handleTickRangeOptions()

in Hands-on lab/lab-files/starter-project/NorthwindMVC/wwwroot/lib/Chart.js/chart.js [11969:11997]

• 29 lines of code
• 12 McCabe index (conditional complexity)

  handleTickRangeOptions() {
    const me = this;
    const {beginAtZero} = me.options;
    const {minDefined, maxDefined} = me.getUserBounds();
    let {min, max} = me;
    const setMin = v => (min = minDefined ? min : v);
    const setMax = v => (max = maxDefined ? max : v);
    if (beginAtZero) {
      const minSign = sign(min);
      const maxSign = sign(max);
      if (minSign < 0 && maxSign < 0) {
        setMax(0);
      } else if (minSign > 0 && maxSign > 0) {
        setMin(0);
      }
    }
    if (min === max) {
      let offset = 1;
      if (max >= Number.MAX_SAFE_INTEGER || min <= Number.MIN_SAFE_INTEGER) {
        offset = Math.abs(max * 0.05);
      }
      setMax(max + offset);
      if (!beginAtZero) {
        setMin(min - offset);
      }
    }
    me.min = min;
    me.max = max;
  }