87 lines
2.7 KiB
VimL
87 lines
2.7 KiB
VimL
" Author: Zach Perrault -- @zperrault
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" Description: FlowType checking for JavaScript files
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let g:ale_javascript_flow_executable =
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\ get(g:, 'ale_javascript_flow_executable', 'flow')
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let g:ale_javascript_flow_use_global =
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\ get(g:, 'ale_javascript_flow_use_global', 0)
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function! ale_linters#javascript#flow#GetExecutable(buffer) abort
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if ale#Var(a:buffer, 'javascript_flow_use_global')
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return ale#Var(a:buffer, 'javascript_flow_executable')
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endif
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return ale#path#ResolveLocalPath(
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\ a:buffer,
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\ 'node_modules/.bin/flow',
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\ ale#Var(a:buffer, 'javascript_flow_executable')
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\)
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endfunction
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function! ale_linters#javascript#flow#GetCommand(buffer) abort
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let l:flow_config = ale#path#FindNearestFile(a:buffer, '.flowconfig')
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if empty(l:flow_config)
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" Don't run Flow if we can't find a .flowconfig file.
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return ''
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endif
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return ale#Escape(ale_linters#javascript#flow#GetExecutable(a:buffer))
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\ . ' check-contents --respect-pragma --json --from ale %s'
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endfunction
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function! ale_linters#javascript#flow#Handle(buffer, lines) abort
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let l:str = join(a:lines, '')
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if l:str ==# ''
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return []
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endif
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let l:flow_output = json_decode(l:str)
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let l:output = []
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for l:error in get(l:flow_output, 'errors', [])
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" Each error is broken up into parts
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let l:text = ''
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let l:line = 0
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let l:col = 0
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for l:message in l:error.message
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" Comments have no line of column information, so we skip them.
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" In certain cases, `l:message.loc.source` points to a different path
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" than the buffer one, thus we skip this loc information too.
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if has_key(l:message, 'loc') && l:line ==# 0 && l:message.loc.source ==# expand('#' . a:buffer . ':p')
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let l:line = l:message.loc.start.line + 0
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let l:col = l:message.loc.start.column + 0
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endif
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if l:text ==# ''
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let l:text = l:message.descr . ':'
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else
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let l:text = l:text . ' ' . l:message.descr
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endif
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endfor
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if has_key(l:error, 'operation')
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let l:text = l:text . ' See also: ' . l:error.operation.descr
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endif
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call add(l:output, {
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\ 'lnum': l:line,
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\ 'col': l:col,
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\ 'text': l:text,
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\ 'type': l:error.level ==# 'error' ? 'E' : 'W',
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\})
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endfor
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return l:output
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endfunction
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call ale#linter#Define('javascript', {
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\ 'name': 'flow',
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\ 'executable_callback': 'ale_linters#javascript#flow#GetExecutable',
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\ 'command_callback': 'ale_linters#javascript#flow#GetCommand',
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\ 'callback': 'ale_linters#javascript#flow#Handle',
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\})
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