first commit

mangashelf-server/node_modules/@honeo/check/_is/is-async-function.mjs

@@ -0,0 +1,14 @@
+import isInstanceof from './is-instanceof.mjs';
+
+let AsyncFunction;
+
+function isAsyncFunction(arg){
+
+	if( !AsyncFunction ){
+		AsyncFunction = (async()=>0).constructor;
+	}
+
+	return isInstanceof(arg, AsyncFunction);
+}
+
+export default isAsyncFunction;