interval-execute/index.js

按照一定时间间隔轮询执行某函数

/**
 * @Author: ZJoker
 * @Date: 2023-12-28 16:13:30
 * @LastEditTime: 2024-03-22 11:42:44
 * @LastEditors: ZJoker
 * @Description: 按照一定时间间隔轮询执行某函数
 * @FilePath: \IntervalExecute\index.js
 * @生活百般滋味，人生需要笑对
 */
class IntervalExecute {
  #cleared
  #paused
  #timer
  #fn
  #ms
  #loading
  constructor(fn, ms = 2000) {
    this.#cleared = false
    this.#paused = false
    this.#loading = false
    this.#timer = null
    this.#fn = fn
    this.#ms = ms
    this.#execute()
  }
  clearTimer() {
    this.#cleared = true
    this.#timer && clearTimeout(this.#timer)
    this.#timer = null
  }
  pause() {
    this.#paused = true
  }
  async restart() {
    this.clearTimer()
    this.#cleared = false
    this.#paused = false
    await this.#execute()
  }
  async #execute() {
    if (this.#cleared) return
    if (this.#paused) return
    if(this.#loading) return
    this.#loading = true
    await this.#fn()
    this.#loading = false
    this.#timer = setTimeout(async () => {
      await this.#execute()
    }, this.#ms)
  }
}
export default IntervalExecute