Function isDirty

packages/reactivity/src/effect.ts:353–370

(sub: Subscriber)

}

function isDirty(sub: Subscriber): boolean {
  for (let link = sub.deps; link; link = link.nextDep) {
    if (
      link.dep.version !== link.version ||
      (link.dep.computed &&
        (refreshComputed(link.dep.computed) ||
          link.dep.version !== link.version))
    ) {
      return true
    }
  }
  // @ts-expect-error only for backwards compatibility where libs manually set
  // this flag - e.g. Pinia's testing module
  if (sub._dirty) {
    return true
  }
  return false
}

/**
 * Returning false indicates the refresh failed