Method updatePropsForRendering

src/preact/base-element.js:539–539

* A callback called to compute props before rendering is run. The properties * computed here and ephemeral and thus should not be persisted via a * `mutateProps()` method. * @param {JsonObject} unusedProps * @protected

(unusedProps)

   * @protected
   */
  updatePropsForRendering(unusedProps) {}

  /**
   * A callback called to check whether the element is ready for rendering.