Support textlint for plaintext without textlintrc

ale_linters/markdown/textlint.vim

@@ -1,23 +1,9 @@
-" Author: tokida https://rouger.info
+" Author: tokida https://rouger.info, Yasuhiro Kiyota <yasuhiroki.duck@gmail.com>
 " Description: textlint, a proofreading tool (https://textlint.github.io/)
 
-function! ale_linters#markdown#textlint#GetCommand(buffer) abort
-    let l:cmd_path = ale#path#FindNearestFile(a:buffer, '.textlintrc')
-
-    if !empty(l:cmd_path)
-        return 'textlint'
-        \    . ' -c '
-        \    . l:cmd_path
-        \     . ' -f json %t'
-    endif
-
-    return ''
-endfunction
-
-
 call ale#linter#Define('markdown', {
 \   'name': 'textlint',
-\   'executable': 'textlint',
-\   'command_callback': 'ale_linters#markdown#textlint#GetCommand',
+\   'executable_callback': 'ale#handlers#textlint#GetExecutable',
+\   'command_callback': 'ale#handlers#textlint#GetCommand',
 \   'callback': 'ale#handlers#textlint#HandleTextlintOutput',
 \})