user/neovim: migrate to new lsp config syntax

res/config.lua

@@ -124,11 +124,15 @@ end
 vim.cmd('au FileType javascript setlocal indentexpr=v:lua.javascript_indent()')
 
 -- LSP
-local nvim_lsp = require('lspconfig')
+vim.api.nvim_create_autocmd("LspAttach", {
+    callback = function(args)
+        local client = vim.lsp.get_client_by_id(args.data.client_id)
+        if not client then
+            return
+        end
 
-local on_attach = function(client, bufnr)
+        local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(args.buf, ...) end
-    local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+        local function buf_set_option(...) vim.api.nvim_buf_set_option(args.buf, ...) end
-    local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
 
         local opts = { noremap = true, silent = true }
 
@@ -149,7 +153,8 @@ local on_attach = function(client, bufnr)
         buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
         buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
         buf_set_keymap('n', '<space>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
-end
+    end
+})
 
 vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
     vim.lsp.diagnostic.on_publish_diagnostics, {
@@ -164,17 +169,15 @@ vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(
     vim.lsp.handlers.signature_help, { focusable = false }
 )
 
-local capabilities = vim.lsp.protocol.make_client_capabilities()
-capabilities.textDocument.completion.completionItem.snippetSupport = true
 capabilities = require('cmp_nvim_lsp').default_capabilities(capabilities)
 
 local servers = { 'astro', 'clangd', 'cssls', 'html', 'nil_ls', 'tailwindcss', 'texlab', 'ts_ls', 'yamlls' }
 for _, lsp in ipairs(servers) do
-    nvim_lsp[lsp].setup {
+    vim.lsp.config(lsp, {
         capabilities = capabilities,
-        on_attach = on_attach,
         flags = { debounce_text_changes = 150 }
-    }
+    })
+    vim.lsp.enable(lsp)
 end
 
 -- nvim-cmp
@@ -224,15 +227,16 @@ cmp.setup {
 
 -- LSP/Omnisharp
 local pid = vim.fn.getpid()
-nvim_lsp.omnisharp.setup {
+vim.lsp.config("omnisharp", {
     capabilities = capabilities,
     on_attach = on_attach,
     flags = { debounce_text_changes = 150 },
     cmd = { "{{OMNISHARP_PATH}}", "--languageserver", "--hostPID", tostring(pid) }
-}
+})
+vim.lsp.enable("omnisharp")
 
 -- LSP/rust_analyzer
-nvim_lsp.rust_analyzer.setup {
+vim.lsp.config("rust_analyzer", {
     capabilities = capabilities,
     on_attach = on_attach,
     flags = { debounce_text_changes = 150 },
@@ -249,11 +253,11 @@ nvim_lsp.rust_analyzer.setup {
             }
         }
     }
-}
+})
-
+vim.lsp.enable("rust_analyzer")
 
 -- LSP/Diagnostics
-nvim_lsp.diagnosticls.setup {
+vim.lsp.config("diagnosticls", {
     capabilities = capabilities,
     on_attach = on_attach,
     flags = { debounce_text_changes = 150 },
@@ -289,7 +293,8 @@ nvim_lsp.diagnosticls.setup {
             vue = 'eslint'
         }
     }
-}
+})
+vim.lsp.enable("diagnosticls")
 
 -- LSP/Signatures
 require("lsp_signature").setup {