xrpl-dev-portal/assets/js/calculator/carbon-calculator.js

let arr = {
	'btc': {
		'kWh': 487.368757765725,
		'tons': 0.41034833,
		'gas': 38.7744
	},
	'eth': {
		'kWh': 42.8633,
		'tons': 0.02734399,
		'gas': 2.38677
	},
	'pap': {
		'kWh': 0.044,
		'tons': 0.0000000000232,
		'gas': 0.00350
	},
	'xrp': {
		'kWh': 0.0079,
		'tons': 0.000000000003688,
		'gas': 0.00063
	},
	'vsa': {
		'kWh': 0.0008,
		'tons': 0.0000000000005,
		'gas': 0.00006
	},
	'mst': {
		'kWh': 0.0006,
		'tons': 0.0000000000005,
		'gas': 0.00005
	},
}

function commarize() {
  // Alter numbers larger than 1k
  if (this >= 1e6) {
    var units = ["Thousand", "Million", "Billion", "Trillion"];
    
    // Divide to get SI Unit engineering style numbers (1e3,1e6,1e9, etc)
    let unit = Math.floor(((this).toFixed(0).length - 1) / 3) * 3
    // Calculate the remainder
    var num = (this / ('1e'+unit)).toFixed(2)
    var unitname = units[Math.floor(unit / 3) - 1]
    
    // output number remainder + unitname
    return num + ' ' + unitname
  }
  
  // return formatted original number
  return this.toLocaleString()
}

// Add method to prototype. this allows you to use this function on numbers and strings directly
Number.prototype.commarize = commarize
String.prototype.commarize = commarize

let slider = document.getElementById( 'myRange' ),
	txns = document.querySelectorAll( '.slider-amt' ),
	dataTypes = document.querySelectorAll( '.d-output' ),
	dataViz = document.querySelectorAll( '.viz-output' );


// Update the current slider value (each time you drag the slider handle)

function doCalculations( val ){

	[].slice.call( dataTypes ).forEach( function( dataType ){

		if ( dataType.classList.contains( 'active' ) ){

			let data_type = dataType.getAttribute( 'data-type' ),
				data_comp = dataType.getAttribute( 'data-comp' ),
				total =  val * 1000000 * arr[ data_type ][ data_comp ],
				num = document.getElementById( data_comp + '-' + data_type ),
				// comp = the number of kWh Portugal used in 2019
				kwhComp = ( total / 50340000000 ).toFixed( 2 );

			if ( data_comp === 'tons' ) {
				total = total * 1000000;
			}

			num.innerHTML = total.commarize();
			num.style.transition = "all .2s ease-in-out";

			if ( data_comp === 'kWh' && kwhComp > .02 ){
				let dot = document.getElementById( data_comp + '-' + data_type + '-dot' );
				dot.style.transition = "all .2s ease-in-out";
				dot.style.transform = "scale(" + kwhComp * 100 + ")";
				dot.style.webkitTransform = "scale(" + kwhComp * 100 + ")";
    		dot.style.msTransform = "scale(" + kwhComp * 100 + ")";
			}
			
		}
	})
}


function cryptoSelected(){
	gasCryptoAnimation( );
	co2CryptoAnimation();
}

function cashSelected(){
	gasCashAnimation();
	co2CashAnimation();
}

function creditSelected(){
	gasCreditAnimation();
	co2CreditAnimation();
}

function changeDataType( type ){
	

	[].slice.call( dataTypes ).forEach( function( dataType ){
		if ( dataType.classList.contains( type ) ){
			let dType = type.substring(2);
			dataType.classList.add( 'active' );
			document.getElementById('gasAnimation').innerHTML = '';
			document.getElementById('co2Animation').innerHTML = '';
			
			if ( dType === 'cash' ){
				cashSelected();
			} else if ( dType === 'credit' ){
				creditSelected()
			} else {
				cryptoSelected();
			}
		} else {
			dataType.classList.remove( 'active' );
		}
	});

	doCalculations( slider.value );

}

$('.tab-link').on('click', function(e){
	$( '#data-selector li' ).removeClass( 'active' );
	$( this ).parent( 'li' ).addClass( 'active' );
	
	let type = $( this ).attr( 'href' ).slice(1);

	changeDataType( type );
})

$( document ).ready( function(){
 	[].slice.call( txns ).forEach( function( txn ){
		txn.innerHTML = slider.value;
	})

	slider.oninput = function() {
		var val = this.value;	
		[].slice.call( txns ).forEach( function( txn ){
			txn.innerHTML = val;
		})
		doCalculations( val );
	}

	doCalculations( slider.value );
	cryptoSelected();
});