export async function renderRiskChart()

in ui/changes/src/common.js [532:604]

• 66 lines of code
• 7 McCabe index (conditional complexity)

export async function renderRiskChart(chartEl, bugSummaries) {
  bugSummaries = bugSummaries.filter(
    (bugSummary) => bugSummary.risk_band !== null
  );

  if (bugSummaries.length == 0) {
    return;
  }

  let minDate = getPlainDate(
    bugSummaries.reduce((minSummary, summary) =>
      Temporal.PlainDate.compare(
        getPlainDate(summary.date),
        getPlainDate(minSummary.date)
      ) < 0
        ? summary
        : minSummary
    ).date
  );

  // Enforce up to 2 months history, earlier patches are in the model's training set.
  let twoMonthsAgo = Temporal.Now.plainDateISO().subtract({ months: 2 });
  if (Temporal.PlainDate.compare(twoMonthsAgo, minDate) > 0) {
    minDate = twoMonthsAgo;
  }

  let summaryData = await getSummaryData(
    bugSummaries,
    getOption("grouping"),
    minDate,
    (counterObj, summary) => {
      if (summary.risk_band == "l") {
        counterObj.low += 1;
      } else if (summary.risk_band == "a") {
        counterObj.medium += 1;
      } else {
        counterObj.high += 1;
      }
    }
  );

  let categories = [];
  let high = [];
  let medium = [];
  let low = [];
  for (let date in summaryData) {
    categories.push(date);
    low.push(summaryData[date].low);
    medium.push(summaryData[date].medium);
    high.push(summaryData[date].high);
  }

  renderChart(
    chartEl,
    [
      {
        name: "Higher",
        data: high,
      },
      {
        name: "Average",
        data: medium,
      },
      {
        name: "Lower",
        data: low,
      },
    ],
    categories,
    "Evolution of lower/average/higher risk changes",
    "# of patches"
  );
}