Add initial support for ruumba in eruby files.

Ruumba provides RuboCop linting for ERB templates.

https://github.com/ericqweinstein/ruumba

1 files changed, 62 insertions, 0 deletions

diff --git a/ale_linters/eruby/ruumba.vim b/ale_linters/eruby/ruumba.vim
new file mode 100644
index 00000000..24f112e4
--- /dev/null
+++ b/ale_linters/eruby/ruumba.vim
@@ -0,0 +1,62 @@
+" Author: aclemons - https://github.com/aclemons
+" based on the ale rubocop linter
+" Description: Ruumba, RuboCop linting for ERB templates.
+
+call ale#Set('eruby_ruumba_executable', 'ruumba')
+call ale#Set('eruby_ruumba_options', '')
+
+function! ale_linters#eruby#ruumba#GetCommand(buffer) abort
+    let l:executable = ale#Var(a:buffer, 'eruby_ruumba_executable')
+
+    return ale#handlers#ruby#EscapeExecutable(l:executable, 'ruumba')
+    \   . ' --format json --force-exclusion '
+    \   . ale#Var(a:buffer, 'eruby_ruumba_options')
+    \   . ' --stdin ' . ale#Escape(expand('#' . a:buffer . ':p'))
+endfunction
+
+function! ale_linters#eruby#ruumba#Handle(buffer, lines) abort
+    try
+        let l:errors = json_decode(a:lines[0])
+    catch
+        return []
+    endtry
+
+    if !has_key(l:errors, 'summary')
+    \|| l:errors['summary']['offense_count'] == 0
+    \|| empty(l:errors['files'])
+        return []
+    endif
+
+    let l:output = []
+
+    for l:error in l:errors['files'][0]['offenses']
+        let l:start_col = l:error['location']['column'] + 0
+        call add(l:output, {
+        \   'lnum': l:error['location']['line'] + 0,
+        \   'col': l:start_col,
+        \   'end_col': l:start_col + l:error['location']['length'] - 1,
+        \   'code': l:error['cop_name'],
+        \   'text': l:error['message'],
+        \   'type': ale_linters#eruby#ruumba#GetType(l:error['severity']),
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+function! ale_linters#eruby#ruumba#GetType(severity) abort
+    if a:severity is? 'convention'
+    \|| a:severity is? 'warning'
+    \|| a:severity is? 'refactor'
+        return 'W'
+    endif
+
+    return 'E'
+endfunction
+
+call ale#linter#Define('eruby', {
+\   'name': 'ruumba',
+\   'executable_callback': ale#VarFunc('eruby_ruumba_executable'),
+\   'command_callback': 'ale_linters#eruby#ruumba#GetCommand',
+\   'callback': 'ale_linters#eruby#ruumba#Handle',
+\})