Create array of data and then refresh chart about chartjs-plugin-streaming HOT 3 CLOSED

var timestamps = []; // timestamp array
var data = []; // two dimensional array (data[row][column])
var cursor = 0; // next refreshing row

// receive data from a client
function inputMessage(unix_timestamp, values) {
  timestamps.push(unix_timestamp);
  data.push(values);
}

// refresh function to be set to options.plugins.streaming.onRefresh option 
function refresh(chart) {
  length = data.length;
  Array.prototype.push.apply(
    chart.data.labels, timestamps.slice(cursor, length)
  );
  for (var i = cursor; i < length; i++) {
    for (var j = 0; j < data[i].length; j++) {
      chart.data.datasets[j].data.push(data[i][j]);
    }
  }
  cursor = length;
}