@plq/use-persisted-state/src/@types/storage.ts

useState hook with persistence in storage

export interface StorageChange {
  oldValue?: string | null;
  newValue?: string | null;
}

export type StorageChangeListener = (changes: { [key: string]: StorageChange }) => void

export interface StorageChangeEvent {
  addListener(listener: StorageChangeListener): void;
  removeListener(listener: StorageChangeListener): void;
  hasListener(listener: StorageChangeListener): boolean;
}

export interface Storage {
  get: (keys: string | string[]) => { [key: string]: string };
  set: (items: { [key: string]: string }) => void;
  remove: (keys: string | string[]) => void;
  onChanged: StorageChangeEvent;
}

export interface AsyncStorage {
  get: (keys: string | string[]) => Promise<{ [key: string]: string }>;
  set: (items: { [key: string]: string }) => Promise<void>;
  remove: (keys: string | string[]) => Promise<void>;
  onChanged: StorageChangeEvent;
}