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" Author: Eddie Lebow https://github.com/elebow
" Description: Functions for integrating with Ruby tools
" Find the nearest dir containing "app", "db", and "config", and assume it is
" the root of a Rails app.
function! ale#ruby#FindRailsRoot(buffer) abort
for l:name in ['app', 'config', 'db']
let l:dir = fnamemodify(
\ ale#path#FindNearestDirectory(a:buffer, l:name),
\ ':h:h'
\)
if l:dir isnot# '.'
\&& isdirectory(l:dir . '/app')
\&& isdirectory(l:dir . '/config')
\&& isdirectory(l:dir . '/db')
return l:dir
endif
endfor
return ''
endfunction
" Find the nearest dir containing a potential ruby project.
function! ale#ruby#FindProjectRoot(buffer) abort
let l:dir = ale#ruby#FindRailsRoot(a:buffer)
if isdirectory(l:dir)
return l:dir
endif
for l:name in ['.solargraph.yml', 'Rakefile', 'Gemfile']
let l:dir = fnamemodify(
\ ale#path#FindNearestFile(a:buffer, l:name),
\ ':h'
\)
if l:dir isnot# '.' && isdirectory(l:dir)
return l:dir
endif
endfor
return ''
endfunction
" Handle output from rubocop and linters that depend on it (e.b. standardrb)
function! ale#ruby#HandleRubocopOutput(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#ruby#rubocop#GetType(l:error['severity']),
\})
endfor
return l:output
endfunction
function! ale#ruby#EscapeExecutable(executable, bundle_exec) abort
let l:exec_args = a:executable =~? 'bundle'
\ ? ' exec ' . a:bundle_exec
\ : ''
return ale#Escape(a:executable) . l:exec_args
endfunction
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