@jyeontu/progress-bar/progressBar.js

node控制台进度条输出工具

const singleRowLog = require('single-line-log').stdout;
const chalk = require("chalk");
class progressBar{
    constructor(config = {}){
        this.initConfig(config);
    }
    initConfig(config){
        const defaultConfig = {
            duration: 100,
            current: 0,
            block:'█',
            showNumber:true,
            tip:{
                0: '努力加载中……',
                50:'加载一半啦，不要着急……',
                75:'马上就加载完了……',
                100:'加载完成'
            },
            color:'blue'
        };
        Object.assign(defaultConfig,config);
        this.config = defaultConfig;
    }
    run(current){
        const {block, duration, tip, color,showNumber} = this.config;
        let tipList = Object.keys(tip).sort((a,b)=> b-a);
        let showTip = tip[0];
        const step = duration / 100;
        const len = Math.ceil(current / step);
        for(let i = 0; i < tipList.length; i++){
            if(len >= tipList[i]) {
                showTip = tip[tipList[i]];
                break;
            }
        }
        singleRowLog(chalk[color](block.repeat(Math.floor(len / 2)),(showNumber ? (len + '% ') : '') + showTip));
        if(len == 100) console.log('');
    }
}

module.exports = progressBar;