cinny/vite.config.js

import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import { wasm } from '@rollup/plugin-wasm';
import { viteStaticCopy } from 'vite-plugin-static-copy';
import { vanillaExtractPlugin } from '@vanilla-extract/vite-plugin';
import { NodeGlobalsPolyfillPlugin } from '@esbuild-plugins/node-globals-polyfill';
import inject from '@rollup/plugin-inject';
import topLevelAwait from 'vite-plugin-top-level-await';
import buildConfig from './build.config';

const copyFiles = {
  targets: [
    {
      src: 'node_modules/@matrix-org/olm/olm.wasm',
      dest: '',
    },
    {
      src: 'node_modules/pdfjs-dist/build/pdf.worker.min.mjs',
      dest: '',
      rename: 'pdf.worker.min.js',
    },
    {
      src: 'netlify.toml',
      dest: '',
    },
    {
      src: 'config.json',
      dest: '',
    },
    {
      src: 'public/manifest.json',
      dest: '',
    },
    {
      src: 'public/res/android',
      dest: 'public/',
    },
    {
      src: 'public/locales',
      dest: 'public/',
    },
    {
      src: 'twemoji/assets/svg/*',
      dest: 'twemoji/',
    },
  ],
};

export default defineConfig({
  appType: 'spa',
  publicDir: false,
  base: buildConfig.base,
  server: {
    port: 8080,
    host: true,
    proxy: {
      "^\\/.*?\\/olm\\.wasm$": {
        target: 'http://localhost:8080',
        rewrite: () => '/olm.wasm'
      }
    }
  },
  plugins: [
    topLevelAwait({
      // The export name of top-level await promise for each chunk module
      promiseExportName: '__tla',
      // The function to generate import names of top-level await promise in each chunk module
      promiseImportName: (i) => `__tla_${i}`,
    }),
    viteStaticCopy(copyFiles),
    vanillaExtractPlugin(),
    wasm(),
    react(),
  ],
  optimizeDeps: {
    esbuildOptions: {
      define: {
        global: 'globalThis',
      },
      plugins: [
        // Enable esbuild polyfill plugins
        NodeGlobalsPolyfillPlugin({
          process: false,
          buffer: true,
        }),
      ],
    },
  },
  build: {
    outDir: 'dist',
    sourcemap: true,
    copyPublicDir: false,
    rollupOptions: {
      plugins: [inject({ Buffer: ['buffer', 'Buffer'] })],
    },
  },
});