/react-top-loading-bar

A very simple, highly customisable youtube-like react loader component.

Primary LanguageTypeScriptMIT LicenseMIT

react-top-loading-bar

NPM JavaScript Style Guide npm download

react-top-loading-bar

Install

  • using npm
npm install --save react-top-loading-bar
  • using yarn
yarn add react-top-loading-bar
  • CDN
https://unpkg.com/react-top-loading-bar

Usage

With ref

import React, { useRef } from 'react'
import LoadingBar from 'react-top-loading-bar'

const App = () => {
  const ref = useRef(null)

  return (
    <div>
      <LoadingBar color='#f11946' ref={ref} />
      <button onClick={() => ref.current.continuousStart()}>
        Start Continuous Loading Bar
      </button>
      <button onClick={() => ref.current.staticStart()}>
        Start Static Loading Bar
      </button>
      <button onClick={() => ref.current.complete()}>Complete</button>
      <br />
    </div>
  )
}

export default App

With state

import React, { useState } from 'react'
import LoadingBar from 'react-top-loading-bar'

const App = () => {
  const [progress, setProgress] = useState(0)

  return (
    <div>
      <LoadingBar
        color='#f11946'
        progress={progress}
        onLoaderFinished={() => setProgress(0)}
      />
      <button onClick={() => setProgress(progress + 10)}>Add 10%</button>
      <button onClick={() => setProgress(progress + 20)}>Add 20%</button>
      <button onClick={() => setProgress(100)}>Complete</button>
      <br />
    </div>
  )
}

export default App

Demo

Click here for demo

Built-in Methods

Methods Parameters Descriptions
add(value) Number Adds a value to the loading indicator.
decrease(value) Number Decreases a value to the loading indicator.
continuousStart(startingValue, refreshRate) Number (optional), Number(optional) Starts the loading indicator with a random starting value between 20-30, then repetitively after an refreshRate, increases it by a random value between 2-10. This continues until it reaches 90% of the indicator's width.
staticStart(startingValue) Number (optional) Starts the loading indicator with a random starting value between 30-50.
complete() Makes the loading indicator reach 100% of his width and then fade.

Properties

Property Type Default Description
progress Number 0 The progress/width indicator, progress prop varies from 0 to 100.
color String red The color of the loading bar, color take values like css property background: do, for example red, #000 rgb(255,0,0) etc.
shadow Boolean true Enables / Disables shadow underneath the loader.
height Number 2 The height of the loading bar in pixels.
background String 3 The loader parent background color.
transitionTime Number 300 Fade transition time in miliseconds.
loaderSpeed Number 500 Loader transition speed in miliseconds.
waitingTime Number 1000 The delay we wait when bar reaches 100% before we proceed fading the loader out.
className String You can provide a class you'd like to add to the loading bar to add some styles to it
onLoaderFinished Function This is called when the loading bar completes, reaches 100% of his width.

Projects using react-top-loading-bar

Add your own project. Make a PR

Migrate from V.1

  • Replace onRef prop with 'ref', assign it to a react ref. Access methods with reactRef.current.xxx

Code Style

js-standard-style

License

MIT © Klendi Gocci | klendi.dev