theme-variants.js

// Base definition
function getTheme(options) {
    return {
      "name": "custom",
      "theme": {
        "base": {
          "chart": {
            "showlegend": "1" 
          },
          "dataset": [{
              "data": [{
                    "color": options.colorProductOne
                }, {
                    "color": options.colorProductTwo
                }]
          }]
        }
    }
   }
}

// wrappers will call return value from getTheme

// A dark-mode-wrapper
return getTheme({
	colorProductOne: '#000000', 
	colorProductTwo: '#000000'
});

// A light-mode-wrapper
return getTheme({
	colorProductOne: '#ffffff', 
	colorProductTwo: '#ffffff'
});