toJsCode function
Converts all elements in a list to the literal in JavaScript. Use actual variable if the element is a JsRef.
Implementation
List<String> toJsCode(List x) {
return x.map((e) {
if (e.runtimeType == JsRef) {
return (e as JsRef).toJsCode();
} else {
return jsonEncode(e);
}
}).toList();
}