.vim/bundle/ale/ale_linters/scala/metals.vim

   1 " Author: Jeffrey Lau - https://github.com/zoonfafer
   2 " Description: Metals Language Server for Scala https://scalameta.org/metals/
   3
   4 call ale#Set('scala_metals_executable', 'metals')
   5 call ale#Set('scala_metals_project_root', '')
   6
   7 function! ale_linters#scala#metals#GetProjectRoot(buffer) abort
   8     let l:project_root = ale#Var(a:buffer, 'scala_metals_project_root')
   9
  10     if !empty(l:project_root)
  11         return l:project_root
  12     endif
  13
  14     let l:potential_roots = [
  15     \   'build.sc',
  16     \   'build.sbt',
  17     \   '.bloop',
  18     \   '.metals',
  19     \]
  20
  21     for l:root in l:potential_roots
  22         let l:project_root = ale#path#ResolveLocalPath(
  23         \   a:buffer,
  24         \   l:root,
  25         \   ''
  26         \)
  27
  28         if !empty(l:project_root)
  29             return fnamemodify(
  30             \   l:project_root,
  31             \   ':h',
  32             \)
  33         endif
  34     endfor
  35
  36     return ''
  37 endfunction
  38
  39 function! ale_linters#scala#metals#GetCommand(buffer) abort
  40     return '%e' . ale#Pad('stdio')
  41 endfunction
  42
  43 call ale#linter#Define('scala', {
  44 \   'name': 'metals',
  45 \   'lsp': 'stdio',
  46 \   'language': 'scala',
  47 \   'executable': {b -> ale#Var(b, 'scala_metals_executable')},
  48 \   'command': function('ale_linters#scala#metals#GetCommand'),
  49 \   'project_root': function('ale_linters#scala#metals#GetProjectRoot'),
  50 \})