switch to lsp-zero

init.lua

@@ -2,6 +2,4 @@ require('plugins') 	-- Setup packer.nvim and install plugins
 require('nvim_opts')	-- Basic vim options
 require('autocmd')	-- Convenient Autocommands
 require('lsp')
-require('keybindings')
-require('nvim-cmp-cfg')
 require('ts_config')

lua/keybindings.lua

@@ -52,33 +52,33 @@ map('n', '<leader>gl', '<cmd>diffget //3<CR>', options) -- merge from right pane
 -- Use an on_attach function to only map the following keys
 -- after the language server attaches to the current buffer
 local on_attach = function(client, bufnr)
-	local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
-	local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
-
-	-- Enable completion triggered by <c-x><c-o>
-	buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
-
-	-- Mappings.
-	local opts = { noremap=true, silent=true }
-
-
-	map('n', 'gD', function() vim.lsp.buf.declaration() end, options)
-	map('n', 'gd', function() vim.lsp.buf.definition() end, options)
-	map('n', '<leader>k', function() vim.lsp.buf.hover() end, options)
-	map('n', '<leader>s', function() vim.lsp.buf.signature_help() end, options)
-	map('n', '<leader>r', function() vim.lsp.buf.rename() end, options)
-	map('n', '<leader>a', function() vim.lsp.buf.code_action() end, options)
-	map('n', 'gr', function() vim.lsp.buf.references() end, options)
-	map('n', '<leader>d', function() vim.diagnostic.open_float() end, options)
-	map('n', '[d', function() vim.diagnostic.goto_prev() end, options)
-	map('n', ']d', function() vim.diagnostic.goto_next() end, options)
-	map('n', '<leader>Q', function() vim.diagnostic.set_qflist() end, options)
-	map('n', '<leader>F', function() vim.lsp.buf.format() end, options)
-
+	local opts = { buffer = bufnr, remap = false }
+
+	vim.keymap.set('n', 'gd', function() vim.lsp.buf.definition() end, opts)
+	vim.keymap.set('n', '<leader>k', function() vim.lsp.buf.hover() end, opts)
+	vim.keymap.set('n', '<leader>r', function() vim.lsp.buf.rename() end, opts)
+	vim.keymap.set('n', '<leader>a', function() vim.lsp.buf.code_action() end, opts)
+	vim.keymap.set('n', 'gr', function() vim.lsp.buf.references() end, opts)
+	vim.keymap.set('n', '<leader>d', function() vim.diagnostic.open_float() end, opts)
+	vim.keymap.set('n', '[d', function() vim.diagnostic.goto_prev() end, opts)
+	vim.keymap.set('n', ']d', function() vim.diagnostic.goto_next() end, opts)
+	vim.keymap.set('n', '<leader>Q', function() vim.diagnostic.set_qflist() end, opts)
+	vim.keymap.set('n', '<leader>F', function() vim.lsp.buf.format() end, opts)
 end
 
--- Code actions
--- TODO: Generalize to LSP or only attach on Rust buffers
-map('n', '<leader>t', '<cmd>RustTest<CR>', options) -- Run test under cursor
+local cmp_mappings = function ()
+	local cmp = require('cmp')
+	return {
+		['<C-j>'] = cmp.mapping.scroll_docs(4),
+		['<C-k>'] = cmp.mapping.scroll_docs(-4),
+		['<C-Space>'] = cmp.mapping.complete(),
+		['<C-p>'] = cmp.mapping.select_prev_item(cmp_select),
+		['<C-n>'] = cmp.mapping.select_next_item(cmp_select),
+		['<CR>'] = cmp.mapping.confirm {
+			behavior = cmp.ConfirmBehavior.Replace,
+			select = true,
+		},
+	}
+end
 
