Quickly start a smart progress in NodeJs with radbar

radbar means rad bar, rad means great|good|terrific|fantastic|Extremely, it's terminal progress indicator.

QuickStart

Just wrap any iterable with iterator(iterable), quickly show a tiny smart progress bar.

const radbar = require('radbar');
for (let _ of radbar.ProgressBar.iterator(Array(2e4)));

hello:  68.40%|█████████████░░░░░░░| 1368/2000 [00:02>00:01, 1000.07Bytes/s]

Installation

npm install radbar

API

::ProgressBar create a progress bar

const radbar = require('radbar');
let pb = new radbar.ProgressBar();

::options constructor parameter, set ProgressBar options, type: Object

const radbar = require('radbar');
let opts = {
    total: 100,         // processing total, default: 100
    unit: "MB",         // speed unit, default: "Bytes"
    desc: "Write",      // bar description, default: ""
    barlen: 25,         // bar length, default: terimal width
    visrest: true,      // print incomplete length, default: false
    endl: true,         // print end line, default: false
    comp_char: '*',     // complete char, default: '\u2588'(█)
    rest_char: ' ',     // incomplete char, default: '\u2591' (░)
    callback: ()=>{},   // callback funtion, default: undefined
}
let pb = new radbar.ProgressBar(opts);

::update it's an instant method, each processing length using update function to render, params: num(update length)

const radbar = require('radbar');
let pb = new radbar.ProgressBar({total: 4e5});
function *gen() { for (let i=0; i<4e4; ++i) yield 10; }
for (let written of gen()) { pb.update(written) }

iterator it's a class static method, quickly show a smart progress bar, params: (obj, options), returns a generator. obj is a number or an iteratable object.

const radbar = require('radbar');
for (let _ of radbar.ProgressBar.iterator(Array(2e4)));

LICENSE

Code license with MIT