import path from 'path'
import slash from 'slash'
import { UserConfig } from 'vite'

import { resolveMainPathOnce } from '@dcloudio/uni-cli-shared'

export const buildOptions: UserConfig['build'] = {
  rollupOptions: {
    input: resolveMainPathOnce(process.env.UNI_INPUT_DIR),
    external: ['vue'],
    output: {
      name: 'AppService',
      format: process.env.UNI_APP_CODE_SPLITING ? 'amd' : 'iife',
      entryFileNames: 'app-service.js',
      manualChunks: {},
      chunkFileNames(chunk) {
        if (chunk.isDynamicEntry && chunk.facadeModuleId) {
          const filepath = path.relative(
            process.env.UNI_INPUT_DIR,
            chunk.facadeModuleId
          )
          return slash(filepath.replace(path.extname(filepath), '.js'))
        }
        return '[name].js'
      },
      assetFileNames: '[name][extname]',
      globals: {
        vue: 'Vue',
      },
    },
  },
}