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" Author: Prashanth Chandra https://github.com/prashcr
" Description: tslint for TypeScript files
function! ale_linters#typescript#tslint#Handle(buffer, lines) abort
" Matches patterns like the following:
"
" hello.ts[7, 41]: trailing whitespace
" hello.ts[5, 1]: Forbidden 'var' keyword, use 'let' or 'const' instead
"
let l:ext = '.' . fnamemodify(bufname(a:buffer), ':e')
let l:pattern = '.\+' . l:ext . '\[\(\d\+\), \(\d\+\)\]: \(.\+\)'
let l:output = []
for l:line in a:lines
let l:match = matchlist(l:line, l:pattern)
if len(l:match) == 0
continue
endif
let l:line = l:match[1] + 0
let l:column = l:match[2] + 0
let l:type = 'E'
let l:text = l:match[3]
" vcol is Needed to indicate that the column is a character.
call add(l:output, {
\ 'bufnr': a:buffer,
\ 'lnum': l:line,
\ 'vcol': 0,
\ 'col': l:column,
\ 'text': l:text,
\ 'type': l:type,
\ 'nr': -1,
\})
endfor
return l:output
endfunction
function! ale_linters#typescript#tslint#BuildLintCommand(buffer) abort
let l:tsconfig_path = ale#util#FindNearestFile(a:buffer, 'tslint.json')
let l:tslint_options = empty(l:tsconfig_path) ? '' : '-c ' . l:tsconfig_path
return 'tslint ' . l:tslint_options . ' %t'
endfunction
call ale#linter#Define('typescript', {
\ 'name': 'tslint',
\ 'executable': 'tslint',
\ 'command_callback': 'ale_linters#typescript#tslint#BuildLintCommand',
\ 'callback': 'ale_linters#typescript#tslint#Handle',
\})
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