Add configuration for ALE and simplify Syntastic configuration

Replaced syntastic configuration by a file that uses Syntastic's
redirect option to redirect to 'javascript/eslint'

ftplugin/vue.vim

@@ -10,3 +10,10 @@ endif
 runtime! ftplugin/html.vim
 
 setlocal suffixesadd+=.vue
+
+if exists('g:loaded_ale')
+  let g:ale_linters = get(g:, 'ale_linters', {})
+  let g:ale_linters.vue = get(g:ale_linters, 'vue', ['eslint'])
+  let g:ale_linter_aliases = get(g:, 'ale_linter_aliases', {})
+  let g:ale_linter_aliases.vue = get(g:ale_linter_aliases, 'vue', 'javascript')
+endif

readme.md

@@ -29,10 +29,11 @@ git clone https://github.com/posva/vim-vue.git
 git clone https://github.com/posva/vim-vue.git ~/.vim/pack/plugins/start
 ```
 
-### Integration with [Syntastic](https://github.com/scrooloose/syntastic)
+### Integration with [Syntastic](https://github.com/scrooloose/syntastic) or [ALE](https://github.com/w0rp/ale)
 
-Currently only `eslint` is available. Please make sure `eslint` and
-`eslint-plugin-vue` are installed:
+Currently only `eslint` is available. Please make sure
+[eslint](http://eslint.org/) and
+[eslint-plugin-vue](https://github.com/vuejs/eslint-plugin-vue) are installed:
 
 ```bash
 npm i -g eslint eslint-plugin-vue

syntax_checkers/vue/eslint.vim

@@ -1,78 +1,13 @@
-"============================================================================
-"File:        eslint.vim
-"Description: vue syntax checker - using eslint
-"Maintainer:  Maksim Ryzhikov <rv.maksim at gmail dot com>
-"License:     This program is free software. It comes without any warranty,
-"             to the extent permitted by applicable law. You can redistribute
-"             it and/or modify it under the terms of the Do What The Fuck You
-"             Want To Public License, Version 2, as published by Sam Hocevar.
-"             See http://sam.zoy.org/wtfpl/COPYING for more details.
-"============================================================================
+" Vue cofiguration for Syntastic
 
 if exists('g:loaded_syntastic_vue_eslint_checker')
-    finish
+  finish
 endif
+
 let g:loaded_syntastic_vue_eslint_checker = 1
 
-if !exists('g:syntastic_vue_eslint_sort')
-    let g:syntastic_vue_eslint_sort = 1
-endif
-
-if !exists('g:syntastic_vue_eslint_generic')
-    let g:syntastic_vue_eslint_generic = 0
-endif
-
-let s:save_cpo = &cpo
-set cpo&vim
-
-function! SyntaxCheckers_vue_eslint_IsAvailable() dict
-    if g:syntastic_vue_eslint_generic
-        call self.log('generic eslint, exec =', self.getExec())
-    endif
-
-    if !executable(self.getExec())
-        return 0
-    endif
-    return g:syntastic_vue_eslint_generic || syntastic#util#versionIsAtLeast(self.getVersion(), [0, 1])
-endfunction
-
-function! SyntaxCheckers_vue_eslint_GetLocList() dict
-    if !g:syntastic_vue_eslint_generic
-        call syntastic#log#deprecationWarn('vue_eslint_conf', 'javascript_eslint_args',
-            \ "'--config ' . syntastic#util#shexpand(OLD_VAR)")
-    endif
-
-    let makeprg = self.makeprgBuild({ 'args_before': (g:syntastic_vue_eslint_generic ? '' : '-f compact') })
-
-    let errorformat =
-        \ '%E%f: line %l\, col %c\, Error - %m,' .
-        \ '%W%f: line %l\, col %c\, Warning - %m'
-
-    let loclist = SyntasticMake({
-        \ 'makeprg': makeprg,
-        \ 'errorformat': errorformat,
-        \ 'postprocess': ['guards'] })
-
-    if !g:syntastic_vue_eslint_generic
-        if !exists('s:eslint_new')
-            let s:eslint_new = syntastic#util#versionIsAtLeast(self.getVersion(), [1])
-        endif
-
-        if !s:eslint_new
-            for e in loclist
-                let e['col'] += 1
-            endfor
-        endif
-    endif
-
-    return loclist
-endfunction
-
 call g:SyntasticRegistry.CreateAndRegisterChecker({
-    \ 'filetype': 'vue',
-    \ 'name': 'eslint'})
-
-let &cpo = s:save_cpo
-unlet s:save_cpo
-
-" vim: set sw=4 sts=4 et fdm=marker:
+      \   'filetype': 'vue',
+      \   'name': 'eslint',
+      \   'redirect': 'javascript/eslint'
+      \ })