updateElements()

in Hands-on lab/lab-files/starter-project/NorthwindMVC/wwwroot/lib/Chart.js/chart.js [7600:7631]

• 32 lines of code
• 16 McCabe index (conditional complexity)

  updateElements(bars, start, count, mode) {
    const me = this;
    const reset = mode === 'reset';
    const {index, _cachedMeta: {vScale}} = me;
    const base = vScale.getBasePixel();
    const horizontal = vScale.isHorizontal();
    const ruler = me._getRuler();
    const firstOpts = me.resolveDataElementOptions(start, mode);
    const sharedOptions = me.getSharedOptions(firstOpts);
    const includeOptions = me.includeOptions(mode, sharedOptions);
    me.updateSharedOptions(sharedOptions, mode, firstOpts);
    for (let i = start; i < start + count; i++) {
      const parsed = me.getParsed(i);
      const vpixels = reset || isNullOrUndef(parsed[vScale.axis]) ? {base, head: base} : me._calculateBarValuePixels(i);
      const ipixels = me._calculateBarIndexPixels(i, ruler);
      const stack = (parsed._stacks || {})[vScale.axis];
      const properties = {
        horizontal,
        base: vpixels.base,
        enableBorderRadius: !stack || isFloatBar(parsed._custom) || (index === stack._top || index === stack._bottom),
        x: horizontal ? vpixels.head : ipixels.center,
        y: horizontal ? ipixels.center : vpixels.head,
        height: horizontal ? ipixels.size : Math.abs(vpixels.size),
        width: horizontal ? Math.abs(vpixels.size) : ipixels.size
      };
      if (includeOptions) {
        properties.options = sharedOptions || me.resolveDataElementOptions(i, bars[i].active ? 'active' : mode);
      }
      setBorderSkipped(properties, properties.options || bars[i].options, stack, index);
      me.updateElement(bars[i], i, properties, mode);
    }
  }