Add dprint fixer (#4024)

* Add dprint fixer

* Fix windows tests

* dd dprint documentation

15 files changed, 195 insertions, 3 deletions

diff --git a/autoload/ale/fix/registry.vim b/autoload/ale/fix/registry.vim
index 7be730f4..f9b94843 100644
--- a/autoload/ale/fix/registry.vim
+++ b/autoload/ale/fix/registry.vim
@@ -496,6 +496,11 @@ let s:default_registry = {
 \       'suggested_filetypes': ['lua'],
 \       'description': 'Fix Lua files with luafmt.',
 \   },
+\   'dprint': {
+\       'function': 'ale#fixers#dprint#Fix',
+\       'suggested_filetypes': ['javascript', 'typescript', 'json', 'markdown'],
+\       'description': 'Pluggable and configurable code formatting platform',
+\   },
 \   'stylua': {
 \       'function': 'ale#fixers#stylua#Fix',
 \       'suggested_filetypes': ['lua'],
diff --git a/autoload/ale/fixers/dprint.vim b/autoload/ale/fixers/dprint.vim
new file mode 100644
index 00000000..99e590df
--- /dev/null
+++ b/autoload/ale/fixers/dprint.vim
@@ -0,0 +1,29 @@
+call ale#Set('dprint_executable', 'dprint')
+call ale#Set('dprint_executable_override', 0)
+call ale#Set('dprint_use_global', get(g:, 'ale_use_global_executables', 0))
+call ale#Set('dprint_options', '')
+call ale#Set('dprint_config', 'dprint.json')
+
+function! ale#fixers#dprint#Fix(buffer) abort
+    let l:executable = ale#path#FindExecutable(a:buffer, 'dprint', ['dprint'])
+    let l:executable_override = ale#Var(a:buffer, 'dprint_executable_override')
+
+    if !executable(l:executable) && !l:executable_override
+        return 0
+    endif
+
+    let l:options = ale#Var(a:buffer, 'dprint_options')
+    let l:config = ale#path#FindNearestFile(a:buffer, ale#Var(a:buffer, 'dprint_config'))
+
+    if !empty(l:config)
+        let l:options = l:options . ' -c ' . ale#Escape(l:config)
+    endif
+
+    let l:options = l:options . ' --stdin %s'
+
+    return {
+    \   'command': ale#Escape(l:executable)
+    \     . ' fmt '
+    \     . l:options
+    \}
+endfunction
diff --git a/doc/ale-dockerfile.txt b/doc/ale-dockerfile.txt
index 284c6a10..b6e87623 100644
--- a/doc/ale-dockerfile.txt
+++ b/doc/ale-dockerfile.txt
@@ -26,6 +26,12 @@ g:ale_dockerfile_dockerfile_lint_options
 
 
 ===============================================================================
+dprint                                                  *ale-dockerfile-dprint*
+
+See |ale-dprint-options| and https://dprint.dev/plugins/dockerfile
+
+
+===============================================================================
 hadolint                                              *ale-dockerfile-hadolint*
 
   hadolint can be found at: https://github.com/hadolint/hadolint
diff --git a/doc/ale-javascript.txt b/doc/ale-javascript.txt
index 087909c8..7d626efe 100644
--- a/doc/ale-javascript.txt
+++ b/doc/ale-javascript.txt
@@ -36,6 +36,12 @@ Check the docs over at |ale-typescript-deno|.
 
 
 ===============================================================================
+dprint                                                  *ale-javascript-dprint*
+
+See |ale-dprint-options| and https://dprint.dev/plugins/typescript
+
+
+===============================================================================
 eslint                                                  *ale-javascript-eslint*
 
 g:ale_javascript_eslint_executable         *g:ale_javascript_eslint_executable*
diff --git a/doc/ale-json.txt b/doc/ale-json.txt
index a79add81..67db0b74 100644
--- a/doc/ale-json.txt
+++ b/doc/ale-json.txt
@@ -9,6 +9,12 @@ See |ale-cspell-options|
 
 
 ===============================================================================
+dprint                                                        *ale-json-dprint*
+
+See |ale-dprint-options| and https://dprint.dev/plugins/json
+
+
+===============================================================================
 eslint                                                        *ale-json-eslint*
 
 The `eslint` linter for JSON uses the JavaScript options for `eslint`; see:
diff --git a/doc/ale-markdown.txt b/doc/ale-markdown.txt
index 25065b55..6ba78ff0 100644
--- a/doc/ale-markdown.txt
+++ b/doc/ale-markdown.txt
@@ -9,6 +9,12 @@ See |ale-cspell-options|
 
