atbuild

The file uses which is a Browser API so it is likely that the project uses a bundler or a dependency that polyfills and makes it available on Node.js. However, there is no dependency on this listed, or a comment justifying this usage, meaning it could be an error. If this is not the case, then the check should be removed altogether for optimal performance. Body: The file checks for the existence of before requiring different modules. Because the check assumes that the code will always run in either a Node.js or browser environment it should be verified that is polyfilled in Node.js environments, or remove the if statement altogether and add two separate files.

is used in , but isn't declared as a dependency in . This will lead to runtime errors if a user doesn't have this library installed.