guardian / support-frontend - 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 1,995 units with 29,499 lines of code in units (37.2% of code).

0 very complex units (0 lines of code)
2 complex units (96 lines of code)
21 medium complex units (1,910 lines of code)
113 simple units (4,111 lines of code)
1,859 very simple units (23,382 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
def convertStripeDeclineCode() in support-models/src/main/scala/com/gu/support/workers/CheckoutFailureReasons.scala	44	43	1
private def printOptionsFromProduct() in support-workers/src/main/scala/com/gu/acquisitions/AcquisitionDataRowBuilder.scala	52	28	2
function getAmountsTestVariant() in support-frontend/assets/helpers/abTests/abtest.ts	119	21	5
function appropriateErrorMessage() in support-frontend/assets/helpers/forms/errorReasons.ts	43	20	1
function TestimonialsForTerritory() in support-frontend/assets/pages/aus-moment-map/components/testimonialsContainer.tsx	109	20	1
export function ContributionsOrderSummary() in support-frontend/assets/components/orderSummary/contributionsOrderSummary.tsx	105	19	15
function PaperCheckoutForm() in support-frontend/assets/pages/paper-subscription-checkout/components/paperCheckoutForm.tsx	360	19	1
def toRetryException() in support-workers/src/main/scala/com/gu/support/workers/exceptions/ErrorHandler.scala	24	19	1
def checkContributionPaymentMethodEnabled() in support-frontend/app/utils/CheckoutValidationRules.scala	25	18	2
def createPaymentIntent() in support-payment-api/src/main/scala/backend/StripeBackend.scala	71	18	2
def byCountryCode() in support-internationalisation/src/main/scala/com/gu/i18n/CountryGroup.scala	30	17	1
function ThankYouModule() in support-frontend/assets/components/thankYou/thankYouModule.tsx	101	16	10
constructor() in cdk/lib/payment-api.ts	408	16	3
function Links() in support-frontend/assets/components/headers/links/links.tsx	72	15	3
static fromPath() in support-frontend/assets/helpers/internationalisation/classes/countryGroup.ts	20	15	1
def fromString() in support-payment-api/src/main/scala/model/paypal/PaypalApiError.scala	33	14	1
export function FooterTsAndCs() in support-frontend/assets/pages/supporter-plus-landing/components/paymentTsAndCs.tsx	56	12	3
function AusMomentMap() in support-frontend/assets/pages/aus-moment-map/ausMomentMap.tsx	134	12	0
def validate() in support-frontend/app/utils/CheckoutValidationRules.scala	18	12	1
function TabletAndDesktop() in support-frontend/assets/components/subscriptionCheckouts/summary.tsx	61	11	10
function ProductOption() in support-frontend/assets/components/product/productOption.tsx	99	11	1
def fromString() in support-models/src/main/scala/com/gu/support/zuora/api/PaymentGateway.scala	12	11	1
def parse() in support-models/src/main/scala/com/gu/support/workers/PaymentFields.scala	10	11	1
def validateProductRatePlan() in support-services/src/main/scala/com/gu/support/promotions/PromotionValidator.scala	35	10	1
export function internationaliseProductAndRatePlan() in support-frontend/assets/helpers/productCatalog.ts	36	10	3
def checkSubscriptionPaymentMethodEnabled() in support-frontend/app/utils/CheckoutValidationRules.scala	14	10	2
def getAgents() in support-frontend/app/controllers/PaperRound.scala	34	10	1
def parse() in support-models/src/main/scala/com/gu/support/workers/PaymentFields.scala	10	10	1
def fromPaymentFields() in support-models/src/main/scala/com/gu/support/workers/PaymentProvider.scala	13	10	1
def isPaymentError() in support-payment-api/src/main/scala/services/CloudWatchService.scala	15	10	1
def getSupporterRatePlanItemFromState() in support-workers/src/main/scala/com/gu/support/workers/lambdas/UpdateSupporterProductData.scala	115	10	2
def build() in support-workers/src/main/scala/com/gu/support/workers/lambdas/CreateSalesforceContact.scala	20	10	1
function setCsrCustomerData() in support-frontend/assets/helpers/subscriptionsForms/formActionCreators.ts	21	9	2
export function getLandingPageParticipations() in support-frontend/assets/helpers/abTests/landingPageAbTests.ts	66	9	1
function Subheading() in support-frontend/assets/pages/supporter-plus-thank-you/components/thankYouHeader/subheading.tsx	57	9	9
function WeeklyCheckoutForm() in support-frontend/assets/pages/weekly-subscription-checkout/components/weeklyCheckoutForm.tsx	279	9	1
export function ThreeTierCard() in support-frontend/assets/pages/supporter-plus-landing/components/threeTierCard.tsx	89	9	7
export function PersonalEmailFields() in support-frontend/assets/pages/[countryGroupId]/checkout/components/PersonalEmailFields.tsx	94	9	7
def geoRedirect: Action[AnyContent] = GeoTargetedCachedAction() in support-frontend/app/controllers/Application.scala	13	9	0
private def getGeoRedirectUrl() in support-frontend/app/controllers/Application.scala	12	9	2
def apply() in support-models/src/main/scala/com/gu/support/workers/PaymentFields.scala	9	9	1
def combinedAddressLine() in support-models/src/main/scala/com/gu/salesforce/AddressLineTransformer.scala	28	9	2
private def getAcquisitionTypeDetails() in support-workers/src/main/scala/com/gu/acquisitions/AcquisitionDataRowBuilder.scala	66	9	1
static fromString() in support-frontend/assets/helpers/internationalisation/classes/countryGroup.ts	20	8	1
function userInBreakpoint() in support-frontend/assets/helpers/abTests/abtest.ts	23	8	1
function getUserParticipation() in support-frontend/assets/helpers/abTests/abtest.ts	35	8	6
function regularPaymentFieldsFromAuthorisation() in support-frontend/assets/helpers/forms/paymentIntegrations/readerRevenueApis.ts	49	8	3
export function AmountsCard() in support-frontend/assets/pages/supporter-plus-landing/components/amountsCard.tsx	81	8	7
def passes() in support-frontend/app/utils/CheckoutValidationRules.scala	28	8	2
def apply() in support-frontend/app/views/JsStringLiteral.scala	12	8	1