JetBrains / typescript-go 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 7,756 units with 112,648 lines of code in units (85.0% of code).

28 very complex units (6,573 lines of code)
115 complex units (11,037 lines of code)
525 medium complex units (24,955 lines of code)
888 simple units (21,547 lines of code)
6,200 very simple units (48,536 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
func() in internal/ls/completions.go	1051	301	1
func() in internal/checker/relater.go	511	229	1
func() in internal/checker/grammarchecks.go	337	194	1
func() in internal/binder/nameresolver.go	250	144	1
func parseCompilerOptions() in internal/tsoptions/parsinghelpers.go	273	132	3
func() in internal/compiler/program.go	354	127	1
func getAdjustedLocation() in internal/ls/utilities.go	155	110	3
func getChildrenPropertyMask() in internal/api/encoder/encoder.go	318	105	1
func() in internal/parser/reparser.go	254	95	1
func() in internal/ls/inlay_hints.go	325	88	1
func() in internal/checker/nodebuilderimpl.go	268	83	1
func() in internal/checker/inference.go	163	78	1
func() in internal/ls/completions.go	258	77	1
func() in internal/checker/relater.go	163	74	1
func() in internal/checker/relater.go	159	73	1
func() in internal/transformers/tstransforms/typeeraser.go	245	71	1
func isSolelyIdentifierDefinitionLocation() in internal/ls/completions.go	109	71	5
func() in internal/checker/relater.go	69	68	1
func() in internal/printer/printer.go	162	67	1
func() in internal/binder/binder.go	143	62	1
func CompareTypes() in internal/checker/utilities.go	144	61	2
func() in internal/checker/relater.go	98	59	1
func() in internal/execute/build/buildtask.go	152	58	1
func() in internal/transformers/declarations/transform.go	120	58	1
func() in internal/checker/inference.go	109	55	1
func getQuickInfoAndDeclarationAtLocation() in internal/ls/hover.go	155	53	3
func tryGetModuleNameFromExportsOrImports() in internal/modulespecifiers/specifiers.go	116	52	10
func() in internal/module/resolver.go	112	52	1
func parseJsonConfigFileContentWorker() in internal/tsoptions/tsconfigparsing.go	195	50	12
func getTokenAtPosition() in internal/astnav/tokens.go	126	50	4
func() in internal/printer/printer.go	107	50	1
func registerMultiProjectReferenceRequestHandler[Req lsproto.HasTextDocumentPosition, Resp any]() in internal/lsp/server.go	192	49	9
func() in internal/parser/parser.go	71	49	1
func() in internal/module/resolver.go	139	48	1
func() in internal/checker/inference.go	106	48	1
func() in internal/parser/parser.go	83	46	1
func getSmartSelectionRange() in internal/ls/selectionranges.go	127	46	3
func() in internal/ls/lsutil/userpreferences.go	94	46	1
func() in internal/fourslash/baselineutil.go	236	46	1
func() in internal/fourslash/baselineutil.go	144	46	1
func() in internal/checker/nodebuilderscopes.go	151	46	1
func() in internal/fourslash/fourslash.go	132	45	1
func() in internal/project/snapshot.go	168	45	1
func getImportersForExport() in internal/ls/importTracker.go	130	44	5
func getContainingNodeArray() in internal/printer/utilities.go	98	43	1
func() in internal/checker/jsx.go	152	43	1
func() in internal/binder/binder.go	107	42	1
func() in internal/checker/nodebuilderimpl.go	121	41	1
func() in internal/project/overlayfs.go	151	41	1
func() in internal/checker/grammarchecks.go	109	40	1