Add undotree plugin and update lsp config

after/plugin/lsp.lua

@@ -10,23 +10,38 @@ lsp.nvim_workspace()
 
 local cmp = require("cmp")
 local cmp_select = { behavior = cmp.SelectBehavior.Select }
-
-lsp.setup_nvim_cmp({
-    mapping = lsp.defaults.cmp_mappings({
+local cmp_mapping = lsp.defaults.cmp_mappings({
         ["<C-p>"] = cmp.mapping.select_prev_item(cmp_select),
         ["<C-n>"] = cmp.mapping.select_next_item(cmp_select),
+        ["<CR>"] = cmp.mapping.confirm({ select = true }),
         ["<C-Space>"] = cmp.mapping.complete(),
-    })
 })
 
-lsp.on_attach(function(client,  buffnr)
-    lsp.default_keymaps({ buffer = buffnr })
+lsp.setup_nvim_cmp({ mapping = cmp_mapping })
+
+-- Gimme pretty icons
+lsp.set_sign_icons({
+  error = '✘',
+  warn = '▲',
+  hint = '⚑',
+  info = '»'
+})
+
+lsp.on_attach(function(_,  buffnr)
+    local opts = { buffer = buffnr, remap = false }
+
+    vim.keymap.set("n", "gd", vim.lsp.buf.definition, opts)
+    vim.keymap.set("n", "gr", vim.lsp.buf.references, opts)
+    vim.keymap.set("n", "K", vim.lsp.buf.hover, opts)
+    vim.keymap.set("n", "<Leader>re", vim.lsp.buf.rename, opts)
+    vim.keymap.set({"n", "i"}, "<C-h>", vim.lsp.buf.signature_help, opts)
 
     vim.keymap.set("n", "<Leader>fmt", function()
         vim.lsp.buf.format({ async = false, timeout_ms =  5000 })
     end)
 end)
 
+
 -- NOTE: Format on save does not support async formatting
 lsp.format_on_save({
     servers = {
@@ -34,5 +49,4 @@ lsp.format_on_save({
     }
 })
 
-
 lsp.setup()

after/plugin/undotree.lua

@@ -0,0 +1,3 @@
+local undotree = require("undotree")
+
+vim.keymap.set("n", "<Leader>u", undotree.toggle, { noremap = true, silent = true })

lua/valeth/init.lua

@@ -23,3 +23,12 @@ vim.keymap.set({"n", "v", "i"}, "<C-s>", "<cmd>w<CR>")
 vim.keymap.set({"n", "v"}, "<F1>", "<NOP>")
 vim.keymap.set("n", "s", "<NOP>")
 
+
+-- Some nice remaps (thanks Prime)
+
+-- Move selected lines up or down
+vim.keymap.set("v", "J", ":move '>+1<CR>gv=gv")
+vim.keymap.set("v", "K", ":move '<-2<CR>gv=gv")
+
+-- Join lines without moving the cursor
+vim.keymap.set("n", "J", "mzJ`z")

lua/valeth/packer.lua

@@ -17,12 +17,15 @@ return require("packer").startup(function(use)
         "VonHeikemen/lsp-zero.nvim",
         branch = "v2.x",
         requires = {
-            {"neovim/nvim-lspconfig"},
-            {"hrsh7th/nvim-cmp"},
-            {"hrsh7th/cmp-nvim-lsp"},
-            {"hrsh7th/cmp-path"},
-            {"williamboman/mason.nvim"},
-            {"williamboman/mason-lspconfig.nvim"},
+            { "neovim/nvim-lspconfig" },
+            { "hrsh7th/nvim-cmp" },
+            { "hrsh7th/cmp-nvim-lsp" },
+            { "hrsh7th/cmp-path" },
+            { "saadparwaiz1/cmp_luasnip" },
+            { "L3MON4D3/LuaSnip" },
+            { "rafamadriz/friendly-snippets" },
+            { "williamboman/mason.nvim" },
+            { "williamboman/mason-lspconfig.nvim" },
         }
     }
 
@@ -34,7 +37,7 @@ return require("packer").startup(function(use)
     use {
         "CantoroMC/ayu-nvim",
         config = function()
-            vim.cmd("colorscheme ayu")
+            vim.cmd.colorscheme("ayu")
         end
     }
 
@@ -59,8 +62,19 @@ return require("packer").startup(function(use)
 
     use {
         "windwp/nvim-autopairs",
+        requires = {
+            { "hrsh7th/nvim-cmp" },
+        },
         config = function()
-            require("nvim-autopairs").setup()
+            local ap = require("nvim-autopairs")
+            local ap_cmp = require("nvim-autopairs.completion.cmp")
+            local cmp = require("cmp")
+
+            cmp.event:on("confirm_done", ap_cmp.on_confirm_done())
+
+            ap.setup {
+                check_ts = true
+            }
         end
     }
 
@@ -71,8 +85,8 @@ return require("packer").startup(function(use)
         "nvim-telescope/telescope.nvim",
         tag = "0.1.1",
         requires = {
-            {"nvim-lua/plenary.nvim"},
-            {"nvim-treesitter/nvim-treesitter"},
+            { "nvim-lua/plenary.nvim" },
+            { "nvim-treesitter/nvim-treesitter" },
         },
         config = function()
             require("telescope").load_extension("harpoon")
@@ -82,8 +96,17 @@ return require("packer").startup(function(use)
     use {
         "ThePrimeagen/harpoon",
         requires = {
-            {"nvim-lua/plenary.nvim"},
+            { "nvim-lua/plenary.nvim" },
         }
     }
 
+    use {
+        "jiaoshijie/undotree",
+        requires = {
+            "nvim-lua/plenary.nvim"
+        },
+        config = function()
+            require("undotree").setup()
+        end
+    }
 end)