some lsp configuration

lua/config/autocmds.lua

@@ -0,0 +1,65 @@
+vim.api.nvim_create_autocmd('TextYankPost', {
+    desc = 'Highlight when yanking (copying) text',
+    group = vim.api.nvim_create_augroup('kickstart-highlight-yank', { clear = true }),
+    callback = function()
+        vim.highlight.on_yank()
+    end,
+})
+
+vim.api.nvim_create_autocmd("LspAttach", {
+    group = vim.api.nvim_create_augroup('lsp-attach', { clear = true }),
+    callback = function(event)
+                    -- shortcut for vim.keymap.set
+        local map = function(keys, func, desc)
+            vim.keymap.set("n", keys, func, { buffer = event.buf, desc = "LSP: " .. desc })
+        end
+
+        -- defaults:
+        -- https://neovim.io/doc/user/news-0.11.html#_defaults
+
+        map("gl", vim.diagnostic.open_float, "Open Diagnostic Float")
+        map("K", vim.lsp.buf.hover, "Hover Documentation")
+        map("gs", vim.lsp.buf.signature_help, "Signature Documentation")
+        map("gD", vim.lsp.buf.declaration, "Goto Declaration")
+        map("<leader>la", vim.lsp.buf.code_action, "Code Action")
+        map("<leader>lr", vim.lsp.buf.rename, "Rename all references")
+        map("<leader>lf", vim.lsp.buf.format, "Format")
+        map("<leader>v", "<cmd>vsplit | lua vim.lsp.buf.definition()<cr>", "Goto Definition in Vertical Split")
+
+        local function client_supports_method(client, method, bufnr)
+            if vim.fn.has 'nvim-0.11' == 1 then
+                return client:supports_method(method, bufnr)
+            else
+                return client.supports_method(method, { bufnr = bufnr })
+            end
+        end
+
+        local client = vim.lsp.get_client_by_id(event.data.client_id)
+        if client and client_supports_method(client, vim.lsp.protocol.Methods.textDocument_documentHighlight, event.buf) then
+            local highlight_augroup = vim.api.nvim_create_augroup('lsp-highlight', { clear = false })
+
+            -- When cursor stops moving: Highlights all instances of the symbol under the cursor
+            -- When cursor moves: Clears the highlighting
+            vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
+                buffer = event.buf,
+                group = highlight_augroup,
+                callback = vim.lsp.buf.document_highlight,
+            })
+            vim.api.nvim_create_autocmd({ 'CursorMoved', 'CursorMovedI' }, {
+                buffer = event.buf,
+                group = highlight_augroup,
+                callback = vim.lsp.buf.clear_references,
+            })
+
+            -- When LSP detaches: Clears the highlighting
+            vim.api.nvim_create_autocmd('LspDetach', {
+                group = vim.api.nvim_create_augroup('lsp-detach', { clear = true }),
+                callback = function(event2)
+                    vim.lsp.buf.clear_references()
+                    vim.api.nvim_clear_autocmds { group = 'lsp-highlight', buffer = event2.buf }
+                end,
+            })
+        end
+    end,
+
+})

lua/config/lsp.lua

@@ -0,0 +1,25 @@
+-- see lua/plugins/mason-lspconfig for enabled servers
+
+vim.diagnostic.config({
+    virtual_lines = true,
+    -- virtual_text = true,
+    underline = true,
+    update_in_insert = false,
+    severity_sort = true,
+    float = {
+        border = "rounded",
+        source = true,
+    },
+    signs = {
+        text = {
+            [vim.diagnostic.severity.ERROR] = "󰅚 ",
+            [vim.diagnostic.severity.WARN] = "󰀪 ",
+            [vim.diagnostic.severity.INFO] = "󰋽 ",
+            [vim.diagnostic.severity.HINT] = "󰌶 ",
+        },
+        numhl = {
+            [vim.diagnostic.severity.ERROR] = "ErrorMsg",
+            [vim.diagnostic.severity.WARN] = "WarningMsg",
+        },
+    },
+})