Merge pull request #2690 from iclanzan/purty

Add purty fixer for PureScript

autoload/ale/fix/registry.vim

@@ -235,6 +235,11 @@ let s:default_registry = {
 \       'suggested_filetypes': ['haskell'],
 \       'description': 'Refactor Haskell files with stylish-haskell.',
 \   },
+\   'purty': {
+\       'function': 'ale#fixers#purty#Fix',
+\       'suggested_filetypes': ['purescript'],
+\       'description': 'Format PureScript files with purty.',
+\   },
 \   'ocamlformat': {
 \       'function': 'ale#fixers#ocamlformat#Fix',
 \       'suggested_filetypes': ['ocaml'],

autoload/ale/fixers/purty.vim

@@ -0,0 +1,22 @@
+" Author: iclanzan <sorin@iclanzan.com>
+" Description: Integration of purty with ALE.
+
+call ale#Set('purescript_purty_executable', 'purty')
+
+function! ale#fixers#purty#GetExecutable(buffer) abort
+    let l:executable = ale#Var(a:buffer, 'purescript_purty_executable')
+
+    return ale#Escape(l:executable)
+endfunction
+
+function! ale#fixers#purty#Fix(buffer) abort
+    let l:executable = ale#fixers#purty#GetExecutable(a:buffer)
+
+    return {
+    \   'command': l:executable
+    \       . ' --write'
+    \       . ' %t',
+    \   'read_temporary_file': 1,
+    \}
+endfunction
+