From 35bdf0da3e378421c3c6206c550192713c3e10eb Mon Sep 17 00:00:00 2001
From: Shidong Wang <wsdjeg@outlook.com>
Date: Wed, 6 Oct 2021 22:56:47 +0800
Subject: [PATCH] feat(lsp): make SPC e c support to clear diagnostics

If lsp is enabled for current buffer. SPC e c should be able to
clear diagnostics.
---
 autoload/SpaceVim/layers/checkers.vim | 9 ++++++++-
 autoload/SpaceVim/lsp.vim             | 3 +++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/autoload/SpaceVim/layers/checkers.vim b/autoload/SpaceVim/layers/checkers.vim
index 5b060c663..e4d280307 100644
--- a/autoload/SpaceVim/layers/checkers.vim
+++ b/autoload/SpaceVim/layers/checkers.vim
@@ -391,5 +391,12 @@ endif
 
 " TODO clear errors
 function! s:clear_errors() abort
-  sign unplace *
+  if SpaceVim#lsp#buf_server_ready()
+    call SpaceVim#lsp#diagnostic_clear()
+    if get(getloclist(0, {'title': 0}), 'title', '') ==# 'Language Server'
+      call setloclist(0, [], 'r')
+    endif
+  else
+    sign unplace *
+  endif
 endfunction
diff --git a/autoload/SpaceVim/lsp.vim b/autoload/SpaceVim/lsp.vim
index 8dabf0dc3..16f6169c5 100644
--- a/autoload/SpaceVim/lsp.vim
+++ b/autoload/SpaceVim/lsp.vim
@@ -71,6 +71,9 @@ if (has('nvim-0.5.0') && s:NVIM_VERSION.is_release_version()) || has('nvim-0.6.0
   function! SpaceVim#lsp#diagnostic_goto_prev() abort
     lua vim.lsp.diagnostic.goto_prev()
   endfunction
+  function! SpaceVim#lsp#diagnostic_clear() abort
+    lua vim.lsp.diagnostic.clear(0)
+  endfunction
 elseif SpaceVim#layers#isLoaded('autocomplete') && get(g:, 'spacevim_autocomplete_method') ==# 'coc'
   " use coc.nvim
   let s:coc_language_servers = {}