feat: made it easier to integrate with trouble

lua/trouble/providers/init.lua

@@ -20,6 +20,14 @@ function M.get(win, buf, cb, options)
     local name = options.mode
     local provider = M.providers[name]
 
+    if not provider then
+        local ok, mod = pcall(require, "trouble.providers." .. name)
+        if ok then
+            M.providers[name] = mod
+            provider = mod
+        end
+    end
+
     if not provider then
         util.error(("invalid provider %q"):format(name))
         return {}

lua/trouble/renderer.lua

@@ -103,14 +103,16 @@ function renderer.render_diagnostics(view, text, items)
     for _, diag in ipairs(items) do
         view.items[text.lineNr + 1] = diag
 
-        local sign = signs[string.lower(diag.type)]
+        local sign = diag.sign or signs[string.lower(diag.type)]
         if not sign then sign = diag.type end
 
         local indent = "     "
         if config.options.indent_lines then indent = " │   " end
 
+        local sign_hl = diag.sign_hl or ("LspTroubleSign" .. diag.type)
+
         text:render(indent, "Indent")
-        text:render(sign .. "  ", "Sign" .. diag.type)
+        text:render(sign .. "  ", sign_hl, {exact = true})
         text:render(diag.text, "Text" .. diag.type, " ")
         -- text:render(diag.type, diag.type, " ")
 

lua/trouble/util.lua

@@ -79,6 +79,8 @@ function M.process_item(item, bufnr)
         col = col + 1,
         start = start,
         finish = finish,
+        sign = item.sign,
+        sign_hl = item.sign_hl,
         -- remove line break to avoid display issues
         text = vim.trim(item.message:gsub("[\n]", "")):sub(0, vim.o.columns),
         line = line,