fix: work with older version of Neovim

dense-analysis · Dec 3, 2024 · 9b9c743 · 9b9c743
1 parent 69f45ea
commit 9b9c743
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/lua/ale/diagnostics.lua b/lua/ale/diagnostics.lua
@@ -68,7 +68,13 @@ module.sendAleResultsToDiagnostics = function(buffer, loclist)
   if set_signs == 1 and sign_priority then
     -- If signs are enabled, set the priority for them.
     local local_cfg = { priority = sign_priority }
-    local global_cfg = vim.diagnostic.config().signs
+    -- NOTE: vim.diagnostic.config() -- retrieving the current config values
+    -- fails in Neovim older than v0.7.0.
+    local ok, diag_cfg = pcall(vim.diagnostic.config)
+    if not ok or not diag_cfg then
+      diag_cfg = { signs = {} }
+    end
+    local global_cfg = diag_cfg.signs
 
     if type(global_cfg) == 'boolean' then
       signs = local_cfg