verdnatura-chat/app/lib/encryption/helpers/deferred.ts

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export default class Deferred {
[Symbol.toStringTag]: 'Promise';
private promise: Promise<unknown>;
private _resolve: (value?: unknown) => void;
private _reject: (reason?: any) => void;
constructor() {
this._resolve = () => {};
this._reject = () => {};
this.promise = new Promise((resolve, reject) => {
this._resolve = resolve as (value?: unknown) => void;
this._reject = reject;
});
}
public then<TResult1, TResult2>(
onfulfilled?: ((value: unknown) => TResult1 | PromiseLike<TResult1>) | undefined | null,
onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | undefined | null
): Promise<TResult1 | TResult2> {
return this.promise.then(onfulfilled, onrejected);
}
public catch<TResult>(
onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | undefined | null
): Promise<unknown | TResult> {
return this.promise.catch(onrejected);
}
public finally(onfinally?: (() => void) | null | undefined): Promise<unknown> {
return this.promise.finally(onfinally);
}
public resolve(value?: unknown): void {
this._resolve(value);
}
public reject(reason?: any): void {
this._reject(reason);
}
}