Uiua config for Helix

languages.toml

# To be put in ~/.config/helix/languages.toml
# Requires running `hx --grammar fetch` followed by `hx --grammar build`
# which can take some time.

[[grammar]]
name = "uiua"

[grammar.source]
git = "https://github.com/shnarazk/tree-sitter-uiua"
rev = "868b3d672d5622add493437eb7f2ee6956f14ccf"

[[language]]
auto-format = true
comment-tokens = "#"
file-types = ["ua"]
injection-regex = "uiua"
language-servers = ["uiua"]
name = "uiua"
scope = "source.uiua"
shebangs = ["uiua"]

[language.formatter]
args = ["fmt", "--io"]
command = "uiua"

[language.indent]
tab-width = 4
unit = "    "

[language-server.uiua]
args = ["lsp"]
command = "uiua"

That's likely going to depend on how you've installed the compiler and whether it's in the PATH. I'd start by checking that.