Function wrapTestFn

packages/private/testing/src/utils.ts:81–90

* Wraps provided function (which typically contains the code of a test) into a new function that * performs the necessary setup of the environment.

(
  elementGetter: () => HTMLElement,
  html: string,
  blockFn: () => Promise<unknown> | void,
)

 * performs the necessary setup of the environment.
 */
function wrapTestFn(
  elementGetter: () => HTMLElement,
  html: string,
  blockFn: () => Promise<unknown> | void,
): jasmine.ImplementationCallback {
  return () => {
    elementGetter().innerHTML = html;
    return blockFn();
  };
}

let savedDocument: Document | undefined = undefined;
let savedRequestAnimationFrame: ((callback: FrameRequestCallback) => number) | undefined =