 
 ===============================================================================
+dprint                                                    *ale-markdown-dprint*
+
+See |ale-dprint-options| and https://dprint.dev/plugins/markdown
+
+
+===============================================================================
 markdownlint                                        *ale-markdown-markdownlint*
 
 g:ale_markdown_markdownlint_options       *g:ale_markdown_markdownlint_options*
diff --git a/doc/ale-sql.txt b/doc/ale-sql.txt
index 398e24d3..80929264 100644
--- a/doc/ale-sql.txt
+++ b/doc/ale-sql.txt
@@ -3,6 +3,13 @@ ALE SQL Integration                                           *ale-sql-options*
 
 
 ===============================================================================
+dprint                                                         *ale-sql-dprint*
+
+See |ale-dprint-options|
+and https://github.com/dprint/dprint-plugin-sql/releases
+
+
+===============================================================================
 pgformatter                                               *ale-sql-pgformatter*
 
 g:ale_sql_pgformatter_executable             *g:ale_sql_pgformatter_executable*
diff --git a/doc/ale-supported-languages-and-tools.txt b/doc/ale-supported-languages-and-tools.txt
index f12e0c87..16f18074 100644
--- a/doc/ale-supported-languages-and-tools.txt
+++ b/doc/ale-supported-languages-and-tools.txt
@@ -147,6 +147,7 @@ Notes:
   * `dhall-lint`
 * Dockerfile
   * `dockerfile_lint`
+  * `dprint`
   * `hadolint`
 * Elixir
   * `credo`
@@ -267,6 +268,7 @@ Notes:
 * JavaScript
   * `cspell`
   * `deno`
+  * `dprint`
   * `eslint`
   * `fecs`
   * `flow`
@@ -280,6 +282,7 @@ Notes:
   * `xo`
 * JSON
   * `cspell`
+  * `dprint`
   * `eslint`
   * `fixjson`
   * `jq`
@@ -537,6 +540,7 @@ Notes:
   * `solhint`
   * `solium`
 * SQL
+  * `dprint`
   * `pgformatter`
   * `sql-lint`
   * `sqlfmt`
@@ -583,9 +587,12 @@ Notes:
 * Thrift
   * `thrift`
   * `thriftcheck`
+* TOML
+  * `dprint`
 * TypeScript
   * `cspell`
   * `deno`
+  * `dprint`
   * `eslint`
   * `fecs`
   * `prettier`
diff --git a/doc/ale-toml.txt b/doc/ale-toml.txt
new file mode 100644
index 00000000..222a91f4
--- /dev/null
+++ b/doc/ale-toml.txt
@@ -0,0 +1,12 @@
+===============================================================================
+ALE TOML Integration                                         *ale-toml-options*
+
+
+===============================================================================
+dprint                                                        *ale-toml-dprint*
+
+See |ale-dprint-options| and https://dprint.dev/plugins/toml
+
+
+===============================================================================
+  vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:
diff --git a/doc/ale-typescript.txt b/doc/ale-typescript.txt
index eefcfed1..788a7a5c 100644
--- a/doc/ale-typescript.txt
+++ b/doc/ale-typescript.txt
@@ -51,6 +51,12 @@ g:ale_deno_importMap                                     *g:ale_deno_importMap*
 
 
 ===============================================================================
+dprint                                                  *ale-typescript-dprint*
+
+See |ale-dprint-options| and https://dprint.dev/plugins/typescript
+
+
+===============================================================================
 eslint                                                  *ale-typescript-eslint*
 
 Because of how TypeScript compiles code to JavaScript and how interrelated
diff --git a/doc/ale.txt b/doc/ale.txt
index 8d98d511..65439fb1 100644
--- a/doc/ale.txt
+++ b/doc/ale.txt
@@ -2597,7 +2597,50 @@ g:ale_cspell_use_global                               *g:ale_cspell_use_global*
 
