add synchronous variants of commands for better headless interop (#189)

1 files changed, 36 insertions, 13 deletions

diff --git a/plugin/nvim-lsp-installer.vim b/plugin/nvim-lsp-installer.vim
index 6ee00af8..fc815e72 100644
--- a/plugin/nvim-lsp-installer.vim
+++ b/plugin/nvim-lsp-installer.vim
@@ -4,6 +4,8 @@ let g:loaded_nvim_lsp_installer = v:true
 let s:save_cpo = &cpo
 set cpo&vim
 
+let s:no_confirm_flag = "--no-confirm"
+
 function! s:LspInstallCompletion(...) abort
     return join(sort(luaeval("require'nvim-lsp-installer.servers'.get_available_server_names()")), "\n")
 endfunction
@@ -12,20 +14,41 @@ function! s:LspUninstallCompletion(...) abort
     return join(sort(luaeval("require'nvim-lsp-installer.servers'.get_installed_server_names()")), "\n")
 endfunction
 
-function! s:LspInstall(server_names) abort
-    for server_name in split(a:server_names, " ")
-        call luaeval("require'nvim-lsp-installer'.install(_A)", server_name)
-    endfor
+function! s:LspUninstallAllCompletion(...) abort
+    return s:no_confirm_flag
+endfunction
+
+function! s:ParseArgs(args)
+    let sync = a:args[0] == "--sync"
+    let servers = sync ? a:args[1:] : a:args
+    return { 'sync': sync, 'servers': servers }
+endfunction
+
+function! s:LspInstall(args) abort
+    let parsed_args = s:ParseArgs(a:args)
+    if parsed_args.sync
+        call luaeval("require'nvim-lsp-installer'.install_sync(_A)", parsed_args.servers)
+    else
+        for server_name in l:parsed_args.servers
+            call luaeval("require'nvim-lsp-installer'.install(_A)", server_name)
+        endfor
+    endif
 endfunction
 
-function! s:LspUninstall(server_names) abort
-    for server_name in split(a:server_names, " ")
-        call luaeval("require'nvim-lsp-installer'.uninstall(_A)", server_name)
-    endfor
+function! s:LspUninstall(args) abort
+    let parsed_args = s:ParseArgs(a:args)
+    if parsed_args.sync
+        call luaeval("require'nvim-lsp-installer'.uninstall_sync(_A)", parsed_args.servers)
+    else
+        for server_name in l:parsed_args.servers
+            call luaeval("require'nvim-lsp-installer'.uninstall(_A)", server_name)
+        endfor
+    endif
 endfunction
 
-function! s:LspUninstallAll() abort
-    lua require'nvim-lsp-installer'.uninstall_all()
+function! s:LspUninstallAll(args) abort
+    let no_confirm = get(a:args, 0, "") == s:no_confirm_flag
+    call luaeval("require'nvim-lsp-installer'.uninstall_all(_A)", no_confirm ? v:true : v:false)
 endfunction
 
 function! s:LspPrintInstalled() abort
@@ -40,10 +63,10 @@ function! s:LspInstallLog() abort
     exe 'tabnew ' .. luaeval("require'nvim-lsp-installer.log'.outfile")
 endfunction
 
-command! -nargs=+ -complete=custom,s:LspInstallCompletion LspInstall exe s:LspInstall("<args>")
-command! -nargs=+ -complete=custom,s:LspUninstallCompletion LspUninstall exe s:LspUninstall("<args>")
+command! -bar -nargs=+ -complete=custom,s:LspInstallCompletion      LspInstall call s:LspInstall([<f-args>])
+command! -bar -nargs=+ -complete=custom,s:LspUninstallCompletion    LspUninstall call s:LspUninstall([<f-args>])
+command! -bar -nargs=? -complete=custom,s:LspUninstallAllCompletion LspUninstallAll call s:LspUninstallAll([<f-args>])
 
-command! LspUninstallAll call s:LspUninstallAll()
 command! LspPrintInstalled call s:LspPrintInstalled()
 command! LspInstallInfo call s:LspInstallInfo()
 command! LspInstallLog call s:LspInstallLog()