[neovim] Initial LSP configuration

neovim/.config/nvim/init.lua

@@ -119,8 +119,15 @@ map("n", "<leader>lc", function()
     vim.wo.list = not vim.wo.list
 end)
 
+-- Hightlight copied text
+vim.api.nvim_create_autocmd("TextYankPost", {
+    callback = function() vim.highlight.on_yank() end
+})
+
+
 -- [[ PLUGINS ]] --
 
+-- Install plugins
 vim.pack.add({
     -- Colorscheme
     "https://github.com/blazkowolf/gruber-darker.nvim",
@@ -131,9 +138,6 @@ vim.pack.add({
     -- Fuzzy finder
     "https://github.com/echasnovski/mini.pick",
 
-    -- Advanced undo tree
-    "https://github.com/mbbill/undotree",
-
     -- Git integration
     "https://github.com/tpope/vim-fugitive",
     "https://github.com/lewis6991/gitsigns.nvim",
@@ -154,10 +158,17 @@ vim.pack.add({
    { src = "https://github.com/nvim-neo-tree/neo-tree.nvim", version = vim.version.range("3") },
    "https://github.com/nvim-lua/plenary.nvim",
    "https://github.com/MunifTanjim/nui.nvim",
-   "https://github.com/nvim-tree/nvim-web-devicons"
-})
+   "https://github.com/nvim-tree/nvim-web-devicons",
 
--- Load plugins
+   -- LSP
+   "https://github.com/neovim/nvim-lspconfig",
+   "https://github.com/mason-org/mason.nvim",
+   "https://github.com/mason-org/mason-lspconfig.nvim",
+})
+vim.cmd.packadd("nvim.undotree")
+vim.cmd.packadd("nvim.difftool")
+
+-- Configure plugins
 cmd.colorscheme("gruber-darker")
 require("mini.pick").setup()
 require("multiple-cursors").setup()
@@ -173,12 +184,35 @@ require("neo-tree").setup({
         width = 32
     }
 })
+require("mason").setup()
+require("mason-lspconfig").setup()
+vim.lsp.config("lua_ls", {
+    settings = {
+        Lua = {
+            runtime = {
+                version = "LuaJIT",
+            },
+            diagnostics = {
+                globals = {
+                    "vim",
+                    "require"
+                },
+            },
+            workspace = {
+                library = vim.api.nvim_get_runtime_file("", true),
+            },
+            telemetry = {
+                enable = false,
+            }
+        }
+    }
+})
 
 -- Plugin keymaps
 map("n", "<leader>f", ":Pick files<CR>")
 map("n", "<leader>b", ":Pick buffers<CR>")
 
-map("n", "<leader>u", ":UndotreeToggle<CR>")
+map("n", "<leader>u", ":Undotree<CR>")
 map("n", "<leader>gs", ":Git<CR>")
 
 map("n", "<leader>gt", ":Gitsigns toggle_signs<CR>")