@huggingface/blob/src/utils/isBackend.ts

Utilities to convert URLs and files to Blobs, internally used by Hugging Face libs

const isBrowser = typeof window !== "undefined" && typeof window.document !== "undefined";

const isWebWorker =
	typeof self === "object" && self.constructor && self.constructor.name === "DedicatedWorkerGlobalScope";

export const isBackend = !isBrowser && !isWebWorker;