addLessLoader()

addLessLoader({
  localIdentName: "[local]--[hash:base64:5]",
  // can't deal with getIdentName
}); 

addLessLoader({
  ...,
  cssModules: {
    localIdentName: "[local]--[hash:base64:5]",
    ...
  }
}); 

addLessLoader({},  {
  localIdentName: "[local]--[hash:base64:5]",
  ...
});