@netdata/charts/dist/es6/chartLibraries/dygraph/plotters/helpers.js

Netdata frontend SDK and chart utilities

var parseColor = function parseColor(colorStr) {
  // Handle rgb(r,g,b) format
  var rgbMatch = colorStr.match(/rgb\((\d+),\s*(\d+),\s*(\d+)\)/);
  if (rgbMatch) {
    return {
      r: parseInt(rgbMatch[1], 10),
      g: parseInt(rgbMatch[2], 10),
      b: parseInt(rgbMatch[3], 10)
    };
  }

  // Handle hex format #RRGGBB or #RGB
  var hexMatch = colorStr.match(/^#([0-9A-Fa-f]{3}|[0-9A-Fa-f]{6})$/);
  if (hexMatch) {
    var hex = hexMatch[1];
    if (hex.length === 3) {
      // Convert #RGB to #RRGGBB
      hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2];
    }
    return {
      r: parseInt(hex.substr(0, 2), 16),
      g: parseInt(hex.substr(2, 2), 16),
      b: parseInt(hex.substr(4, 2), 16)
    };
  }

  // Default to black if parsing fails
  return {
    r: 0,
    g: 0,
    b: 0
  };
};
export var darkenColor = function darkenColor(colorStr) {
  var color = parseColor(colorStr);
  color.r = Math.floor((255 + color.r) / 2);
  color.g = Math.floor((255 + color.g) / 2);
  color.b = Math.floor((255 + color.b) / 2);
  return "rgb(" + color.r + "," + color.g + "," + color.b + ")";
};