vite.config.ts

// Copyright 2023 @paritytech/polkadot-staking-dashboard authors & contributors
// SPDX-License-Identifier: GPL-3.0-only

import react from '@vitejs/plugin-react-swc';
import { defineConfig } from 'vitest/config';
import checker from 'vite-plugin-checker';
import eslint from 'vite-plugin-eslint';
import svgr from 'vite-plugin-svgr';
import tsconfigPaths from 'vite-tsconfig-paths';

// https://vitejs.dev/config/
//
// NOTES:
// - `base` is configured in `package.json` with the vite --base flag. In local dev it is `/`,
//   whereas gh-pages always deploys to `/polkadot-staking-dashboard/`. Producution builds can also
//   be configureed with the `--base` flag.
// - `BASE_URL`env variable is used in the codebase to refer to the supplied base.
export default defineConfig((env) => ({
  plugins: [
    react(),
    svgr(),
    tsconfigPaths(),
    checker({
      typescript: true,
    }),
  ],
  test: {
    environment: 'jsdom',
    setupFiles: ['tests/setup.ts'],
  },
  build: {
    outDir: 'build',
    rollupOptions: {
      output: {
        manualChunks: {
          '@substrate/connect': ['@substrate/connect'],
        },
      },
    },
  },
  server: {
    fs: {
      strict: true,
    },
  },
  optimizeDeps: {
    include: ['react/jsx-runtime'],
  },
}));