Function builder

packages/cli/src/commands/serve.js:21–174

(yargs)

  'Start a server for serving both the api and web sides'

export const builder = async (yargs) => {
  const rscEnabled = getConfig().experimental?.rsc?.enabled
  const streamingEnabled = getConfig().experimental?.streamingSsr?.enabled

  yargs
    .command({
      command: '$0',
      description: bothServerCLIConfig.description,
      builder: bothServerCLIConfig.builder,
      handler: async (argv) => {
        recordTelemetryAttributes({
          command: 'serve',
          port: argv.port,
          host: argv.host,
          socket: argv.socket,
        })

        // Run the server file, if it exists, with web side also
        if (serverFileExists()) {
          const { bothServerFileHandler } = await import(
            './serveBothHandler.js'
          )
          await bothServerFileHandler(argv)
        } else if (rscEnabled || streamingEnabled) {
          const { bothSsrRscServerHandler } = await import(
            './serveBothHandler.js'
          )
          await bothSsrRscServerHandler(argv, rscEnabled)
        } else {
          await bothServerCLIConfig.handler(argv)
        }
      },
    })
    .command({
      command: 'api',
      description: apiServerCLIConfig.description,
      builder: apiServerCLIConfig.builder,
      handler: async (argv) => {
        recordTelemetryAttributes({
          command: 'serve',
          port: argv.port,
          host: argv.host,
          socket: argv.socket,
          apiRootPath: argv.apiRootPath,
        })

        // Run the server file, if it exists, api side only
        if (serverFileExists()) {
          const { apiServerFileHandler } = await import('./serveApiHandler.js')
          await apiServerFileHandler(argv)
        } else {
          await apiServerCLIConfig.handler(argv)
        }
      },
    })
    .command({
      command: 'web',
      description: webServerCLIConfig.description,