Garmin Connect, Activity Comparison. Better splits. #bookmarklet

garmin-connect-activity-comparison-better-splits.js

// run on for example https://connect.garmin.com/modern/comparison?activityId=111&activityId2=222&activityId3=333
(function() {
  function str2time(text) {
    var t = text.trim().replace(',', '.').split(':').reverse();
    return (parseInt(t[2]) || 0) * 3600 + (parseInt(t[1]) || 0) * 60 + (parseFloat(t[0]) || 0);
  }
  function time2str(time) {
    var s = (time % 60).toFixed(0);
    return Math.floor(time / 60) +':'+ (s < 10 ? '0' + s : s)
  }
  var lapsTable = document.querySelector("table.laps.table");
  var columns = lapsTable.querySelectorAll("th");
  var races = [];
  for (var x = 0; x < columns.length; x++) {
    if (columns[x].getAttribute("title") === "t:m:s") {
      races.push({index:x, elapsed:0});
    }
  }
  var rows = lapsTable.querySelectorAll("tbody tr");
  for (var x = 0; x < rows.length; x++) {
    var columns = rows[x].querySelectorAll("td");
    var fastestSplit = 9999999;
    var fastestElapsed = 9999999;
    for (var y = 0; y < races.length; y++) {
      races[y].split = str2time(columns[races[y].index].innerText);
      races[y].elapsed += races[y].split;
      fastestSplit = races[y].split < fastestSplit ? races[y].split : fastestSplit;
      fastestElapsed = races[y].elapsed < fastestElapsed ? races[y].elapsed : fastestElapsed;
    }
    for (var y = 0; y < races.length; y++) {
      columns[races[y].index].innerHTML = (races[y].split === fastestSplit ? '<span style="color:green">' : '<span>')
        + time2str(races[y].split)
        + '</span> '
        + (races[y].elapsed === fastestElapsed ? '<span style="color:green">(' : '<span>(')
        + time2str(races[y].elapsed)
        + ')</span>';
      columns[races[y].index].setAttribute("title", "+"
        + time2str(races[y].split - fastestSplit)
        + " (+"
        + time2str(races[y].elapsed - fastestElapsed)
        + ")");
    }
  }
})();