amend global on_attach function

lua/user/lsp/handlers.lua

@@ -46,18 +46,13 @@ end
 
 local function lsp_highlight_document(client)
   -- Set autocommands conditional on server_capabilities
-  if client.resolved_capabilities.document_highlight then
-    vim.api.nvim_exec(
-      [[
-      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
-    )
+  -- if client.server_capabilities.document_highlight then
+    local status_ok, illuminate = pcall(require, "illuminate")
+    if not status_ok then
+      return
     end
+    illuminate.on_attach(client)
+  -- end
 end
 
 local function lsp_keymaps(bufnr)
@@ -85,9 +80,11 @@ local function lsp_keymaps(bufnr)
 end
 
 M.on_attach = function(client, bufnr)
-  if client.name == "tsserver" then
-    client.resolved_capabilities.document_formatting = false
-  end
+-- vim.notify(client.name .. " starting...")
+-- TODO: refactor this into a method that checks if string in list
+--   if client.name == "tsserver" then
+--     client.resolved_capabilities.document_formatting = false
+--   end
   lsp_keymaps(bufnr)
   lsp_highlight_document(client)
 end