Function withProgressBar

withProgressBar<T>(
fn: (update: (progress: number, label?: string) => void) => Promise<T>,
opts?: ProgressBarOptions,
): Promise<T>
Animates a progress bar for async work. Calls your fn with an update callback. Handles drawing, cleanup, and percent for you.
Type Parameters
- T
Parameters
- fn: (update: (progress: number, label?: string) => void) => Promise<T>
  Function which receives update(progress, label?)
- opts: ProgressBarOptions = {}
  ProgressBar display options
Returns Promise<T>
Example
```
await withProgressBar(async update => {
    for (let i = 0; i <= 100; i++) {
      await sleep(25);
      update(i / 100, `Step ${i}`);
    }
  }, { color: 'green' });
```
- Defined in animation/progress-animate.ts:20