util types isasyncfunction value

• value {any}
• Returns: {boolean}

Returns true if the value is an [async function][]. This only reports back what the JavaScript engine is seeing; in particular, the return value may not match the original source code if a transpilation tool was used.

util.types.isAsyncFunction(function foo() {});  // Returns false
util.types.isAsyncFunction(async function foo() {});  // Returns true