Add dprint fixer (#4024)

* Add dprint fixer

* Fix windows tests

* dd dprint documentation

1 files changed, 29 insertions, 0 deletions

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