Checklist

• I'm requesting a feature unrelated to a specific site
• I've looked through the README
• I've verified that I have updated yt-dlp to nightly or master (update instructions)
• I've searched the bugtracker for similar requests including closed ones. DO NOT post duplicates
• I've read the policy against AI/LLM contributions and understand I may be blocked from the repository if it is violated

Provide a description that is worded well enough to be understood

Deno's default cache directory is %LocalAppData%\Deno in Windows. Can be changed to a different directory using two environment variables:

XDG_CACHE_HOME - Cache files are created in a deno folder within the specified directory.
Usage: set XDG_CACHE_HOME=D:\DenoCache - Result: D:\DenoCache\deno

DENO_DIR - Cache files are created directly in the specified folder.
Usage: set DENO_DIR=D:\DenoCache- Result: Files, "D:\DenoCache\node_analysis_cache_v2*", "D:\DenoCache\dep_analysis_cache_v2*" and empty a folder: npm

For now, yt-dlp runs deno as follows:

deno run --ext=js --no-code-cache --no-prompt --no-remote --no-lock --node-modules-dir=none --no-config --no-npm --cached-only -

I discovered a way to avoid creating the Deno cache directory.

set DENO_DIR=nul

Of course, this method can be cause problems in different situations. Need to test. If the results are positive, may consider adding it to --no-cache-dir (or add new option --no-cache-dir-extjs like).

Provide verbose output that clearly demonstrates the problem

• Run your yt-dlp command with -vU flag added (yt-dlp -vU <your command line>)
• If using API, add 'verbose': True to YoutubeDL params instead
• Copy the WHOLE output (starting with [debug] Command-line config) and insert it below

Complete Verbose Output