vite.config.ts

/// <reference types="vitest" />
import { defineConfig } from 'vitest/config'
import terser from '@rollup/plugin-terser'
import { webdriverio } from '@vitest/browser-webdriverio'

// https://vitejs.dev/config/
export default defineConfig({
  build: {
    minify: 'terser',
    rollupOptions: {
      output: {
        plugins: [
          terser({
            compress: true,
            mangle: false,
            format: { comments: false }
          })
        ]
      }
    },
    lib: {
      name: 'PdfjsViewerElement',
      fileName: 'pdfjs-viewer-element',
      entry: 'src/pdfjs-viewer-element.ts',
      formats: ['es']
    },
    copyPublicDir: false
  },
  test: {
    browser: {
      provider: webdriverio(),
      enabled: true,
      // at least one instance is required
      instances: [
        { browser: 'firefox' }
      ]
    }
  },
  optimizeDeps: {
    // Prevent resolve external deps of the prebuild from v.4.0.189 
    exclude: ['canvas', 'path2d-polyfill', 'path2d']
  }
})