Method getPromiseCallback

packages/orm/src/client/client-impl.ts:271–276

(promise: ZenStackPromise<any>)

    }

    private getPromiseCallback(promise: ZenStackPromise<any>) {
        invariant((promise as any).cb, 'Invalid ZenStackPromise, missing cb property');
        const cb = (promise as any).cb;
        invariant(typeof cb === 'function', 'Invalid ZenStackPromise, cb property is not a function');
        return (promise as any).cb;
    }

    private async sequentialTransaction(
        arg: ZenStackPromise<any>[],