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#1520 - Add an :ALEDocumentation for tsserver

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w0rp
2018-12-10 20:08:28 +00:00
parent 9226e13b31
commit 39c892eff4
5 changed files with 87 additions and 4 deletions
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38
autoload/ale/hover.vim
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@@ -24,7 +24,21 @@ function! ale#hover#HandleTSServerResponse(conn_id, response) abort
if get(a:response, 'success', v:false) is v:true
\&& get(a:response, 'body', v:null) isnot v:null
if get(l:options, 'hover_from_balloonexpr', 0)
" If we pass the show_documentation flag, we should show the full
" documentation, and always in the preview window.
if get(l:options, 'show_documentation', 0)
let l:documentation = get(a:response.body, 'documentation', '')
" displayString is not included here, because it can be very
" noisy and run on for many lines for complex types. A less
" verbose alternative may be nice in future.
if !empty(l:documentation)
call ale#preview#Show(split(l:documentation, "\n"), {
\ 'filetype': 'ale-preview.message',
\ 'stay_here': 1,
\})
endif
elseif get(l:options, 'hover_from_balloonexpr', 0)
\&& exists('*balloon_show')
\&& ale#Var(l:options.buffer, 'set_balloons')
call balloon_show(a:response.body.displayString)
@@ -126,6 +140,7 @@ function! s:OnReady(linter, lsp_details, line, column, opt, ...) abort
\ 'line': a:line,
\ 'column': l:column,
\ 'hover_from_balloonexpr': get(a:opt, 'called_from_balloonexpr', 0),
\ 'show_documentation': get(a:opt, 'show_documentation', 0),
\}
endfunction
@@ -153,9 +168,30 @@ endfunction
" - in the balloon if opt.called_from_balloonexpr and balloon_show is detected
" - as status message otherwise
function! ale#hover#Show(buffer, line, col, opt) abort
let l:show_documentation = get(a:opt, 'show_documentation', 0)
for l:linter in ale#linter#Get(getbufvar(a:buffer, '&filetype'))
" Only tsserver supports documentation requests at the moment.
if !empty(l:linter.lsp)
\&& (!l:show_documentation || l:linter.lsp is# 'tsserver')
call s:ShowDetails(l:linter, a:buffer, a:line, a:col, a:opt)
endif
endfor
endfunction
" This function implements the :ALEHover command.
function! ale#hover#ShowAtCursor() abort
let l:buffer = bufnr('')
let l:pos = getcurpos()
call ale#hover#Show(l:buffer, l:pos[1], l:pos[2], {})
endfunction
" This function implements the :ALEDocumentation command.
function! ale#hover#ShowDocumentationAtCursor() abort
let l:buffer = bufnr('')
let l:pos = getcurpos()
let l:options = {'show_documentation': 1}
call ale#hover#Show(l:buffer, l:pos[1], l:pos[2], l:options)
endfunction