lyhourchhen/react-top-loading-bar

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

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

• React Movies
• WCYB

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

License

MIT © Klendi Gocci | klendi.dev