 
 -------------------------------------------------------------------------------
-7.3. Options for languagetool                        *ale-languagetool-options*
+7.3. Options for dprint                                    *ale-dprint-options*
+
+`dprint` is a fixer for many file types, including: (java|type)script,
+json(c?), markdown, and more. See https://dprint.dev/plugins for an up-to-date
+list of supported plugins and their configuration options.
+
+g:ale_dprint_executable                               *g:ale_dprint_executable*
+                                                      *b:ale_dprint_executable*
+  Type: |String|
+  Default: `'dprint'`
+
+  See |ale-integrations-local-executables|
+
+
+g:ale_dprint_config                                       *g:ale_dprint_config*
+                                                          *b:ale_dprint_config*
+  Type: |String|
+  Default: `'dprint.json'`
+
+  This variable can be changed to provide a config file to `dprint`. The
+  default is the nearest `dprint.json` searching upward from the current
+  buffer.
+
+  See https://dprint.dev/config and https://plugins.dprint.dev
+
+
+g:ale_dprint_options                                     *g:ale_dprint_options*
+                                                         *b:ale_dprint_options*
+  Type: |String|
+  Default: `''`
+
+  This variable can be set to pass additional options to `dprint`.
+
+
+g:ale_dprint_use_global                               *g:ale_dprint_use_global*
+                                                      *b:ale_dprint_use_global*
+  Type: |Number|
+  Default: `get(g: 'ale_use_global_executables', 0)`
+
+  See |ale-integrations-local-executables|
+
+
+-------------------------------------------------------------------------------
+7.4. Options for languagetool                        *ale-languagetool-options*
 
 g:ale_languagetool_executable                   *g:ale_languagetool_executable*
                                                 *b:ale_languagetool_executable*
@@ -2617,7 +2660,7 @@ g:ale_languagetool_options                         *g:ale_languagetool_options*
 
 
 -------------------------------------------------------------------------------
-7.4. Options for write-good                            *ale-write-good-options*
+7.5. Options for write-good                            *ale-write-good-options*
 
 The options for `write-good` are shared between all filetypes, so options can
 be configured once.
@@ -2647,7 +2690,7 @@ g:ale_writegood_use_global                         *g:ale_writegood_use_global*
 
 
 -------------------------------------------------------------------------------
-7.5. Other Linter/Fixer Options                 *ale-other-integration-options*
+7.6. Other Linter/Fixer Options                 *ale-other-integration-options*
 
