refactor nvim config

config/nvim/lua/aleidk/IDE/lsp.lua

@@ -0,0 +1,139 @@
+-- LSP settings.
+--  This function gets run when an LSP connects to a particular buffer.
+local on_attach = function(_, bufnr)
+	-- NOTE: Remember that lua is a real programming language, and as such it is possible
+	-- to define small helper and utility functions so you don't have to repeat yourself
+	-- many times.
+	--
+	-- In this case, we create a function that lets us more easily define mappings specific
+	-- for LSP related items. It sets the mode, buffer and description for us each time.
+	local nmap = function(keys, func, desc)
+		if desc then
+			desc = "LSP: " .. desc
+		end
+
+		vim.keymap.set("n", keys, func, { buffer = bufnr, desc = desc })
+	end
+
+	nmap("<leader>rn", vim.lsp.buf.rename, "[R]e[n]ame")
+	nmap("<leader>ca", vim.lsp.buf.code_action, "[C]ode [A]ction")
+
+	nmap("gd", vim.lsp.buf.definition, "[G]oto [D]efinition")
+	nmap("gr", require("telescope.builtin").lsp_references, "[G]oto [R]eferences")
+	nmap("gI", vim.lsp.buf.implementation, "[G]oto [I]mplementation")
+	nmap("<leader>D", vim.lsp.buf.type_definition, "Type [D]efinition")
+	nmap("<leader>ds", require("telescope.builtin").lsp_document_symbols, "[D]ocument [S]ymbols")
+	nmap("<leader>ws", require("telescope.builtin").lsp_dynamic_workspace_symbols, "[W]orkspace [S]ymbols")
+
+	-- See `:help K` for why this keymap
+	nmap("K", vim.lsp.buf.hover, "Hover Documentation")
+	nmap("<C-k>", vim.lsp.buf.signature_help, "Signature Documentation")
+
+	-- Lesser used LSP functionality
+	nmap("gD", vim.lsp.buf.declaration, "[G]oto [D]eclaration")
+	nmap("<leader>wa", vim.lsp.buf.add_workspace_folder, "[W]orkspace [A]dd Folder")
+	nmap("<leader>wr", vim.lsp.buf.remove_workspace_folder, "[W]orkspace [R]emove Folder")
+	nmap("<leader>wl", function()
+		print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
+	end, "[W]orkspace [L]ist Folders")
+
+	-- Create a command `:Format` local to the LSP buffer
+	vim.api.nvim_buf_create_user_command(bufnr, "Format", function(_)
+		vim.lsp.buf.format()
+	end, { desc = "Format current buffer with LSP" })
+end
+
+-- Enable the following language servers
+--  Feel free to add/remove any LSPs that you want here. They will automatically be installed.
+--
+--  Add any additional override configuration in the following tables. They will be passed to
+--  the `settings` field of the server config. You must look up that documentation yourself.
+local servers = {
+	-- clangd = {},
+	-- gopls = {},
+	-- pyright = {},
+	-- rust_analyzer = {},
+	-- tsserver = {},
+
+	lua_ls = {
+		Lua = {
+			workspace = { checkThirdParty = false },
+			telemetry = { enable = false },
+		},
+	},
+}
+
+-- Diagnostic keymaps
+vim.keymap.set("n", "[d", vim.diagnostic.goto_prev, { desc = "Go to previous diagnostic message" })
+vim.keymap.set("n", "]d", vim.diagnostic.goto_next, { desc = "Go to next diagnostic message" })
+vim.keymap.set("n", "<leader>e", vim.diagnostic.open_float, { desc = "Open floating diagnostic message" })
+vim.keymap.set("n", "<leader>q", vim.diagnostic.setloclist, { desc = "Open diagnostics list" })
+
+-- Setup neovim lua configuration
+require("neodev").setup()
+
+-- nvim-cmp supports additional completion capabilities, so broadcast that to servers
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+capabilities = require("cmp_nvim_lsp").default_capabilities(capabilities)
+
+-- Ensure the servers above are installed
+local mason_lspconfig = require("mason-lspconfig")
+
+mason_lspconfig.setup({
+	ensure_installed = vim.tbl_keys(servers),
+})
+
+mason_lspconfig.setup_handlers({
+	function(server_name)
+		require("lspconfig")[server_name].setup({
+			capabilities = capabilities,
+			on_attach = on_attach,
+			settings = servers[server_name],
+		})
+	end,
+})
+
+-- nvim-cmp setup
+local cmp = require("cmp")
+local luasnip = require("luasnip")
+
+luasnip.config.setup({})
+
+cmp.setup({
+	snippet = {
+		expand = function(args)
+			luasnip.lsp_expand(args.body)
+		end,
+	},
+	mapping = cmp.mapping.preset.insert({
+		["<C-d>"] = cmp.mapping.scroll_docs(-4),
+		["<C-f>"] = cmp.mapping.scroll_docs(4),
+		["<C-Space>"] = cmp.mapping.complete({}),
+		["<CR>"] = cmp.mapping.confirm({
+			behavior = cmp.ConfirmBehavior.Replace,
+			select = true,
+		}),
+		["<Tab>"] = cmp.mapping(function(fallback)
+			if cmp.visible() then
+				cmp.select_next_item()
+			elseif luasnip.expand_or_jumpable() then
+				luasnip.expand_or_jump()
+			else
+				fallback()
+			end
+		end, { "i", "s" }),
+		["<S-Tab>"] = cmp.mapping(function(fallback)
+			if cmp.visible() then
+				cmp.select_prev_item()
+			elseif luasnip.jumpable(-1) then
+				luasnip.jump(-1)
+			else
+				fallback()
+			end
+		end, { "i", "s" }),
+	}),
+	sources = {
+		{ name = "nvim_lsp" },
+		{ name = "luasnip" },
+	},
+})