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增加一个函数签名和一个泛型参数 #26

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hzgotb wants to merge 3 commits into from
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增加一个函数签名和一个泛型参数 #26

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54a655d
feat: 增加_close签名便于派生类override
hzgotb Nov 10, 2025
e1477df
refactor: 将Base类改为泛型以支持自定义选项类型
hzgotb Nov 10, 2025
45ac3f9
refactor: 将_close方法改为可选并直接调用
hzgotb Nov 10, 2025
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16 changes: 8 additions & 8 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -13,12 +13,13 @@ export interface BaseOptions<T = any> {
[key: string]: any;
}

export abstract class Base<T = any> extends ReadyEventEmitter {
options: BaseOptions<T>;
export abstract class Base<T = any, O extends BaseOptions<T> = BaseOptions<T>> extends ReadyEventEmitter {
options: O;
#closed = false;
#localStorage: AsyncLocalStorage<T>;

constructor(options?: BaseOptions<T>) {
/* just a method signature, will be implemented in subclass */
protected _close?(): Promise<void>;
constructor(options?: O) {
super();

if (options?.initMethod) {
Expand All @@ -43,7 +44,7 @@ export abstract class Base<T = any> extends ReadyEventEmitter {
});
});
}
this.options = options ?? {};
this.options = options ?? ({} as O);
this.#localStorage = this.options.localStorage ?? getAsyncLocalStorage<T>();
super.on('error', err => {
this._defaultErrorHandler(err);
Expand Down Expand Up @@ -99,13 +100,12 @@ export abstract class Base<T = any> extends ReadyEventEmitter {
return;
}
this.#closed = true;
const closeMethod = Reflect.get(this, '_close') as () => Promise<void>;
if (typeof closeMethod !== 'function') {
if (typeof this._close !== 'function') {
return;
}

try {
await closeMethod.apply(this);
await this._close();
} catch (err) {
this.emit('error', err);
}
Expand Down
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