react-pretty-numbers

A React component to display numeric data in various formats. This may include currencies, percentages and large numbers.

e.g. it can output number 25300 as 25.3k

DEMO

Overview

A minimal usage will just display the numeric value

let myNumber = 123456;
<NumericLabel>{myNumber}</NumericLabel>;

Other options can be passed in as params like so:

let params = {
  justification: 'L',
  locales : 'en-AU'
  currency: true,
  currencyIndicator: 'USD$',
  percentage: false,
  precision: 2,
  commafy: false,
  shortFormat: true,
  title: true,
  cssClass: ['class1', 'class2']
};
<NumericLabel params=params>123</NumericLabel>;

Params in more detail:

justification

• Optional parameter to justify text

Value	Description	Default
L	Left justified
R	Right justified	*
C	Centered

locales

• Optional parameter to provide locale

Default to 'en-AU'

currency

• Optional parameter to provide currency format for numbers

Value	Description
true	to include text dollar sign
	and 2 decimals eg: 'usd $0.00'
false	to have no format eg: '0.00'

currencyIndicator

• Optional parameter to provide currency indicator

if the currency: parameter is set to true and no value is supplied here, default to a dollar sign $

percentage

• Optional parameter to provide percentage format for numbers

Value	Description
true	to have 2 decimals and
	include a percentage sign
	eg: '00.00%'
false	not format eg: '0.00'

precision

• Optional parameter to provide number of decimal places

Value	Description
Integer x	to round to x decimal places
nil	no rounding

wholenumber

• Optional parameter to provide rounding for numbers (to an integer value, no decimal place)

Value	Description
ceil	to round up to the nearest whole number
floor	to round down to the nearest whole number
nil	no ceil or floor

commafy

• Optional parameter to add commas to large number for readability

Value	Description
true	Commas will be include, eg: 10,000
false	Commas will not be include, eg: 10000

shortFormat

• Optional parameter to output the numbers in short format like 2.1k instead of 2100

Value	Description
true	Short format will be applied, eg: 10k
false	Short format will not be applied, eg: 10000

shortFormatMinValue

• Optional parameter to output the numbers in short format just in case if the number higher or equal to shortFormatMinValue

Value	Description
100000	Short format will be applied if the number is higher or equal to 100000

shortFormatPrecision

• Optional parameter to provide number of decimal places for shortend numbers

Value	Description
Integer x	shortend numbers to round to x decimal places
nil	no rounding

title

• Optional parameter to show some title on mouseover

Value	Description
false	Title will not appear
true	Title will appear and show unformatted number, eg: 123456.789
string	Title will appear and show the value of this option, eg: Some string

cssClass

• Optional parameter to add one or more css classes to the surrounding div

Features

• Display numbers with precision.
• Display numbers as currency.
• Display numbers as percentage.
• Display shorten numbers (like 2k).
• Display titles on mouseover.
• Justification and Styling of numbers.
• Runs in the browser and Node.js.
• Built on standards.

Example

import React,{Component} from 'react';
import ReactDOM from 'react-dom';
import NumericLabel from 'react-pretty-numbers';
 
class App extends Component {
    constructor(props){
        super(props);
    }
 
    render() {
        var option = {
          'justification':'C',
          'locales':'en-AU',
          'currency':true,
          'currencyIndicator':'AUD',
          'percentage':false,
          'precision':2,
          'wholenumber':null,
          'commafy':true,
          'shortFormat':true,
          'shortFormatMinValue': 100000,
          'shortFormatPrecision': 1,
          'title':true,
          'cssClass':['red']
        };
        return(
            <div className='numeric-wrapper'>
              <h2>Numeric Label Component</h2>
              <NumericLabel params={option}>1243.2155</NumericLabel>
              <NumericLabel>123</NumericLabel>
            </div>
        );
    }
}
 
ReactDOM.render(<App />,document.querySelector('.container'));
 

Technology Stack:

• react
• mocha

Usage:

Clone the repo as a new project:

git clone https://github.com/pvoznyuk/react-pretty-numbers.git <numeric-label>

Start Server:

First you have to replace the lib/component/numeric_label.js to server.js in package.json
cd numeric-label
npm i
npm start

Run App:

npm start command automatically initiate browser at 3000 port
http:://localhost:3000

Run tests:

cd numeric-label
npm i
npm test

Developer Notes:

Make sure you configure your editor/IDE to use:

.editorconfig
.eslintrc