42 lines
1.2 KiB
TypeScript
42 lines
1.2 KiB
TypeScript
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import KVStore from "../storage/KVStore";
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import DeviceId from "./DeviceId";
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export class DeviceIdService {
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private static _I: DeviceIdService | null = null;
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static get I(): DeviceIdService { return this._I ?? (this._I = new DeviceIdService()); }
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private constructor(private store = new KVStore("app:")) {}
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private static KEY = "device_id";
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private _id: string | null = null;
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private _inited = false;
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/** 启动时调用：加载或生成并持久化 */
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init(): void {
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if (this._inited) return;
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const saved = this.store.get(DeviceIdService.KEY);
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if (saved) {
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this._id = saved;
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} else {
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// 如需原生ID，可先尝试原生，再用 UUID 兜底
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this._id = DeviceId.uuidv4();
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this.store.set(DeviceIdService.KEY, this._id);
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}
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this._inited = true;
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}
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/** 获取设备号（若未 init，会懒初始化一次） */
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get id(): string {
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if (!this._inited) this.init();
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// 理论上不为空，保险起见再兜底
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return this._id ?? DeviceId.uuidv4();
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}
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/** 重置（合规/调试用） */
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reset(): void {
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this.store.remove(DeviceIdService.KEY);
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this._id = null;
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this._inited = false;
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}
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}
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export default DeviceIdService;
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