redux-devtools-log-monitor-no-peers/lib/brighten.js

The default tree view monitor for Redux DevTools

'use strict';

exports.__esModule = true;

exports.default = function (hexColor, lightness) {
  var hex = String(hexColor).replace(/[^0-9a-f]/gi, '');
  if (hex.length < 6) {
    hex = hex.replace(/(.)/g, '$1$1');
  }
  var lum = lightness || 0;

  var rgb = '#';
  var c = void 0;
  for (var i = 0; i < 3; ++i) {
    c = parseInt(hex.substr(i * 2, 2), 16);
    c = Math.round(Math.min(Math.max(0, c + c * lum), 255)).toString(16);
    rgb += ('00' + c).substr(c.length);
  }
  return rgb;
};