antd-theme-generator/node_modules/less/test/less-bom/namespacing/namespacing-operations.less

This a script to generate color specific styles less file and which you can use to change theme dynamically in browser

#ns {
  .options() {
    val1: 10px;
  }
}

@ns: {
  @options: {
    val2: 20px;
  }
}

.foo {
  val: #ns.options[val1] + @ns[@options][val2] + 5px;
}