How to make chart.js growth in Laravel 5.8?

I am on PHP 7.2 Laravel 5.8 and I'm using Chart.js

As we all know Laravel is purely MVC. I call my API in the controller, and then pass it on the view and plot the chart.

My Chart does not seem to animate growth.

What do I mean by that animate growth ?

See this sample here : https://www.chartjs.org/samples/latest/charts/area/line-stacked.html

Code

var $data = {!! json_encode($bandWidthByHour) !!};
var down_bytes = [];
var up_bytes   = [];

for (var i = 0; i < $data.data.length; i++) {
    down_bytes[i] = $data.data[i].down_bytes/1000000;
    up_bytes[i]   = $data.data[i].up_bytes/1000000;
}

// console.log(down_bytes);
// console.log(up_bytes);

config = {

    type: 'line',
    data: {
        labels: ['12:01 AM','1 AM', '2 AM', '3 AM', '4 AM', '5 AM', '6 AM','7 AM','8 AM','9 AM','10 AM','11 AM',
        '12 PM','1 PM','2 PM','3 PM','4 PM','5 PM','6 PM','7 PM', '8 PM', '9 PM', '10 PM', '11 PM', '11:59 PM'],
        datasets: [{
            label: 'Uplink',
            backgroundColor: 'rgba(171, 194, 54, 0.3)',
            borderColor: utils.color(4),
            data: up_bytes,
            fill: true,
        }, {
            label: 'Downlink',
            backgroundColor: 'rgba(246, 112, 24, 0.3)',
            borderColor: utils.color(1),
            data: down_bytes,
            fill: true,
        }]
    },
    options: {
        responsive: true,
        title: {
            display: true,
            text: 'Network Bandwidth',
            fontColor: "white",
            fontSize: 20,
        },
        legend: {
            display: true,
            position: 'bottom',
            labels: {
                fontColor: "white",
                fontSize: 12
            }
        },
        scales: {
            xAxes: [{
                display: true,
                scaleLabel: {
                    display: true,
                    labelString: 'Hour',
                    fontColor: "white",
                    fontSize: 12
                },
                ticks: {
                    fontColor: "white",
                    fontSize: 12,
                    beginAtZero: true
                },
                gridLines: {
                    display: true,
                    color: "#444650",
                }
            }],
            yAxes: [{
                display: true,
                scaleLabel: {
                    display: true,
                    labelString: 'Mbps',
                    fontColor: "white",
                    fontSize: 12
                },
                ticks: {
                    fontColor: "white",
                    fontSize: 12,
                    beginAtZero: true
                },
                gridLines: {
                    display: true,
                    color: "#444650",
                }
            }]
        }
    }
};


//console.log(generateData());

new Chart(document.getElementById('bwChart'), config);

Am I doing anything wrong ?

I hope someone can shed some lights 💡 on this.

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