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Add support for overriding dart format command #150

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Add support for overriding dart format command #150

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3 changes: 2 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,8 @@ Enable Dart style guide syntax (like 2-space indentation) with
Enable DartFmt execution on buffer save with `let g:dart_format_on_save = v:true`

Configure DartFmt options with `let g:dartfmt_options`
(discover formatter options with `dartfmt -h`)
(discover formatter options with `dartfmt -h`). Override the default formatting
command with `g:dartfmt_command`.

## FAQ

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28 changes: 7 additions & 21 deletions autoload/dart.vim
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Expand Up @@ -60,29 +60,15 @@ function! dart#fmt(...) abort
endfunction

function! s:FindDartFmt() abort
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
if exists('g:dartfmt_command')
return type(g:dart_format_command) == v:t_list
\ ? g:dart_format_command
\ : [g:dart_format_command]
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('dart')
return ['dart', 'format']
endif
call s:error('Cannot find a `dartfmt` command')
call s:error('Cannot find a `dart` command')
return []
endfunction

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