveHtmlPath(htmlFileName: string) {
   if (process.env.NODE_ENV === 'development') {
@@ -13,7 +14,7 @@ export function resolveHtmlPath(htmlFileName: string) {
     let opts = require('url').format({
         protocol: 'file:',
         slashes: true,
-        pathname: path.resolve(__dirname, '../renderer/'),
+        pathname: resolve(__dirname, '../renderer/'),
         hash:htmlFileName
     })
     // return `file://${path.resolve(__dirname, '../renderer/', htmlFileName)}`;