Error in RectAreaLightUniformsLib.init();


i trying to use RectAreaLight
i include the RectAreaLightUniformsLib.js , RectAreaLightHelper.js
but when i call the RectAreaLightUniformsLib.init();
i got the error RectAreaLightUniformsLib is not defined
why is that ?
any help will be appreciated

You are probably not including RectAreaLightUniformsLib correctly. Please share are working example or a GitHub repository that shows what you are doing.