batman!

lua/config/plugins/lsp/servers/yamlls.lua

@@ -0,0 +1,21 @@
+return {
+  settings = {
+    yaml = {
+      schemaStore = {
+        -- You must disable built-in schemaStore support if you want to use
+        -- this plugin and its advanced options like `ignore`.
+        enable = false,
+        -- Avoid TypeError: Cannot read properties of undefined (reading 'length')
+        url = "",
+      },
+      schemas = require("schemastore").yaml.schemas({
+        -- additional schemas (not in the catalog)
+        extra = {
+          url = "https://raw.githubusercontent.com/datreeio/CRDs-catalog/main/argoproj.io/application_v1alpha1.json",
+          name = "Argo CD Application",
+          fileMatch = "argocd-application.yaml",
+        },
+      }),
+    },
+  },
+}