Function onClose

packages/opencode/test/cli/run/runtime.queue.test.ts:29–39

(fn)

      }
    },
    onClose(fn) {
      if (closed) {
        fn()
        return () => {}
      }

      closes.add(fn)
      return () => {
        closes.delete(fn)
      }
    },
    event(next) {
      events.push(next)
    },