Function indexSignaturesRelatedTo

test/fixtures/snapshot/typescript.js:66797–66815

(source, target, sourceIsPrimitive, reportErrors, intersectionState)

                return related;
            }
            function indexSignaturesRelatedTo(source, target, sourceIsPrimitive, reportErrors, intersectionState) {
                if (relation === identityRelation) {
                    return indexSignaturesIdenticalTo(source, target);
                }
                var indexInfos = getIndexInfosOfType(target);
                var targetHasStringIndex = ts.some(indexInfos, function (info) { return info.keyType === stringType; });
                var result = -1 /* Ternary.True */;
                for (var _i = 0, indexInfos_5 = indexInfos; _i < indexInfos_5.length; _i++) {
                    var targetInfo = indexInfos_5[_i];
                    var related = !sourceIsPrimitive && targetHasStringIndex && targetInfo.type.flags & 1 /* TypeFlags.Any */ ? -1 /* Ternary.True */ :
                        isGenericMappedType(source) && targetHasStringIndex ? isRelatedTo(getTemplateTypeFromMappedType(source), targetInfo.type, 3 /* RecursionFlags.Both */, reportErrors) :
                            typeRelatedToIndexInfo(source, targetInfo, reportErrors, intersectionState);
                    if (!related) {
                        return 0 /* Ternary.False */;
                    }
                    result &= related;
                }
                return result;
            }
            function typeRelatedToIndexInfo(source, targetInfo, reportErrors, intersectionState) {
                var sourceInfo = getApplicableIndexInfo(source, targetInfo.keyType);
                if (sourceInfo) {