 ALE supports a very wide variety of tools. Other linter or fixer options are
 documented in additional help files.
@@ -2752,6 +2795,7 @@ documented in additional help files.
     dhall-lint............................|ale-dhall-lint|
   dockerfile..............................|ale-dockerfile-options|
     dockerfile_lint.......................|ale-dockerfile-dockerfile_lint|
+    dprint................................|ale-dockerfile-dprint|
     hadolint..............................|ale-dockerfile-hadolint|
   elixir..................................|ale-elixir-options|
     mix...................................|ale-elixir-mix|
@@ -2863,6 +2907,7 @@ documented in additional help files.
   javascript..............................|ale-javascript-options|
     cspell................................|ale-javascript-cspell|
     deno..................................|ale-javascript-deno|
+    dprint................................|ale-javascript-dprint|
     eslint................................|ale-javascript-eslint|
     fecs..................................|ale-javascript-fecs|
     flow..................................|ale-javascript-flow|
@@ -2876,6 +2921,7 @@ documented in additional help files.
     xo....................................|ale-javascript-xo|
   json....................................|ale-json-options|
     cspell................................|ale-json-cspell|
+    dprint................................|ale-json-dprint|
     eslint................................|ale-json-eslint|
     fixjson...............................|ale-json-fixjson|
     jsonlint..............................|ale-json-jsonlint|
@@ -2914,6 +2960,7 @@ documented in additional help files.
     stylua................................|ale-lua-stylua|
   markdown................................|ale-markdown-options|
     cspell................................|ale-markdown-cspell|
+    dprint................................|ale-markdown-dprint|
     markdownlint..........................|ale-markdown-markdownlint|
     mdl...................................|ale-markdown-mdl|
     pandoc................................|ale-markdown-pandoc|
@@ -3095,6 +3142,7 @@ documented in additional help files.
   spec....................................|ale-spec-options|
     rpmlint...............................|ale-spec-rpmlint|
   sql.....................................|ale-sql-options|
+    dprint................................|ale-sql-dprint|
     pgformatter...........................|ale-sql-pgformatter|
     sqlfmt................................|ale-sql-sqlfmt|
     sqlformat.............................|ale-sql-sqlformat|
@@ -3136,9 +3184,12 @@ documented in additional help files.
   thrift..................................|ale-thrift-options|
     thrift................................|ale-thrift-thrift|
     thriftcheck...........................|ale-thrift-thriftcheck|
+  toml....................................|ale-toml-options|
+    dprint................................|ale-toml-dprint|
   typescript..............................|ale-typescript-options|
     cspell................................|ale-typescript-cspell|
     deno..................................|ale-typescript-deno|
+    dprint................................|ale-typescript-dprint|
     eslint................................|ale-typescript-eslint|
     prettier..............................|ale-typescript-prettier|
     standard..............................|ale-typescript-standard|
diff --git a/supported-tools.md b/supported-tools.md
index 9e03ddbb..8d3b41fb 100644
--- a/supported-tools.md
+++ b/supported-tools.md
@@ -156,6 +156,7 @@ formatting.
   * [dhall-lint](https://github.com/dhall-lang/dhall-lang)
 * Dockerfile
   * [dockerfile_lint](https://github.com/projectatomic/dockerfile_lint)
+  * [dprint](https://dprint.dev)
   * [hadolint](https://github.com/hadolint/hadolint)
 * Elixir
   * [credo](https://github.com/rrrene/credo)
@@ -276,6 +277,7 @@ formatting.
 * JavaScript
   * [cspell](https://github.com/streetsidesoftware/cspell/tree/main/packages/cspell)
   * [deno](https://deno.land/)
+  * [dprint](https://dprint.dev/)
   * [eslint](http://eslint.org/)
   * [fecs](http://fecs.baidu.com/)
   * [flow](https://flowtype.org/)
@@ -289,6 +291,7 @@ formatting.
   * [xo](https://github.com/sindresorhus/xo)
 * JSON
   * [cspell](https://github.com/streetsidesoftware/cspell/tree/main/packages/cspell)
+  * [dprint](https://dprint.dev)
   * [eslint](http://eslint.org/)
   * [fixjson](https://github.com/rhysd/fixjson)
   * [jq](https://stedolan.github.io/jq/)
@@ -546,6 +549,7 @@ formatting.
   * [solhint](https://github.com/protofire/solhint)
   * [solium](https://github.com/duaraghav8/Solium)
 * SQL
+  * [dprint](https://dprint.dev)
   * [pgformatter](https://github.com/darold/pgFormatter)
   * [sql-lint](https://github.com/joereynolds/sql-lint)
   * [sqlfmt](https://github.com/jackc/sqlfmt)
@@ -592,9 +596,12 @@ formatting.
 * Thrift
   * [thrift](http://thrift.apache.org/)
   * [thriftcheck](https://github.com/pinterest/thriftcheck)
+* TOML
+  * [dprint](https://dprint.dev)
 * TypeScript
   * [cspell](https://github.com/streetsidesoftware/cspell/tree/main/packages/cspell)
   * [deno](https://deno.land/)
+  * [dprint](https://dprint.dev/)
   * [eslint](http://eslint.org/)
   * [fecs](http://fecs.baidu.com/)
   * [prettier](https://github.com/prettier/prettier)
diff --git a/test/fixers/test_dprint_fixer_callback.vader b/test/fixers/test_dprint_fixer_callback.vader
new file mode 100644
index 00000000..6a9d0118
--- /dev/null
+++ b/test/fixers/test_dprint_fixer_callback.vader
@@ -0,0 +1,44 @@
+Before:
+  call ale#assert#SetUpFixerTest('typescript', 'dprint')
+  call ale#test#SetFilename('../test-files/dprint/blank.ts')
+  let g:ale_dprint_executable_override = 0
+  let g:ale_dprint_executable = 'dprint'
+  let g:ale_dprint_config = ''
+
+After:
+  Restore
+  call ale#assert#TearDownFixerTest()
+
+Execute(The dprint callback should return 0 for a non-existent executable):
+  let g:ale_dprint_executable = 'foo'
+  AssertFixer 0
+
+Execute(The dprint callback should return the correct default values):
+  let g:ale_dprint_executable_override = 1
+  AssertFixer {
+  \   'command': ale#Escape('dprint')
+  \     . ' fmt '
+  \     . ' --stdin %s'
+  \ }
+
+Execute(The dprint callback should include config):
+  let g:ale_dprint_executable_override = 1
+  let g:ale_dprint_config = 'dprint.json'
+
+  AssertFixer {
+  \   'command': ale#Escape('dprint')
+  \     . ' fmt '
+  \     . ' -c '
+  \     . ale#Escape((has('win32') ? 'C:\testplugin\test\test-files\dprint\dprint.json' : '/testplugin/test/test-files/dprint/dprint.json'))
+  \     . ' --stdin %s'
+  \ }
+
+Execute(The dprint callback should include custom options):
+  let g:ale_dprint_executable_override = 1
+  let g:ale_dprint_options = '--verbose'
+
+  AssertFixer {
+  \   'command': ale#Escape('dprint')
+  \     . ' fmt '
+  \     . '--verbose' . ' --stdin %s'
+  \ }
diff --git a/test/test-files/dprint/blank.ts b/test/test-files/dprint/blank.ts
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/test/test-files/dprint/blank.ts
diff --git a/test/test-files/dprint/dprint.json b/test/test-files/dprint/dprint.json
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/test/test-files/dprint/dprint.json