Function getIndexTypeOrString

test/fixtures/snapshot/typescript.js:61883–61886

(type)

            return extractTypeAlias ? getTypeAliasInstantiation(extractTypeAlias, [type, stringType]) : stringType;
        }
        function getIndexTypeOrString(type) {
            var indexType = getExtractStringType(getIndexType(type));
            return indexType.flags & 131072 /* TypeFlags.Never */ ? stringType : indexType;
        }
        function getTypeFromTypeOperatorNode(node) {
            var links = getNodeLinks(node);
            if (!links.resolvedType) {