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bagpipe-lib

v1.0.0

Published

充分使用异步任务处理方式,来加快任务的执行速度,并且避免由于任务数量过多导致的报错

Readme

简介

充分使用异步任务处理方式,来加快任务的执行速度,并且避免由于任务数量过多导致的报错

可以通过设置以下参数进行调整:

  • timeout 异步任务超时时间
  • ratio 异步任务队列长度,避免加入过多的异步任务
  • activeJobLimit 并行执行的异步任务数量

可以通过监听 full 事件,可以获得满载通知,可以根据情况修改 activeJobLimit 数量

待优化内容

  • ts 重构
  • 支持一次性返回所有异步结果
  • 支持 promise 使用

安装

npm i bagpipe --save

使用

const Bagpipe = require('./lib');

const asyncFn = function (ms, callback) {
  setTimeout(function () {
    callback(null, {});
  }, ms * 1000);
};

const bagpipe = new Bagpipe(3);

bagpipe.on('full', length => {
  console.log('full', length);
});

for (let i = 0; i < 5; i++) {
  bagpipe.push(asyncFn, 2, function () {
    console.log('success');
  });
}