Function disposeChart

examples/annotations/main.ts:260–265

()

  let ro: DisposableResizeObserver | null = null;

  const disposeChart = (): void => {
    ro?.disconnect();
    ro = null;
    chart?.dispose();
    chart = null;
  };

  const createChart = async (useWorker: boolean): Promise<void> => {
    // Prevent re-entrancy + accidental double-clicks during async init.