fix: rename callbacks to handlers (#268)

Author: tjdevries

lua/completion/hover.lua

@@ -246,10 +246,10 @@ local fancy_floating_markdown = function(contents, opts)
   return bufnr, winnr
 end
 
-local callback = 'textDocument/hover'
-M.default_callback = vim.lsp.callbacks[callback]
+local handler = 'textDocument/hover'
+M.default_handler = vim.lsp.handlers[handler]
 
-local function callback_function(_, method, result)
+local function handler_function(_, method, result)
   -- if M.winnr ~= nil and api.nvim_win_is_valid(M.winnr) then
     -- api.nvim_win_close(M.winnr, true)
   -- end
@@ -297,16 +297,16 @@ local function callback_function(_, method, result)
       return bufnr, winnr
     end)
   else
-    M.default_callback(_, method, result, _)
+    M.default_handler(_, method, result, _)
   end
 end
 
 M.autoOpenHoverInPopup = function()
   if vim.fn.pumvisible() ~= 1 then return end
   for _, client in pairs(vim.lsp.buf_get_clients(0)) do
-    local default_callback = client.config.callbacks['textDocument/hover'] or vim.lsp.callbacks['textDocument/hover']
-    if default_callback ~= callback_function then
-      client.config.callbacks['textDocument/hover'] = callback_function
+    local default_handler = (client.config.handlers or {})['textDocument/hover'] or vim.lsp.handlers['textDocument/hover']
+    if default_handler ~= handler_function then
+      client.config.handlers['textDocument/hover'] = handler_function
     end
   end
 

lua/completion/signature_help.lua

@@ -30,9 +30,9 @@ M.autoOpenSignatureHelp = function()
     local params = vim.lsp.util.make_position_params()
     vim.lsp.buf_request(0, 'textDocument/signatureHelp', params, function(err, method, result, client_id)
       local client = vim.lsp.get_client_by_id(client_id)
-      local callback = client and client.callbacks['textDocument/signatureHelp']
-      if callback then
-          callback(err, method, result, client_id)
+      local handler = client and client.handler['textDocument/signatureHelp']
+      if handler then
+          handler(err, method, result, client_id)
           return
       end
       if not (result and result.signatures and result.signatures[1]) then