Fix postinstall script issues

scripts/postinstall.js

@@ -1,11 +1,11 @@
-import { exec } from 'child_process';
-import os from 'os';
-import { promises as fs } from 'fs';
-import path from 'path';
-import unzipper from 'unzipper';
-import archiver from 'archiver';
+/* eslint-disable @typescript-eslint/no-var-requires */
+const { exec } = require('child_process');
+const os = require('os');
+const fs = require('fs').promises;
+const path = require('path');
+const unzipper = require('unzipper');
+const archiver = require('archiver');
 
-const __dirname = path.dirname(new URL(import.meta.url).pathname);
 const appxFilePath = path.resolve(__dirname, '../out/make/JeromeThayananthajothy.CometApp.appx');
 const outputAppxPath = path.resolve(__dirname, '../out/make/JeromeThayananthajothy.CometApp-modified.appx');
 const tempDir = path.resolve(__dirname, '../temp/appx');
@@ -47,11 +47,11 @@ async function modifyManifest() {
     const output = fs.createWriteStream(outputAppxPath);
     const archive = archiver('zip', { zlib: { level: 9 } });
 
-    output.on('close', () => {
+    output.on('close', function () {
       console.log(`${archive.pointer()} total bytes written`);
     });
 
-    archive.on('error', (err) => {
+    archive.on('error', function (err) {
       throw err;
     });