Function fetchDataForYear

src/utils/api/fetch.js:36–95

(url, year, format)

}

async function fetchDataForYear(url, year, format) {
  const data = await fetch(`https://github.com${url}`, {
    headers: {
      "x-requested-with": "XMLHttpRequest"
    }
  });
  const $ = cheerio.load(await data.text());
  const $days = $(
    "table.ContributionCalendar-grid td.ContributionCalendar-day"
  );

  const contribText = $(".js-yearly-contributions h2")
    .text()
    .trim()
    .match(/^([0-9,]+)\s/);
  let contribCount;
  if (contribText) {
    [contribCount] = contribText;
    contribCount = parseInt(contribCount.replace(/,/g, ""), 10);
  }

  return {
    year,
    total: contribCount || 0,
    range: {
      start: $($days.get(0)).attr("data-date"),
      end: $($days.get($days.length - 1)).attr("data-date")
    },
    contributions: (() => {
      const parseDay = (day, index) => {
        const $day = $(day);
        const date = $day
          .attr("data-date")
          .split("-")
          .map((d) => parseInt(d, 10));
        const color = COLOR_MAP[$day.attr("data-level")];
        const value = {
          date: $day.attr("data-date"),
          count: index === 0 ? contribCount : 0,
          color,
          intensity: $day.attr("data-level") || 0
        };
        return { date, value };
      };

      if (format !== "nested") {
        return $days.get().map((day, index) => parseDay(day, index).value);
      }

      return $days.get().reduce((o, day, index) => {
        const { date, value } = parseDay(day, index);
        const [y, m, d] = date;
        if (!o[y]) o[y] = {};
        if (!o[y][m]) o[y][m] = {};
        o[y][m][d] = value;
        return o;
      }, {});
    })()