treefmt.toml

# One CLI to format the code tree - https://github.com/numtide/treefmt

[formatter.python]
command = "black"
includes = ["*.py"]

[formatter.elm]
command = "elm-format"
options = ["--yes"]
includes = ["*.elm"]

[formatter.go]
command = "gofmt"
options = ["-w"]
includes = ["*.go"]

[formatter.haskell]
command = "ormolu"
options = [
    "--ghc-opt", "-XBangPatterns",
    "--ghc-opt", "-XPatternSynonyms",
    "--ghc-opt", "-XTypeApplications",
    "--mode", "inplace",
    "--check-idempotence",
]
includes = ["*.hs"]
excludes = ["examples/haskell/"]

[formatter.nix]
command = "nixpkgs-fmt"
includes = ["*.nix"]
# Act as an example on how to exclude specific files
excludes = ["examples/nix/sources.nix"]

[formatter.ruby]
command = "rufo"
options = ["-x"]
includes = ["*.rb"]

[formatter.prettier]
command = "prettier"
options = ["--write"]
includes = [
    "*.css",
    "*.html",
    "*.js",
    "*.json",
    "*.jsx",
    "*.md",
    "*.mdx",
    "*.scss",
    "*.ts",
    "*.yaml",
]
excludes = ["CHANGELOG.md"]

[formatter.rust]
command = "rustfmt"
options = ["--edition", "2018"]
includes = ["*.rs"]

[formatter.shell]
command = "/bin/sh"
options = [
    "-euc",
    """
# First lint all the scripts
shellcheck "$@"

# Then format them
shfmt -i 2 -s -w "$@"
    """,
    "--", # bash swallows the second argument when using -c
]
includes = ["*.sh"]

[formatter.terraform]
# Careful, only terraform 1.3.0 or later accept a list of files.
# see https://github.com/numtide/treefmt/issues/97
command = "terraform"
options = ["fmt"]
includes = ["*.tf"]