Add support for dprint

CHANGELOG.md

@@ -64,6 +64,7 @@ The format is based on [Keep a Changelog].
 
 ### Formatters
 
+* [dprint](https://dprint.dev) for various (depends on installed plugins).
 * [purs-tidy](https://github.com/natefaubion/purescript-tidy) for PureScript ([#182]).
 * [`jq`](https://stedolan.github.io/jq/) for
   [JSON](https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/JSON)

apheleia-formatters.el

@@ -44,6 +44,7 @@
     (cmake-format . ("cmake-format" "-"))
     (crystal-tool-format . ("crystal" "tool" "format" "-"))
     (dart-format . ("dart" "format"))
+    (dprint . ("dprint" "fmt" "--stdin" (file-name-nondirectory filepath)))
     (elm-format . ("elm-format" "--yes" "--stdin"))
     (fish-indent . ("fish_indent"))
     (fourmolu . ("fourmolu"))
@@ -239,11 +240,13 @@ rather than using this system."
     (cmake-mode . cmake-format)
     (cmake-ts-mode . cmake-format)
     (common-lisp-mode . lisp-indent)
+    (conf-toml-mode . dprint)
     (crystal-mode . crystal-tool-format)
     (css-mode . prettier-css)
     (css-ts-mode . prettier-css)
     (dart-mode . dart-format)
     (dart-ts-mode . dart-format)
+    (dockerfile-mode . dprint)
     (elixir-mode . mix-format)
     (elixir-ts-mode . mix-format)
     (elm-mode . elm-format)
@@ -269,6 +272,7 @@ rather than using this system."
     (LaTeX-mode . latexindent)
     (lua-mode . stylua)
     (lisp-mode . lisp-indent)
+    (markdown-mode . dprint)
     (nasm-mode . asmfmt)
     (nix-mode . nixfmt)
     (perl-mode . perltidy)

test/formatters/installers/dprint.bash

@@ -0,0 +1,11 @@
+npm install -g dprint
+cat <<\EOF >/tmp/dprint.json
+{
+  "toml": {},
+  "excludes": [],
+  "plugins": [
+    "https://plugins.dprint.dev/toml-0.5.4.wasm"
+  ]
+}
+EOF
+dprint config update

test/formatters/samplecode/dprint/in.toml

@@ -0,0 +1 @@
+title  = "Apheleia dprint TOML test"

test/formatters/samplecode/dprint/out.toml

@@ -0,0 +1 @@
+title = "Apheleia dprint TOML test"