Function onScopeDispose

packages/reactivity/src/effectScope.ts:223–232

(fn: () => void, failSilently = false)

 * @see {@link https://vuejs.org/api/reactivity-advanced.html#onscopedispose}
 */
export function onScopeDispose(fn: () => void, failSilently = false): void {
  if (activeEffectScope) {
    activeEffectScope.cleanups.push(fn)
  } else if (__DEV__ && !failSilently) {
    warn(
      `onScopeDispose() is called when there is no active effect scope` +
        ` to be associated with.`,
    )
  }
}