feat: Move 'LspAttach' autocmd boilerplate to dedicated library function

nvim/lua/lib/init.lua

@@ -1,6 +1,8 @@
 ---@class lib
 local M = {}
 
+M.lsp = require('lib.lsp')
+
 ---Find the root of a project based on `vim.g.root_spec`. Defaults to
 ---`{ '.git' }` if unset.
 ---@return string?

nvim/lua/lib/lsp.lua

@@ -0,0 +1,20 @@
+---@class lib.lsp
+local M = {}
+
+---Boilerplate to create an autocommand to do something on LspAttach.
+---@param callback fun(client:vim.lsp.Client, buffer:number)
+---@param name? string
+function M.on_attach(callback, name)
+  return vim.api.nvim_create_autocmd('LspAttach', {
+    callback = function(args)
+      local buffer = args.buf ---@type number
+      local client = vim.lsp.get_client_by_id(args.data.client_id)
+
+      if client and (not name or client.name == name) then
+        return callback(client, buffer)
+      end
+    end,
+  })
+end
+
+return M

nvim/lua/lsp.lua

@@ -82,25 +82,13 @@ vim.lsp.config('*', {
 vim.lsp.enable({ 'lua-language-server' })
 
 -- Keymaps -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-vim.api.nvim_create_autocmd('LspAttach', {
-  callback = function(args)
-    local client = vim.lsp.get_client_by_id(args.data.client_id)
-
-    if not client then
-      return
-    end
-
+MarleyVim.lsp.on_attach(function(client)
   local set = vim.keymap.set
 
   set('n', 'gD', vim.lsp.buf.declaration, { desc = 'declaration' })
   set('n', 'gI', vim.lsp.buf.implementation, { desc = 'implementation' })
 
-    set(
-      'n',
-      'gr',
-      vim.lsp.buf.references,
-      { desc = 'references', nowait = true }
-    )
+  set('n', 'gr', vim.lsp.buf.references, { desc = 'references', nowait = true })
 
   set('n', 'gy', vim.lsp.buf.type_definition, { desc = 'type definition' })
 
@@ -179,5 +167,4 @@ vim.api.nvim_create_autocmd('LspAttach', {
       Snacks.rename.rename_file()
     end, { desc = 'rename file' })
   end
-  end,
-})
+end)

nvim/lua/plugins/editor/fzf-lua.lua

@@ -248,14 +248,7 @@ return {
     require('fzf-lua').setup(opts)
 
     -- LSP keybinds.
-    vim.api.nvim_create_autocmd('LspAttach', {
-      callback = function(args)
-        local client = vim.lsp.get_client_by_id(args.data.client_id)
-
-        if not client then
-          return
-        end
-
+    MarleyVim.lsp.on_attach(function(client)
       local set = vim.keymap.set
 
       local pickOpts =
@@ -288,7 +281,6 @@ return {
           { desc = 'definition' }
         )
       end
-      end,
-    })
+    end)
   end,
 }