nvim: refactor diagnostic configuration

.config/nvim/plugin/lsp.lua

@@ -75,6 +75,23 @@ local servers = {
 -------------
 -- Helpers --
 -------------
+vim.diagnostic.config {
+    signs = {
+        text = {
+            [vim.diagnostic.severity.ERROR] = "E",
+            [vim.diagnostic.severity.WARN] = "W",
+            [vim.diagnostic.severity.INFO] = "H",
+            [vim.diagnostic.severity.HINT] = "·",
+        },
+    },
+    severity_sort = true,
+    underline = {
+        severity = {
+            vim.diagnostic.severity.ERROR,
+            vim.diagnostic.severity.WARN,
+        },
+    },
+}
 
 -- Helix style border
 local border = {
@@ -94,18 +111,9 @@ function vim.lsp.util.open_floating_preview(contents, syntax, opts, ...)
     return orig_util_open_floating_preview(contents, syntax, opts, ...)
 end
 
--- Diagnostic display configuration
-vim.diagnostic.config { virtual_text = false, severity_sort = true }
-
 -- Set log level
 vim.lsp.set_log_level("off")
 
--- Gutter symbols setup
-vim.fn.sign_define("DiagnosticSignError", { text = "E", texthl = "DiagnosticSignError", numhl = "DiagnosticSignError" })
-vim.fn.sign_define("DiagnosticSignWarn", { text = "W", texthl = "DiagnosticSignWarn", numhl = "DiagnosticSignWarn" })
-vim.fn.sign_define("DiagnosticSignHint", { text = "H", texthl = "DiagnosticSignHint", numhl = "DiagnosticSignHint" })
-vim.fn.sign_define("DiagnosticSignInfo", { text = "·", texthl = "DiagnosticSignInfo", numhl = "DiagnosticSignInfo" })
-
 -- Capabilities
 local capabilities = vim.lsp.protocol.make_client_capabilities()
 capabilities = require("cmp_nvim_lsp").default_capabilities(capabilities)
@@ -115,8 +123,7 @@ capabilities = require("cmp_nvim_lsp").default_capabilities(capabilities)
 ----------
 require("fidget").setup()
 
-
-local mylsp = require('lsp')
+local mylsp = require("lsp")
 
 for name, config in pairs(servers) do
     require("lspconfig")[name].setup {