uber / cosmo Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 4,769 units with 85,253 lines of code in units (50.3% of code).

5 very complex units (1,798 lines of code)
28 complex units (5,262 lines of code)
208 medium complex units (19,302 lines of code)
380 simple units (16,313 lines of code)
4,148 very simple units (42,578 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
export function toInspectorChange() in controlplane/src/core/services/SchemaUsageTrafficInspector.ts	115	77	2
func NewRouter() in router/core/router.go	275	72	1
func() in router/core/graphql_prehandler.go	367	72	1
func() in router/core/graph_server.go	558	68	1
export function publishFederatedSubgraph() in controlplane/src/core/bufservices/subgraph/publishFederatedSubgraph.ts	483	56	3
func() in router/core/router.go	184	46	1
export function checkSubgraphSchema() in controlplane/src/core/bufservices/subgraph/checkSubgraphSchema.ts	450	46	3
func() in router/core/graphql_handler.go	133	40	1
pushParentDefinitionDataToDocumentDefinitions() in composition/src/v1/federation/federation-factory.ts	212	39	1
func() in router/core/factoryresolver.go	195	37	1
func getCustomDynamicAttributeValue() in router/core/request_context_fields.go	83	34	3
func newGraphServer() in router/core/graph_server.go	197	34	4
func() in router/core/graph_server.go	99	34	1
export function batchNormalize() in composition/src/v1/normalization/normalization-factory.ts	190	33	1
func PlanGenerator() in router/pkg/plan_generator/plan_generator.go	140	33	2
parentLoop: for() in controlplane/src/core/repositories/FederatedGraphRepository.ts	219	33	1
export function createFederatedSubgraph() in controlplane/src/core/bufservices/subgraph/createFederatedSubgraph.ts	212	32	3
public async checkMultipleSchemas() in controlplane/src/core/repositories/SchemaCheckRepository.ts	427	32	16
func() in router/core/router_config.go	173	30	1
public async authorize() in controlplane/src/core/services/Authorization.ts	96	30	6
func() in router/core/router.go	139	29	1
func() in router/core/router.go	144	29	1
func() in router/core/graphql_prehandler.go	232	29	1
upsertParentDefinitionData() in composition/src/v1/federation/federation-factory.ts	98	28	2
function Node() in studio/src/components/analytics/trace.tsx	263	28	9
func() in router/core/header_rule_engine.go	83	28	1
export function updateSubgraph() in controlplane/src/core/bufservices/subgraph/updateSubgraph.ts	218	28	3
export function updateProposal() in controlplane/src/core/bufservices/proposal/updateProposal.ts	452	28	3
func main() in data_migrations/controlplane/1726744316_add_span_id_to_trace/files/migrate.go	109	27	0
func() in router/core/engine_loader_hooks.go	128	26	1
func() in router/core/router.go	108	26	1
func configureSubgraphOverwrites() in router/core/graph_server.go	93	26	5
export function createContract() in controlplane/src/core/bufservices/contract/createContract.ts	185	26	3
handleDisparateFieldNamedTypes() in composition/src/v1/federation/federation-factory.ts	103	25	0
enter() in composition/src/v1/normalization/normalization-factory.ts	132	25	1
func() in router/core/operation_processor.go	109	25	1
export function DataTableFilterCommands() in studio/src/components/analytics/data-table-faceted-filter.tsx	317	24	6
export default() in cli/src/commands/subgraph/commands/publish.ts	206	24	1
func Main() in router/cmd/main.go	141	24	0
func() in router/pkg/pubsub/nats/adapter.go	99	24	1
export function deleteOrganizationGroup() in controlplane/src/core/bufservices/organization/deleteOrganizationGroup.ts	152	24	3
export function kindToNodeType() in composition/src/utils/utils.ts	68	23	1
export function kindToConvertedTypeString() in composition/src/v1/utils/utils.ts	56	23	1
validateInterfaceImplementations() in composition/src/v1/normalization/normalization-factory.ts	100	23	1
func() in router/core/websocket.go	139	23	1
func() in router/core/websocket.go	94	23	1
export function pushCacheWarmerOperation() in controlplane/src/core/bufservices/cache-warmer/pushCacheWarmerOperation.ts	173	23	3
name: stringToNameNode() in composition/src/v1/federation/federation-factory.ts	102	22	1
validateEventDrivenSubgraph() in composition/src/v1/normalization/normalization-factory.ts	89	22	1
export function nodeKindToDirectiveLocation() in composition/src/ast/utils.ts	41	22	1