vitest.edge.config.ts

// Run tests in the Vercel Edge Runtime, and using its resolution algorithm that
// chooses worker exports if they exist, if not it tries to look for browser exports.

import {defineConfig, mergeConfig} from 'vitest/config'

import pkg from './package.json'
import viteConfig from './vite.config'

export default mergeConfig(
  viteConfig,
  defineConfig({
    test: {
      environment: 'edge-runtime',
      alias: {
        '@sanity/client/csm': new URL(pkg.exports['./csm'].source, import.meta.url).pathname,
        '@sanity/client/stega': new URL(pkg.exports['./stega'].browser.source, import.meta.url)
          .pathname,
        '@sanity/client': new URL(pkg.exports['.'].browser.source, import.meta.url).pathname,
      },
      typecheck: {
        enabled: false,
      },
    },
    resolve: {
      // https://github.com/vercel/next.js/blob/95322649ffb2ad0d6423481faed188dd7b1f7ff2/packages/next/src/build/webpack-config.ts#L1079-L1084
      conditions: ['edge-light', 'worker', 'browser', 'module', 'import', 'node'],
    },
  }),
)