From 6ed2437edbbc49f03df1023f4dae723cc7ba77d3 Mon Sep 17 00:00:00 2001
From: Chris <chrisatmachine@gmail.com>
Date: Wed, 17 Mar 2021 20:32:52 -0400
Subject: new language servers and smart document highlighting

---
 lua/lsp/init.lua | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

(limited to 'lua/lsp/init.lua')

diff --git a/lua/lsp/init.lua b/lua/lsp/init.lua
index 7ae6bab3..6b42f856 100644
--- a/lua/lsp/init.lua
+++ b/lua/lsp/init.lua
@@ -30,8 +30,7 @@ vim.cmd('nnoremap <silent> K :Lspsaga hover_doc<CR>')
 vim.cmd('nnoremap <silent> <C-p> :Lspsaga diagnostic_jump_prev<CR>')
 vim.cmd('nnoremap <silent> <C-n> :Lspsaga diagnostic_jump_next<CR>')
 -- scroll down hover doc or scroll in definition preview
-vim.cmd(
-    'nnoremap <silent> <C-f> <cmd>lua require(\'lspsaga.action\').smart_scroll_with_saga(1)<CR>')
+vim.cmd('nnoremap <silent> <C-f> <cmd>lua require(\'lspsaga.action\').smart_scroll_with_saga(1)<CR>')
 -- scroll up hover doc
 vim.cmd(
     'nnoremap <silent> <C-b> <cmd>lua require(\'lspsaga.action\').smart_scroll_with_saga(-1)<CR>')
@@ -42,3 +41,28 @@ autocmd BufWritePre *.jsx lua vim.lsp.buf.formatting_sync(nil, 100)
 autocmd BufWritePre *.lua lua vim.lsp.buf.formatting_sync(nil, 100) ]]
 -- Java
 -- autocmd FileType java nnoremap ca <Cmd>lua require('jdtls').code_action()<CR>
+
+local lsp_config = {}
+
+function lsp_config.common_on_attach(client, bufnr)
+
+    -- Set autocommands conditional on server_capabilities
+    if client.resolved_capabilities.document_highlight then
+        vim.api.nvim_exec([[
+      hi LspReferenceRead cterm=bold ctermbg=red guibg=#464646
+      hi LspReferenceText cterm=bold ctermbg=red guibg=#464646
+      hi LspReferenceWrite cterm=bold ctermbg=red guibg=#464646
+      augroup lsp_document_highlight
+        autocmd! * <buffer>
+        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
+        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
+      augroup END
+    ]], false)
+    end
+end
+
+-- Use a loop to conveniently both setup defined servers
+-- and map buffer local keybindings when the language server attaches
+-- local servers = {"pyright", "tsserver"}
+-- for _, lsp in ipairs(servers) do nvim_lsp[lsp].setup {on_attach = on_attach} end
+return lsp_config
-- 
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