Method onClose

packages/opencode/src/cli/cmd/run/footer.ts:378–388

(fn: () => void)

  }

  public onClose(fn: () => void): () => void {
    if (this.isClosed) {
      fn()
      return () => {}
    }

    this.closes.add(fn)
    return () => {
      this.closes.delete(fn)
    }
  }

  public event(next: FooterEvent): void {
    if (next.type === "turn.duration") {