• There are 33 files with units, with 4,368 lines of code.
• 0 very complex files (McCabe index sum 251+; 0 lines of code)
• 0 complex files (McCabe index sum 126-250; 0 lines of code)
• 0 medium complex files (McCabe index sum 51-125; 0 lines of code)
• 0 slightly complex files (McCabe index sum 26-50; 0 lines of code)
• 33 simple files (McCabe index sum 1-25; 4,368 lines of code)
• 296 main files have no units (e.g. languages without unit analysis, or files without functions) and are not classified.

The McCabe index of a file grows with its size: per 100 lines tells a large but plain file from a dense one, and most complex unit whether the complexity sits in one unit or is spread over many.

File	# lines	# units	McCabe index (sum)	per 100 lines	most complex unit
SourceIconButton.kt in android/source/src/main/kotlin/com/gu/source/components/buttons	317	4	7	2	2
SourceChip.kt in android/source/src/main/kotlin/com/gu/source/components/chips	479	3	6	1	3
MainActivity.kt in android/sample/src/main/kotlin/com/gu/source	127	1	4	3	4
IconButton.swift in Sources/Source/Components/Buttons	92	2	4	4	3
SourceRating.kt in android/source/src/main/kotlin/com/gu/source/components/rating	235	1	3	1	3
SourceButton.kt in android/source/src/main/kotlin/com/gu/source/components/buttons	395	2	3	1	2
SourceAlertBanner.kt in android/source/src/main/kotlin/com/gu/source/components/banner	220	2	3	1	2
PagerProgressBar.kt in android/source/src/main/kotlin/com/gu/source/components/pager	252	2	3	1	2
AndroidLibraryConventionPlugin.kt in android/build-logic/convention/src/main/kotlin/com/theguardian/convention	47	1	3	6	3
Navigator.kt in android/sample/src/main/kotlin/com/gu/source/navigation	23	3	3	13	1
Color+Hex.swift in Sources/Source/ColorPalette/Extensions	90	1	3	3	3
PlainSourceButton.kt in android/source/src/main/kotlin/com/gu/source/components/buttons	224	2	2	1	1
SourceBaseChip.kt in android/source/src/main/kotlin/com/gu/source/components/chips	140	1	2	1	2
HorizontalExpandingText.kt in android/source/src/main/kotlin/com/gu/source/components	57	2	2	4	1
Theme.kt in android/source/src/main/kotlin/com/gu/source/components/theme	26	2	2	8	1
ScrollingPaginationIndicator.swift in Sources/Source/Components	101	1	2	2	2
UIColor+Hex.swift in SourceSample/SourceSample	31	1	2	6	2
AppColourMode.kt in android/source/src/main/kotlin/com/gu/source/daynight	16	1	1	6	1
SourceTextButton.kt in android/source/src/main/kotlin/com/gu/source/components/buttons	170	1	1	1	1
PromoSticker.kt in android/source/src/main/kotlin/com/gu/source/components/promosticker	173	1	1	1	1
PagerProgressIndicator.kt in android/source/src/main/kotlin/com/gu/source/components/pager	141	1	1	1	1
PagerProgressButtons.kt in android/source/src/main/kotlin/com/gu/source/components/pager	123	1	1	1	1
AndroidApplicationConventionPlugin.kt in android/build-logic/convention/src/main/kotlin/com/theguardian/convention	40	1	1	3	1
ComposeLibraryConventionPlugin.kt in android/build-logic/convention/src/main/kotlin/com/theguardian/convention	44	1	1	2	1
AndroidTestConventionPlugin.kt in android/build-logic/convention/src/main/kotlin/com/theguardian/convention	30	1	1	3	1
ComposeApplicationConventionPlugin.kt in android/build-logic/convention/src/main/kotlin/com/theguardian/convention	14	1	1	7	1
KotlinLibraryConventionPlugin.kt in android/build-logic/convention/src/main/kotlin/com/theguardian/convention	19	1	1	5	1
SourceIcon.swift in Sources/Source/Resources	409	1	1	0	1
UIColor+Dynamic.swift in Sources/Source/ColorPalette/Extensions	65	1	1	2	1
IconPickerView.swift in SourceSample/SourceSample/Buttons	123	1	1	1	1
ButtonThemeBuilderView.swift in SourceSample/SourceSample/Buttons	88	1	1	1	1
CopyableLabel.swift in SourceSample/SourceSample	44	1	1	2	1
SourceSampleApp.swift in SourceSample/SourceSample	13	1	1	8	1

• File complexity is the sum of the McCabe indexes (conditional complexity) of the units (methods, functions...) in a file.
• Files are classified in five categories based on that sum: 1-25 (simple files), 26-50 (slightly complex files), 51-125 (medium complex files), 126-250 (complex files), 251+ (very complex files). The default bands are five times the unit complexity bands, as a file is a group of units.
• Only main code files with units are classified. Files without units (languages without unit analysis, or files without functions) have no complexity to measure and are left out rather than counted as simple.
• A very complex file holds many decisions, which often means it has too many responsibilities: a candidate to split, and a place where changes need more testing.