Function createZenStackPromise

packages/orm/src/client/promise.ts:14–40

(
    callback: (txClient?: ClientContract<any>) => Promise<unknown>,
)

 * @see https://github.com/prisma/prisma/blob/main/packages/client/src/runtime/core/request/createPrismaPromise.ts
 */
export function createZenStackPromise(
    callback: (txClient?: ClientContract<any>) => Promise<unknown>,
): ZenStackPromise<unknown> {
    let promise: Promise<unknown> | undefined;
    const cb = (txClient?: ClientContract<any>) => {
        try {
            return (promise ??= valueToPromise(callback(txClient)));
        } catch (err) {
            // deal with synchronous errors
            return Promise.reject<unknown>(err);
        }
    };

    return {
        then(onFulfilled, onRejected) {
            return cb().then(onFulfilled, onRejected);
        },
        catch(onRejected) {
            return cb().catch(onRejected);
        },
        finally(onFinally) {
            return cb().finally(onFinally);
        },
        cb,
        [Symbol.toStringTag]: 'ZenStackPromise',
    } as ZenStackPromise<unknown>;
}

function valueToPromise(thing: any): Promise<any> {
    if (typeof thing === 'object' && typeof thing?.then === 'function') {