#810 - Handle output which is not JSON in many linters

ale_linters/ruby/brakeman.vim

@@ -5,20 +5,10 @@ let g:ale_ruby_brakeman_options =
 \   get(g:, 'ale_ruby_brakeman_options', '')
 
 function! ale_linters#ruby#brakeman#Handle(buffer, lines) abort
-    if len(a:lines) == 0
-        return []
-    endif
-
-    try
-        let l:result = json_decode(join(a:lines, ''))
-    catch /E474/
-        " Ignore invalid JSON
-        return []
-    endtry
-
     let l:output = []
+    let l:json = ale#util#FuzzyJSONDecode(a:lines, {})
 
-    for l:warning in l:result.warnings
+    for l:warning in get(l:json, 'warnings', [])
         " Brakeman always outputs paths relative to the Rails app root
         let l:rails_root = ale#ruby#FindRailsRoot(a:buffer)
         let l:warning_file = l:rails_root . '/' . l:warning.file

ale_linters/ruby/rails_best_practices.vim

@@ -5,17 +5,11 @@ let g:ale_ruby_rails_best_practices_options =
 \   get(g:, 'ale_ruby_rails_best_practices_options', '')
 
 function! ale_linters#ruby#rails_best_practices#Handle(buffer, lines) abort
-    if len(a:lines) == 0
-        return []
-    endif
-
-    let l:result = json_decode(join(a:lines, ''))
-
     let l:output = []
 
-    for l:warning in l:result
+    for l:warning in ale#util#FuzzyJSONDecode(a:lines, [])
         if !ale#path#IsBufferPath(a:buffer, l:warning.filename)
-          continue
+            continue
         endif
 
         call add(l:output, {

ale_linters/ruby/reek.vim

@@ -1,22 +1,13 @@
 " Author: Eddie Lebow https://github.com/elebow
 " Description: Reek, a code smell detector for Ruby files
 
-let g:ale_ruby_reek_show_context =
-\   get(g:, 'ale_ruby_reek_show_context', 0)
-
-let g:ale_ruby_reek_show_wiki_link =
-\   get(g:, 'ale_ruby_reek_show_wiki_link', 0)
+call ale#Set('ruby_reek_show_context', 0)
+call ale#Set('ruby_reek_show_wiki_link', 0)
 
 function! ale_linters#ruby#reek#Handle(buffer, lines) abort
-    if len(a:lines) == 0
-        return []
-    endif
-
-    let l:errors = json_decode(a:lines[0])
-
     let l:output = []
 
-    for l:error in l:errors
+    for l:error in ale#util#FuzzyJSONDecode(a:lines, [])
         for l:location in l:error.lines
             call add(l:output, {
             \    'lnum': l:location,