vite.config.js

import { sveltekit } from '@sveltejs/kit/vite';
// polyfill code sourced from: https://medium.com/@ftaioli/using-node-js-builtin-modules-with-vite-6194737c2cd2
// yarn add --dev @esbuild-plugins/node-globals-polyfill
import { NodeGlobalsPolyfillPlugin } from '@esbuild-plugins/node-globals-polyfill'
// yarn add --dev @esbuild-plugins/node-modules-polyfill
import { NodeModulesPolyfillPlugin } from '@esbuild-plugins/node-modules-polyfill'
import { esbuildCommonjs, viteCommonjs } from '@originjs/vite-plugin-commonjs'

/** @type {import('vite').UserConfig} */
const config = {
	plugins: [sveltekit(), viteCommonjs()],
	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',
            _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: {
        esbuildOptions: {
            // Node.js global to browser globalThis
            define: {
                global: 'globalThis'
            },
            // Enable esbuild polyfill plugins
            plugins: [
                NodeGlobalsPolyfillPlugin({
                    process: true,
                    buffer: true
                }),
                NodeModulesPolyfillPlugin(),
                esbuildCommonjs(['proskomma-core']),
                {
                    name: 'fix-node-globals-polyfill',
                    setup(build) {
                      build.onResolve(
                        { filter: /_(buffer|process|virtual-process-polyfill_)\.js/ },
                        ({ path }) => ({ path })
                      )
                    }
                }
            ],
        }
    }
};

export default config;