-return { on_attach = on_attach }
+return { on_attach = on_attach, cmp_mappings = cmp_mappings }

lua/lsp.lua

@@ -1,18 +1,40 @@
-local on_attach = require'keybindings'.on_attach
--- Add additional capabilities supported by nvim-cmp
-local capabilities = vim.lsp.protocol.make_client_capabilities()
-capabilities = require('cmp_nvim_lsp').default_capabilities(capabilities)
-
-local lspconfig = require('lspconfig')
-
--- SERVERS
--- rust_analyzer
-vim.g.rustfmt_autosave = 1
-lspconfig.rust_analyzer.setup{
-	on_attach = on_attach,
-	capabilities = capabilities,
+local lsp = require('lsp-zero').preset({
+  name = 'minimal',
+  set_lsp_keymaps = false,
+  manage_nvim_cmp = false,
+  suggest_lsp_servers = false,
+})
+
+local keybindings = require('keybindings')
+local on_attach = keybindings.on_attach
+local cmp_mapping = keybindings.cmp_mappings
+
+lsp.on_attach(on_attach)
+
+local cmp = require('cmp')
+local cmp_config = lsp.defaults.cmp_config({
+	preselect = 'none',
+	window = {
+		completion = cmp.config.window.bordered(),
+		documentation = cmp.config.window.bordered(),
+	},
+	mapping = cmp.mapping.preset.insert(cmp_mappings),
+	sources = {
+		{ name = 'nvim_lsp' },
+		{ name = 'luasnip' },
+	},
+})
+cmp.setup(cmp_config)
+
+-- Configure lua language server for neovim
+lsp.nvim_workspace()
+
+lsp.configure('rust_analyzer', {
 	settings = {
 		["rust-analyzer"] = {
+			cargo = {
+				features = "all",
+			},
 			procMacro = {
 				enable = true,
 			},
@@ -20,17 +42,18 @@ lspconfig.rust_analyzer.setup{
 				command = 'clippy',
 				extraArgs = { "--", "-W", "clippy::pedantic" }
 			},
+		},
 	}
-	}
-}
-
-lspconfig.gopls.setup {
-	on_attach = on_attach,
-	capabilities=capabilities,
-}
-
--- clangd
-lspconfig.clangd.setup{
-	on_attach = on_attach,
-	capabilities = capabilities,
-}
+})
+
+lsp.configure('tsserver', {
+	cmd = { "npx", "typescript-language-server", "--stdio" },
+})
+
+lsp.configure('html', {
+	cmd = { "npx", "vscode-html-language-server", "--stdio" },
+})
+
+lsp.setup_servers({'tsserver', 'rust_analyzer', 'html'})
+
+lsp.setup()

lua/nvim_opts.lua

@@ -1,4 +1,4 @@
-local o = vim.o  -- global
+local o = vim.o  -- globalopts
 local g = vim.g  -- global 2?
 local wo = vim.wo -- window local
 local bo = vim.bo -- buffer local
@@ -43,3 +43,5 @@ o.dir = '/tmp'
 
 -- Buffers
 o.hidden = true -- Allow hidden buffers without saving
+
+vim.opt.completeopt = {'menu','menuone','noselect'}

lua/plugins.lua

@@ -17,31 +17,28 @@ local plugins = require('packer').startup(function(use)
 	-- git
 	use 'tpope/vim-fugitive'
 
-	-- LSP
-	use 'neovim/nvim-lspconfig' -- Common lsp server configurations
-	use {
-		'hrsh7th/nvim-cmp',
-	} -- Autocompletion plugin
-	use 'hrsh7th/cmp-nvim-lsp' -- LSP source for nvim-cmp
-
-	-- LSP Extensions
-	use 'nvim-lua/lsp_extensions.nvim'
-
-	-- Snippets (required for nvim-cmp)
-	use 'L3MON4D3/LuaSnip'
-	use {
-		'saadparwaiz1/cmp_luasnip',
-		commit = 'b10829736542e7cc9291e60bab134df1273165c9',
-	}
-
 	use {
         'nvim-treesitter/nvim-treesitter',
         run = ':TSUpdate'
     }
 
-	-- Language Specfic
-	use 'rust-lang/rust.vim'
-	use 'https://git.sr.ht/~sircmpwn/hare.vim'
+	-- lsp
+	use {
+		'VonHeikemen/lsp-zero.nvim',
+		branch = 'v1.x',
+		requires = {
+			-- LSP Support
+			{'neovim/nvim-lspconfig'}, 
+	
+			-- Autocompletion
+			{'hrsh7th/nvim-cmp'}, 
+			{'hrsh7th/cmp-nvim-lsp'},
+			{'hrsh7th/cmp-buffer'},       -- Optional
+
+			-- Snippets
+			{'L3MON4D3/LuaSnip'},
+		},
+	}
 
   if packer_bootstrap then
     require('packer').sync()