Even more lsp configuration for nvim

Author: re1

nvim/.config/nvim/.luarc.json

@@ -0,0 +1,12 @@
+{
+  "runtime.version": "LuaJIT",
+  "runtime.path": [
+    "lua/?.lua",
+    "lua/?/init.lua"
+  ],
+  "diagnostics.globals": ["vim"],
+  "workspace.checkThirdParty": false,
+  "workspace.library": [
+    "$VIMRUNTIME"
+  ]
+}

nvim/.config/nvim/plugin/lsp.lua

@@ -0,0 +1,94 @@
+-- Reserve a space in the gutter to avoid layout shift
+vim.opt.signcolumn = "yes"
+
+-- Add cmp_nvim_lsp capabilities settings to lspconfig
+-- This should be executed before you configure any language server
+local lspconfig_defaults = require("lspconfig").util.default_config
+lspconfig_defaults.capabilities =
+	vim.tbl_deep_extend("force", lspconfig_defaults.capabilities, require("cmp_nvim_lsp").default_capabilities())
+
+-- Configuration for when a language server is active in the file
+vim.api.nvim_create_autocmd("LspAttach", {
+	desc = "LSP actions",
+	callback = function(event)
+		local opts = { buffer = event.buf }
+
+		vim.keymap.set("n", "K", "<cmd>lua vim.lsp.buf.hover()<cr>", opts)
+		vim.keymap.set("n", "gd", "<cmd>lua vim.lsp.buf.definition()<cr>", opts)
+		vim.keymap.set("n", "gD", "<cmd>lua vim.lsp.buf.declaration()<cr>", opts)
+		vim.keymap.set("n", "gi", "<cmd>lua vim.lsp.buf.implementation()<cr>", opts)
+		vim.keymap.set("n", "go", "<cmd>lua vim.lsp.buf.type_definition()<cr>", opts)
+		vim.keymap.set("n", "gr", "<cmd>lua vim.lsp.buf.references()<cr>", opts)
+		vim.keymap.set("n", "gs", "<cmd>lua vim.lsp.buf.signature_help()<cr>", opts)
+		vim.keymap.set("n", "<F2>", "<cmd>lua vim.lsp.buf.rename()<cr>", opts)
+		vim.keymap.set({ "n", "x" }, "<F3>", "<cmd>lua vim.lsp.buf.format({async = true})<cr>", opts)
+		vim.keymap.set("n", "<F4>", "<cmd>lua vim.lsp.buf.code_action()<cr>", opts)
+	end,
+})
+
+local cmp = require("cmp")
+
+cmp.setup({
+	sources = {
+		{ name = "nvim_lsp" },
+	},
+	window = {
+		completion = cmp.config.window.bordered(),
+		documentation = cmp.config.window.bordered(),
+	},
+	mapping = cmp.mapping.preset.insert({
+		-- Carriage return complete (usually Enter)
+		["<CR>"] = cmp.mapping.confirm({ select = true }),
+		-- Simple tab complete
+		["<Tab>"] = cmp.mapping(function(fallback)
+			local col = vim.fn.col(".") - 1
+
+			if cmp.visible() then
+				cmp.select_next_item({ behavior = "select" })
+			elseif col == 0 or vim.fn.getline("."):sub(col, col):match("%s") then
+				fallback()
+			else
+				cmp.complete()
+			end
+		end, { "i", "s" }),
+
+		-- Go to previous item
+		["<S-Tab>"] = cmp.mapping.select_prev_item({ behavior = "select" }),
+	}),
+	preselect = "item",
+	completion = {
+		completeopt = "menu,menuone,noinsert",
+	},
+})
+
+-- Borders for help windows
+vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, { border = "rounded" })
+
+vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, { border = "rounded" })
+
+-- Vim scripting
+require("lspconfig").lua_ls.setup({})
+
+-- Web development
+require("lspconfig").cssls.setup({})
+require("lspconfig").jsonls.setup({})
+require("lspconfig").html.setup({})
+require("lspconfig").denols.setup({})
+
+-- LaTeX
+require("lspconfig").texlab.setup({
+	settings = {
+		texlab = {
+			build = {
+				args = { "-pdf", "-interaction=nonstopmode", "-synctex=1", "-outdir=out", "%f" },
+			},
+			chktex = {
+				onOpenAndSave = true,
+			},
+		},
+	},
+})
+
+vim.g.markdown_fenced_languages = {
+	"ts=typescript",
+}