Function spawn

packages/core/src/cross-spawn-spawner.ts:267–290

(command: ChildProcess.StandardCommand, opts: NodeChildProcess.SpawnOptions)

  }

  const spawn = (command: ChildProcess.StandardCommand, opts: NodeChildProcess.SpawnOptions) =>
    Effect.callback<readonly [NodeChildProcess.ChildProcess, ExitSignal], PlatformError.PlatformError>((resume) => {
      const signal = Deferred.makeUnsafe<readonly [code: number | null, signal: NodeJS.Signals | null]>()
      const proc = launch(command.command, command.args, opts)
      let end = false
      let exit: readonly [code: number | null, signal: NodeJS.Signals | null] | undefined
      proc.on("error", (err) => {
        resume(Effect.fail(toPlatformError("spawn", err, command)))
      })
      proc.on("exit", (...args) => {
        exit = args
      })
      proc.on("close", (...args) => {
        if (end) return
        end = true
        Deferred.doneUnsafe(signal, Exit.succeed(exit ?? args))
      })
      proc.on("spawn", () => {
        resume(Effect.succeed([proc, signal]))
      })
      return Effect.sync(() => {
        proc.kill("SIGTERM")
      })
    })

  const killGroup = (
    command: ChildProcess.StandardCommand,