Function resolveEasing

resolveEasing(
    easing:
        | "linear"
        | "easeInQuad"
        | "easeOutQuad"
        | "easeInOutQuad"
        | "easeInCubic"
        | "easeOutCubic"
        | "easeInOutCubic"
        | Easing
        | undefined,
): Easing
the Easing function for a name or a function, defaulting to easeInOutQuad
Parameters
- easing:
      | "linear"
      | "easeInQuad"
      | "easeOutQuad"
      | "easeInOutQuad"
      | "easeInCubic"
      | "easeOutCubic"
      | "easeInOutCubic"
      | Easing
      | undefined
Returns Easing
Example
```
import { resolveEasing } from '@datamoc/mwg/two-d/render';

console.log(resolveEasing('linear')(0.25)); // 0.25
console.log(resolveEasing((t) => t * t)(0.5)); // 0.25
```
- Defined in src/two-d/render/SceneTransition.ts:186