Function waitTrue

waitTrue(predicate, options?): Promise<void>
Waits until the given predicate evaluates to true.
Parameters
- predicate: (() => boolean)
  The predicate that should be evaluated.
  - - (): boolean
    - Returns boolean
- Optional options: {
  timeout: number;
  }
  Optional options.
  - timeout: number
    The number of milliseconds to wait before timing out.
Returns Promise<void>
A promise that resolves when the predicate evaluates to true.
Example
```
const a = atom(0, { name: "a" });
let foo = 0;

waitTrue(() => a.value > 3).then(() => {
    foo++;
});

a.value = 2; // foo = 0
a.value = 3; // foo = 0
a.value = 4; // foo = 1
```
- Defined in src/api/api.js:252