vite.config.ts

/// <reference types="vitest" />
import { extname, relative, resolve } from 'path';
import { fileURLToPath } from 'node:url';
import { glob } from 'glob';

import { defineConfig } from 'vite';
import dts from 'vite-plugin-dts';
import react from '@vitejs/plugin-react-swc';
import { libInjectCss } from 'vite-plugin-lib-inject-css';
import viteTsConfigPaths from 'vite-tsconfig-paths';

export default defineConfig({
  cacheDir: 'node_modules/.vite/core-components',

  plugins: [
    react(),
    dts(),
    libInjectCss(),
    viteTsConfigPaths({
      root: './',
    }),
  ],

  build: {
    sourcemap: true,
    reportCompressedSize: true,
    lib: {
      entry: resolve(__dirname, 'src/index.ts'),
      formats: ['es'],
    },
    rollupOptions: {
      treeshake: true,
      external: [
        'react',
        'react-dom',
        'react-router-dom',
        'react-router',
        'react/jsx-runtime',
      ],
      input: Object.fromEntries(
        // https://rollupjs.org/configuration-options/#input
        glob
          .sync(resolve(__dirname, 'src/**/!(*.test).{ts,tsx,js,jsx}'), {
            ignore: resolve(__dirname, 'src/**/*.stories.tsx'),
          })
          .map((file) => [
            // This removes `...src/` as well as the file extension from each
            // file, so e.g. ...src/nested/foo.js becomes nested/foo
            relative(
              resolve(__dirname, 'src'),
              file.slice(0, file.length - extname(file).length)
            ),
            // This expands the relative paths to absolute paths, so e.g.
            // ...src/nested/foo becomes /project/src/nested/foo.js
            fileURLToPath(new URL(file, import.meta.url)),
          ])
      ),
      output: {
        globals: {
          react: 'React',
          'react-dom': 'ReactDOM',
          'react-router-dom': 'ReactRouterDOM',
        },
        assetFileNames: 'assets/[name][extname]',
        entryFileNames: '[name].js',
      },
    },
  },

  test: {
    reporters: ['default'],
    coverage: {
      reportsDirectory: 'coverage',
      provider: 'v8',
    },
    globals: true,
    cache: {
      dir: 'node_modules/.vitest',
    },
    environment: 'jsdom',
    include: ['src/**/*.{test,spec}.{js,mjs,cjs,ts,mts,cts,jsx,tsx}'],
  },
});