async function addSeriesToChart()

in public/charts.js [91:129]

• 27 lines of code
• 1 McCabe index (conditional complexity)

async function addSeriesToChart(ctx, opts) {
  const resp = await fetchQueryData(opts);
  const y_axis = selectAxis(resp.field);

  const seriesColor = randomColor();
  const seriesConfig = {
    key: resp.repo,
    label: `${resp.repo} - ${resp.field}`,
    color: seriesColor,
    axis: y_axis,
  };

  // Collect graph info
  // TODO: Lock labels
  const labels = Object.keys(resp.data).sort();

  // Create a Chart.js based on the series config
  const dataSet = {
    label: seriesConfig.label,
    type: "line",
    borderColor: seriesConfig.color,
    fill: false,
    data: [],
    yAxisID: seriesConfig.axis.id,
  };

  // Accumulate the data
  dataSet.data = labels.map((label) => {
    return resp.data[label];
  });

  // TODO: Just this
  CHART_AXES.push(y_axis);
  CHART_DATA.labels = labels;
  CHART_DATA.datasets.push(dataSet);

  // Once we have all data, draw the chart
  drawChart(ctx);
}