Function getTypeFromOptionalTypeNode

test/fixtures/snapshot/typescript.js:61108–61110

(node)

            return type.elementFlags.length - ts.findLastIndex(type.elementFlags, function (f) { return !(f & flags); }) - 1;
        }
        function getTypeFromOptionalTypeNode(node) {
            return addOptionality(getTypeFromTypeNode(node.type), /*isProperty*/ true);
        }
        function getTypeId(type) {
            return type.id;
        }