v3-simple-img-preview/src/plugin/utils.ts

vue3图片预览插件

export const stopPropagation = (event: Event) => event.stopPropagation();
export function preventDefault(event: Event, isStopPropagation?: boolean) {
  /* istanbul ignore else */
  if (typeof event.cancelable !== "boolean" || event.cancelable) {
    event.preventDefault();
  }

  if (isStopPropagation) {
    stopPropagation(event);
  }
}