1 files changed, 37 insertions, 0 deletions
diff --git a/script/vm/getDocs.lua b/script/vm/getDocs.lua
index 2fb2bda9..ed2299ec 100644
--- a/script/vm/getDocs.lua
+++ b/script/vm/getDocs.lua
@@ -163,6 +163,26 @@ local function isDeprecated(value)
     return false
 end
 
+local function isAsync(value)
+    if value.type == 'function' then
+        if not value.bindDocs then
+            return false
+        end
+        if value._async ~= nil then
+            return value._async
+        end
+        for _, doc in ipairs(value.bindDocs) do
+            if doc.type == 'doc.async' then
+                value._async = true
+                return true
+            end
+        end
+        value._async = false
+        return false
+    end
+    return value.async == true
+end
+
 function vm.isDeprecated(value, deep)
     if deep then
         local defs = vm.getDefs(value)
@@ -180,6 +200,23 @@ function vm.isDeprecated(value, deep)
     end
 end
 
+function vm.isAsync(value, deep)
+    if deep then
+        local defs = vm.getDefs(value)
+        if #defs == 0 then
+            return false
+        end
+        for _, def in ipairs(defs) do
+            if isAsync(def) then
+                return true
+            end
+        end
+        return false
+    else
+        return isAsync(value)
+    end
+end
+
 local function makeDiagRange(uri, doc, results)
     local names
     if doc.names then