fengari mocks lua 5.3 (table.unpack), while redis uses lua 5.1 (unpack): resulting in attempt to call a nil value (global 'unpack')

[TysonAndre]

https://www.lua.org/pil/5.1.html has a pure lua polyfill for unpack that can be used.

This can be declared alongside other functions declared in luaExecString in defineRedisObject in src/commands/defineCommand.js or unpack = table.unpack

https://stackoverflow.com/questions/43192285/lua-5-3-unpacking
https://www.lua.org/manual/5.2/manual.html#8

The root cause seems to be that fengari targets lua 5.3 (fengari issue 176), and redis server is stuck on 5.1 for client backwards compatibility reasons (redis 7382))

unpack is useful for variadic calls, e.g. to redis.call

[github-actions]

🎉 This issue has been resolved in version 8.2.4 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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