Shadowzzh

<context>
# Overview  
[Provide a high-level overview of your product here. Explain what problem it solves, who it's for, and why it's valuable.]

# Core Features  
[List and describe the main features of your product. For each feature, include:
- What it does
- Why it's important
- How it works at a high level]

Shadowzzh

/** 扁平化创建 Promise */
export const createPromise = <T extends unknown>() => {
    let resolve: unknown = undefined
    let reject: unknown = undefined

    const promise = new Promise<T>((r, j) => ((resolve = r), (reject = j)))

    return [
        promise,
        resolve as unknown as (value: T | PromiseLike<T>) => void,