From 7f98e949d4922ba2109304bd4cabe9578a8062fb Mon Sep 17 00:00:00 2001
From: Adam Stankiewicz <sheerun@sher.pl>
Date: Thu, 9 Sep 2021 12:05:33 +0200
Subject: Update

---
 autoload/dart.vim | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

(limited to 'autoload/dart.vim')

diff --git a/autoload/dart.vim b/autoload/dart.vim
index 959b67ca..a5733d03 100644
--- a/autoload/dart.vim
+++ b/autoload/dart.vim
@@ -31,9 +31,9 @@ endfunction
 
 function! dart#fmt(...) abort
   let l:dartfmt = s:FindDartFmt()
-  if type(l:dartfmt) != type('') | return | endif
+  if empty(l:dartfmt) | return | endif
   let buffer_content = getline(1, '$')
-  let l:cmd = [l:dartfmt, '--stdin-name', shellescape(expand('%'))]
+  let l:cmd = extend(l:dartfmt, ['--stdin-name', shellescape(expand('%'))])
   if exists('g:dartfmt_options')
     call extend(l:cmd, g:dartfmt_options)
   endif
@@ -64,14 +64,30 @@ function! dart#fmt(...) abort
 endfunction
 
 function! s:FindDartFmt() abort
-  if executable('dartfmt') | return 'dartfmt' | endif
+  if executable('dart')
+    let l:version_text = system('dart --version')
+    let l:match = matchlist(l:version_text,
+        \ '\vDart SDK version: (\d+)\.(\d+)\.\d+.*')
+    if empty(l:match)
+      call s:error('Unable to determine dart version')
+      return []
+    endif
+    let l:major = l:match[1]
+    let l:minor = l:match[2]
+    if l:major > 2 || l:major == 2 && l:minor >= 14
+      return ['dart', 'format']
+    endif
+  endif
+  " Legacy fallback for Dart SDK pre 2.14
+  if executable('dartfmt') | return ['dartfmt'] | endif
   if executable('flutter')
     let l:flutter_cmd = resolve(exepath('flutter'))
     let l:bin = fnamemodify(l:flutter_cmd, ':h')
     let l:dartfmt = l:bin.'/cache/dart-sdk/bin/dartfmt'
-    if executable(l:dartfmt) | return l:dartfmt | endif
+    if executable(l:dartfmt) | return [l:dartfmt] | endif
   endif
   call s:error('Cannot find a `dartfmt` command')
+  return []
 endfunction
 
 function! dart#analyzer(q_args) abort
-- 
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