Add ALERename (tsserver & LSP), ALEOrganizeImports (tsserver) and auto import support (tsserver) (#2709)

This commit adds support for renaming symbols in tsserver and with LSP tools, and for organising imports with tsserver. Completion results for symbols that can be imported are now suggested if enabled for tsserver completion done via ALE.

autoload/ale/completion.vim

@@ -15,6 +15,7 @@ onoremap <silent> <Plug>(ale_show_completion_menu) <Nop>
 let g:ale_completion_delay = get(g:, 'ale_completion_delay', 100)
 let g:ale_completion_excluded_words = get(g:, 'ale_completion_excluded_words', [])
 let g:ale_completion_max_suggestions = get(g:, 'ale_completion_max_suggestions', 50)
+let g:ale_completion_tsserver_autoimport = get(g:, 'ale_completion_tsserver_autoimport', 0)
 
 let s:timer_id = -1
 let s:last_done_pos = []
@@ -296,7 +297,10 @@ function! ale#completion#ParseTSServerCompletions(response) abort
     let l:names = []
 
     for l:suggestion in a:response.body
-        call add(l:names, l:suggestion.name)
+        call add(l:names, {
+        \ 'word': l:suggestion.name,
+        \ 'source': get(l:suggestion, 'source', ''),
+        \})
     endfor
 
     return l:names
@@ -330,13 +334,22 @@ function! ale#completion#ParseTSServerCompletionEntryDetails(response) abort
         endif
 
         " See :help complete-items
-        call add(l:results, {
+        let l:result = {
         \   'word': l:suggestion.name,
         \   'kind': l:kind,
         \   'icase': 1,
         \   'menu': join(l:displayParts, ''),
+        \   'dup': g:ale_completion_tsserver_autoimport,
         \   'info': join(l:documentationParts, ''),
-        \})
+        \}
+
+        if has_key(l:suggestion, 'codeActions')
+            let l:result.user_data = json_encode({
+            \   'codeActions': l:suggestion.codeActions,
+            \ })
+        endif
+
+        call add(l:results, l:result)
     endfor
 
     let l:names = getbufvar(l:buffer, 'ale_tsserver_completion_names', [])
@@ -345,12 +358,12 @@ function! ale#completion#ParseTSServerCompletionEntryDetails(response) abort
         let l:names_with_details = map(copy(l:results), 'v:val.word')
         let l:missing_names = filter(
         \   copy(l:names),
-        \   'index(l:names_with_details, v:val) < 0',
+        \   'index(l:names_with_details, v:val.word) < 0',
         \)
 
         for l:name in l:missing_names
             call add(l:results, {
-            \   'word': l:name,
+            \   'word': l:name.word,
             \   'kind': 'v',
             \   'icase': 1,
             \   'menu': '',
@@ -472,13 +485,22 @@ function! ale#completion#HandleTSServerResponse(conn_id, response) abort
         call setbufvar(l:buffer, 'ale_tsserver_completion_names', l:names)
 
         if !empty(l:names)
+            let l:identifiers = []
+
+            for l:name in l:names
+                call add(l:identifiers, {
+                \   'name': l:name.word,
+                \   'source': get(l:name, 'source', ''),
+                \})
+            endfor
+
             let b:ale_completion_info.request_id = ale#lsp#Send(
             \   b:ale_completion_info.conn_id,
             \   ale#lsp#tsserver_message#CompletionEntryDetails(
             \       l:buffer,
             \       b:ale_completion_info.line,
             \       b:ale_completion_info.column,
-            \       l:names,
+            \       l:identifiers,
             \   ),
             \)
         endif
@@ -525,6 +547,7 @@ function! s:OnReady(linter, lsp_details) abort
         \   b:ale_completion_info.line,
         \   b:ale_completion_info.column,
         \   b:ale_completion_info.prefix,
+        \   g:ale_completion_tsserver_autoimport,
         \)
     else
         " Send a message saying the buffer has changed first, otherwise
@@ -692,6 +715,26 @@ function! ale#completion#Queue() abort
     let s:timer_id = timer_start(g:ale_completion_delay, function('s:TimerHandler'))
 endfunction
 
+function! ale#completion#HandleUserData(completed_item) abort
+    let l:source = get(get(b:, 'ale_completion_info', {}), 'source', '')
+
+    if l:source isnot# 'ale-automatic' && l:source isnot# 'ale-manual'
+        return
+    endif
+
+    let l:user_data_json = get(a:completed_item, 'user_data', '')
+
+    if empty(l:user_data_json)
+        return
+    endif
+
+    let l:user_data = json_decode(l:user_data_json)
+
+    for l:code_action in get(l:user_data, 'codeActions', [])
+        call ale#code_action#HandleCodeAction(l:code_action)
+    endfor
+endfunction
+
 function! ale#completion#Done() abort
     silent! pclose
 
@@ -700,6 +743,10 @@ function! ale#completion#Done() abort
     let s:last_done_pos = getpos('.')[1:2]
 endfunction
 
+augroup ALECompletionActions
+    autocmd CompleteDone * call ale#completion#HandleUserData(v:completed_item)
+augroup END
+
 function! s:Setup(enabled) abort
     augroup ALECompletionGroup
         autocmd!