Updated vimrc

sources_non_forked/syntastic/syntax_checkers/javascript/closurecompiler.vim

@@ -9,7 +9,7 @@
 "             See http://sam.zoy.org/wtfpl/COPYING for more details.
 "============================================================================
 
-if exists("g:loaded_syntastic_javascript_closurecompiler_checker")
+if exists('g:loaded_syntastic_javascript_closurecompiler_checker')
     finish
 endif
 let g:loaded_syntastic_javascript_closurecompiler_checker = 1

sources_non_forked/syntastic/syntax_checkers/javascript/flow.vim

@@ -21,9 +21,20 @@ endif
 let s:save_cpo = &cpo
 set cpo&vim
 
+function! SyntaxCheckers_javascript_flow_IsAvailable() dict
+    if !executable(self.getExec())
+        return 0
+    endif
+    return syntastic#util#versionIsAtLeast(self.getVersion(), [0, 6])
+endfunction
+
 function! SyntaxCheckers_javascript_flow_GetLocList() dict
+    if syntastic#util#findFileInParent('.flowconfig', expand('%:p:h', 1)) ==# ''
+        return []
+    endif
+
     let makeprg = self.makeprgBuild({
-        \ 'exe': self.getExecEscaped() . ' check',
+        \ 'exe': self.getExecEscaped() . ' status',
         \ 'args_after': '--show-all-errors --json' })
 
     let errorformat =

sources_non_forked/syntastic/syntax_checkers/javascript/gjslint.vim

@@ -9,7 +9,7 @@
 "             See http://sam.zoy.org/wtfpl/COPYING for more details.
 "============================================================================
 
-if exists("g:loaded_syntastic_javascript_gjslint_checker")
+if exists('g:loaded_syntastic_javascript_gjslint_checker')
     finish
 endif
 let g:loaded_syntastic_javascript_gjslint_checker = 1

sources_non_forked/syntastic/syntax_checkers/javascript/jscs.vim

@@ -9,7 +9,7 @@
 "             See http://sam.zoy.org/wtfpl/COPYING for more details.
 "============================================================================
 
-if exists("g:loaded_syntastic_javascript_jscs_checker")
+if exists('g:loaded_syntastic_javascript_jscs_checker')
     finish
 endif
 let g:loaded_syntastic_javascript_jscs_checker = 1

sources_non_forked/syntastic/syntax_checkers/javascript/jsl.vim

@@ -9,7 +9,7 @@
 "             See http://sam.zoy.org/wtfpl/COPYING for more details.
 "============================================================================
 
-if exists("g:loaded_syntastic_javascript_jsl_checker")
+if exists('g:loaded_syntastic_javascript_jsl_checker')
     finish
 endif
 let g:loaded_syntastic_javascript_jsl_checker = 1

sources_non_forked/syntastic/syntax_checkers/javascript/jslint.vim

@@ -10,7 +10,7 @@
 "
 "============================================================================
 
-if exists("g:loaded_syntastic_javascript_jslint_checker")
+if exists('g:loaded_syntastic_javascript_jslint_checker')
     finish
 endif
 
@@ -21,7 +21,7 @@ set cpo&vim
 
 function! SyntaxCheckers_javascript_jslint_GetHighlightRegex(item)
     let term = matchstr(a:item['text'], '\mExpected .* and instead saw ''\zs.*\ze''')
-    if term != ''
+    if term !=# ''
         let term = '\V\<' . escape(term, '\') . '\>'
     endif
     return term
@@ -38,7 +38,7 @@ function! SyntaxCheckers_javascript_jslint_GetLocList() dict
     return SyntasticMake({
         \ 'makeprg': makeprg,
         \ 'errorformat': errorformat,
-        \ 'defaults': {'bufnr': bufnr("")} })
+        \ 'defaults': {'bufnr': bufnr('')} })
 endfunction
 
 call g:SyntasticRegistry.CreateAndRegisterChecker({

sources_non_forked/syntastic/syntax_checkers/javascript/jsxhint.vim

@@ -18,15 +18,16 @@ let s:save_cpo = &cpo
 set cpo&vim
 
 function! SyntaxCheckers_javascript_jsxhint_IsAvailable() dict
-    let jsxhint_version = syntastic#util#system(self.getExecEscaped() . ' --version')
-    if v:shell_error || (jsxhint_version !~# '\m^JSXHint\>')
-        return 0
+    let version_output = syntastic#util#system(self.getExecEscaped() . ' --version')
+    let parsed_ver = !v:shell_error && (version_output =~# '\m^JSXHint\>') ? syntastic#util#parseVersion(version_output) : []
+    if len(parsed_ver)
+        call self.setVersion(parsed_ver)
+    else
+        call syntastic#log#ndebug(g:_SYNTASTIC_DEBUG_LOCLIST, 'checker output:', split(version_output, "\n", 1))
+        call syntastic#log#error("checker javascript/jsxhint: can't parse version string (abnormal termination?)")
     endif
 
-    let ver = syntastic#util#parseVersion(jsxhint_version)
-    call self.setVersion(ver)
-
-    return syntastic#util#versionIsAtLeast(ver, [0, 4, 1])
+    return syntastic#util#versionIsAtLeast(parsed_ver, [0, 4, 1])
 endfunction
 
 function! SyntaxCheckers_javascript_jsxhint_GetLocList() dict

sources_non_forked/syntastic/syntax_checkers/javascript/standard.vim

@@ -9,7 +9,7 @@
 "             See http://sam.zoy.org/wtfpl/COPYING for more details.
 "============================================================================
 
-if exists("g:loaded_syntastic_javascript_standard_checker")
+if exists('g:loaded_syntastic_javascript_standard_checker')
     finish
 endif
 let g:loaded_syntastic_javascript_standard_checker = 1