leemorgan_dev/vite.config.js

import adapter from '@sveltejs/adapter-node';
import { sveltekit } from '@sveltejs/kit/vite';
import { defineConfig } from 'vite';

export default defineConfig({
	optimizeDeps: {
		include: ['mapbox-gl']
	},
	plugins: [
		sveltekit({
			compilerOptions: {
				runes: ({ filename }) =>
					filename.split(/[/\\]/).includes('node_modules') ? undefined : true
			},
			adapter: adapter({
				out: 'build',
				precompress: true
			})
		})
	]
});