feat(diagnostics): added support for setting prefix = "icons". Check the docs on how to enable

lua/lazyvim/plugins/lsp/init.lua

@@ -25,6 +25,9 @@ return {
           spacing = 4,
           source = "if_many",
           prefix = "●",
+          -- this will set set the prefix to a function that returns the diagnostics icon based on the severity
+          -- this only works on a recent 0.10.0 build. Will be set to "●" when not supported
+          -- prefix = "icons",
         },
         severity_sort = true,
       },
@@ -83,6 +86,19 @@ return {
         name = "DiagnosticSign" .. name
         vim.fn.sign_define(name, { text = icon, texthl = name, numhl = "" })
       end
+
+      if opts.diagnostics.virtual_text.prefix == "icons" then
+        opts.diagnostics.virtual_text.prefix = vim.fn.has("nvim-0.10.0") == 0 and "●"
+          or function(diagnostic)
+            local icons = require("lazyvim.config").icons.diagnostics
+            for d, icon in pairs(icons) do
+              if diagnostic.severity == vim.diagnostic.severity[d:upper()] then
+                return icon
+              end
+            end
+          end
+      end
+
       vim.diagnostic.config(opts.diagnostics)
 
       local servers = opts.servers