vite.config.js

import { sveltekit } from '@sveltejs/kit/vite';
import { NodeGlobalsPolyfillPlugin } from '@esbuild-plugins/node-globals-polyfill'
import { NodeModulesPolyfillPlugin } from '@esbuild-plugins/node-modules-polyfill'
import rollupNodePolyFill from 'rollup-plugin-node-polyfills'

/** @type {import('vite').UserConfig} */
const config = {
	plugins: [sveltekit()],
	test: {
		include: ['src/**/*.{test,spec}.{js,ts}']
	},
	resolve: {
		alias: {
			// This Rollup aliases are extracted from @esbuild-plugins/node-modules-polyfill,
			// see https://github.com/remorses/esbuild-plugins/blob/master/node-modules-polyfill/src/polyfills.ts
			// process and buffer are excluded because already managed
			// by node-globals-polyfill
			util: 'rollup-plugin-node-polyfills/polyfills/util',
			sys: 'util',
			events: 'rollup-plugin-node-polyfills/polyfills/events',
			stream: 'rollup-plugin-node-polyfills/polyfills/stream',
			path: 'rollup-plugin-node-polyfills/polyfills/path',
			querystring: 'rollup-plugin-node-polyfills/polyfills/qs',
			punycode: 'rollup-plugin-node-polyfills/polyfills/punycode',
			url: 'rollup-plugin-node-polyfills/polyfills/url',
			string_decoder:
				'rollup-plugin-node-polyfills/polyfills/string-decoder',
			http: 'rollup-plugin-node-polyfills/polyfills/http',
			https: 'rollup-plugin-node-polyfills/polyfills/http',
			os: 'rollup-plugin-node-polyfills/polyfills/os',
			assert: 'rollup-plugin-node-polyfills/polyfills/assert',
			constants: 'rollup-plugin-node-polyfills/polyfills/constants',
			buffer: 'rollup-plugin-node-polyfills/polyfills/buffer-es6',
            process: 'rollup-plugin-node-polyfills/polyfills/process-es6',
			_stream_duplex:
				'rollup-plugin-node-polyfills/polyfills/readable-stream/duplex',
			_stream_passthrough:
				'rollup-plugin-node-polyfills/polyfills/readable-stream/passthrough',
			_stream_readable:
				'rollup-plugin-node-polyfills/polyfills/readable-stream/readable',
			_stream_writable:
				'rollup-plugin-node-polyfills/polyfills/readable-stream/writable',
			_stream_transform:
				'rollup-plugin-node-polyfills/polyfills/readable-stream/transform',
			timers: 'rollup-plugin-node-polyfills/polyfills/timers',
			console: 'rollup-plugin-node-polyfills/polyfills/console',
			vm: 'rollup-plugin-node-polyfills/polyfills/vm',
			zlib: 'rollup-plugin-node-polyfills/polyfills/zlib',
			tty: 'rollup-plugin-node-polyfills/polyfills/tty',
			domain: 'rollup-plugin-node-polyfills/polyfills/domain'
		}
	},
	optimizeDeps: {
		include: ["highlight.js", "highlight.js/lib/core"],
		esbuildOptions: {
			// Node.js global to browser globalThis
			define: {
				global: 'globalThis'
			},
			// Enable esbuild polyfill plugins
			plugins: [
				NodeGlobalsPolyfillPlugin({
					process: true,
					buffer: true
				}),
				NodeModulesPolyfillPlugin()
			]
		}
	},
	build: {
		rollupOptions: {
			plugins: [
				// Enable rollup polyfills plugin
				// used during production bundling
				rollupNodePolyFill()
			]
		}
	}
};

export default config;