react-query/packages/vue-query-devtools/vite.config.ts

import { defineConfig, mergeConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import { tanstackViteConfig } from '@tanstack/config/vite'

const config = defineConfig({
  plugins: [vue()],
  // fix from https://github.com/vitest-dev/vitest/issues/6992#issuecomment-2509408660
  resolve: {
    conditions: ['@tanstack/custom-condition'],
  },
  environments: {
    ssr: {
      resolve: {
        conditions: ['@tanstack/custom-condition'],
      },
    },
  },
})

export default mergeConfig(
  config,
  tanstackViteConfig({
    entry: ['src/index.ts', 'src/production.ts'],
    srcDir: 'src',
  }),
)