Windows path differences from linux/darwin are ruining my day https://github.com/felixrieseberg/electron-wix-msi/issues/5

app/scripts/build_win.js

@@ -1,19 +1,33 @@
+const path = require('path');
 const { MSICreator } = require('electron-wix-msi');
 const package = require('../package.json')
 
 // Step 1: Instantiate the MSICreator
 const msiCreator = new MSICreator({
-  appDirectory: '../dist/mcopy-win32-x64',
+  appDirectory: path.resolve(__dirname, '..', 'dist', 'mcopy-win32-x64'),
   description: 'mcopy optical printer GUI',
   exe: 'mcopy',
   name: 'mcopy',
   manufacturer: 'sixteenmillimeter.com',
   version: package.version,
-  outputDirectory: '../dist/'
+  outputDirectory: path.resolve(__dirname, '..', 'dist')
 });
 
+async function build () {
+
 	// Step 2: Create a .wxs template file
-msiCreator.create();
+	try {
+		await msiCreator.create();
+	} catch (err) {
+		console.error(err);
+	}
 
 	// Step 3: Compile the template to a .msi file
-setTimeout(msiCreator.compile, 30000)
+	try {
+		await msiCreator.compile();
+	} catch (err) {
+		console.error(err);
+	}
+}
+
+build();