Issue with label alignment in Chart.js after updating through ajax call

Utilizing chart.js allows me to showcase real-time data...

var initiateAJAX = function() {

$.ajax({
            url: url,
            success: function(){
                var currentTime = ++time
                var currentValue = Math.random()*1000;
                liveChart.data.labels.push(currentTime);
                liveChart.data.datasets[0].data.push(currentValue);

                liveChart.update();

            },
            complete: function () {
                    // Schedule the next
                    setTimeout(initiateAJAX, interval);
            }
        });
};

initiateAJAX();

...however, when updating the chart, I notice that the first point appears in the middle of the chart while its label is at the origin of the axes. How can I align the first point and its label? You can observe this issue in action by visiting this jsfiddle link: https://jsfiddle.net/uue7am8z/4/

Answer №1

Upon thorough investigation of the chart.js source code, I have determined that a bug exists in chart.js itself. Specifically, when a line chart is generated with only one label and one data point, it inaccurately places the rendering of the point.

I am actively working on a solution for this issue. In the meantime, an official bug report has been filed and can be found at (#4037)

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