promise 串联多个异步请求

/*
 * when you set a variable | function | logic | declaration,please add  a  annotation as possible,God Bless You 
 *
 * @Author: guoyongkun ‍
 * @Date: 2024-01-06 10:14:04
 * @LastEditors: guoyongkun 
 * @LastEditTime: 2024-01-06 12:21:59
 * @FilePath: /typescript2024/reducePromise.ts
 * @Description: please  set some  description for this file , let's improve the  code maintainability  ...
 */

let p1 = (p1: string): Promise => {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('p1');
    }, 1000);
  });
};
let p2 = (p2: string): Promise => {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('p2');
    }, 1000);
  });
};
let p3 = (p3): Promise => {
  return new Promise((resolve, reject) => {
    resolve('p3');
  });
};
/** 串联异步请求  自定义设置请求的顺序 */
useMutiRequests([p1, p2, p3]);
/**
 * @description:
 * @param {array} reqestArr
 * @return {*}
 */
function useMutiRequests(reqestArr: Array<(...args) => Promise>): void {
  reqestArr.reduce((pre: Promise, cur) => {
    return pre.then((res) => {
      return cur(res);
    });
  }, Promise.resolve('init promise'));
}


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