put lsp keymaps in on_attach function

lua/setup/lsp.lua

@@ -33,6 +33,54 @@ require("mason-lspconfig").setup({
 	},
 })
 
+local on_attach = function()
+	vim.api.nvim_create_autocmd("LspAttach", {
+		desc = "LSP actions",
+		callback = function()
+			local bufmap = function(mode, lhs, rhs)
+				local opts = { buffer = true }
+				vim.keymap.set(mode, lhs, rhs, opts)
+			end
+
+			-- Displays hover information about the symbol under the cursor
+			bufmap("n", "K", "<cmd>lua vim.lsp.buf.hover()<cr>")
+
+			-- Jump to the definition
+			bufmap("n", "gd", "<cmd>lua vim.lsp.buf.definition()<cr>")
+
+			-- Jump to declaration
+			bufmap("n", "gD", "<cmd>lua vim.lsp.buf.declaration()<cr>")
+
+			-- Lists all the implementations for the symbol under the cursor
+			bufmap("n", "gi", "<cmd>lua vim.lsp.buf.implementation()<cr>")
+
+			-- Jumps to the definition of the type symbol
+			bufmap("n", "go", "<cmd>lua vim.lsp.buf.type_definition()<cr>")
+
+			-- Lists all the references
+			bufmap("n", "gr", "<cmd>lua vim.lsp.buf.references()<cr>")
+
+			-- Displays a function's signature information
+			bufmap("n", "gs", "<cmd>lua vim.lsp.buf.signature_help()<cr>")
+
+			-- Renames all references to the symbol under the cursor
+			bufmap("n", "<F2>", "<cmd>lua vim.lsp.buf.rename()<cr>")
+
+			-- Selects a code action available at the current cursor position
+			bufmap("n", "<F4>", "<cmd>lua vim.lsp.buf.code_action()<cr>")
+
+			-- Show diagnostics in a floating window
+			bufmap("n", "gl", "<cmd>lua vim.diagnostic.open_float()<cr>")
+
+			-- Move to the previous diagnostic
+			bufmap("n", "nd", "<cmd>lua vim.diagnostic.goto_prev()<cr>")
+
+			-- Move to the next diagnostic
+			bufmap("n", "nd", "<cmd>lua vim.diagnostic.goto_next()<cr>")
+		end,
+	})
+end
+
 local lspconfig = require("lspconfig")
 
 require("mason-lspconfig").setup_handlers({
@@ -55,6 +103,7 @@ require("mason-lspconfig").setup_handlers({
 	["lua_ls"] = function()
 		lspconfig.lua_ls.setup({
 			capabilities = lsp_capabilities,
+			on_attach = on_attach,
 			settings = require("config.lsp.servers.lua").settings,
 		})
 	end,