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Dictionary support for zstd #59105
Description
Activity
I saw this feature request is still awaiting triage, but I'd love to start looking into it as a learning opportunity even if it doesn't end up going ahead.
Reacted by Pascal Vos- added a commit that references this issue
on Aug 4, 2025 - added a commit that references this issue
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on Aug 9, 2025 - added a commit that references this issue
on Aug 12, 2025
What is the problem this feature will solve?
zstd decompression does not work for archives that initially used a compression dictionary, as there is no way to input a dictionary when calling the function in Node's zlib library. This leads to dictionary wrong errors when attempting to decompress.
What is the feature you are proposing to solve the problem?
Include the ability to use zstd's dictionary feature when calling for zstd (de)compression using the zlib library functions.
What alternatives have you considered?
Using existing community modules for zstd, but these often use much older versions of zstd.