apache / skywalking-client-jsConditional 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 59 units with 1,060 lines of code in units (80.7% of code).

0 very complex units (0 lines of code)
1 complex units (113 lines of code)
5 medium complex units (298 lines of code)
9 simple units (236 lines of code)
44 very simple units (413 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 default function windowFetch() in src/trace/interceptors/fetch.ts	113	30	2
export default function xhrInterceptor() in src/trace/interceptors/xhr.ts	119	23	2
private getFmpTime() in src/performance/fmp.ts	44	18	1
validateOptions() in src/monitor.ts	69	17	0
def walk_through_dir() in tools/check-license-header.py	25	12	1
private calcaulteGrades() in src/performance/fmp.ts	41	12	2
private setTag() in src/performance/fmp.ts	20	10	2
private calculateFinalScore() in src/performance/fmp.ts	36	9	0
validateTags() in src/monitor.ts	22	8	1
public getPerfTiming() in src/performance/perf.ts	40	8	0
public handleErrors() in src/errors/promise.ts	27	7	1
public handleError() in src/errors/ajax.ts	27	6	1
public handleErrors() in src/errors/resource.ts	26	6	1
public async recordPerf() in src/performance/index.ts	25	6	1
constructor() in src/services/report.ts	13	6	2
catchErrors() in src/monitor.ts	16	5	1
setPerformance() in src/monitor.ts	24	5	1
private getTreeScore() in src/performance/fmp.ts	18	5	1
public traceInfo() in src/services/base.ts	24	5	1
public handleErrors() in src/errors/vue.ts	23	4	2
uniqueId: uuid() in src/errors/resource.ts	5	4	0
public sendByFetch() in src/services/report.ts	16	4	1
uniqueId: uuid() in src/trace/interceptors/fetch.ts	7	3	0
export default function traceSegment() in src/trace/segment.ts	18	3	1
public handleErrors() in src/errors/frames.ts	14	3	2
private clearPerf() in src/performance/index.ts	9	3	0
constructor() in src/performance/fmp.ts	7	3	0
private checkNeedCancel() in src/performance/fmp.ts	6	3	1
private calculateAreaParent() in src/performance/fmp.ts	13	3	1
xhr.onreadystatechange = function() in src/services/report.ts	5	3	0
public sendByBeacon() in src/services/report.ts	15	3	1
public fireTasks() in src/services/task.ts	7	3	0
public handleErrors() in src/errors/js.ts	18	2	1
register() in src/monitor.ts	12	2	1
performance() in src/monitor.ts	13	2	1
setCustomTags() in src/monitor.ts	6	2	1
public getPerf() in src/performance/index.ts	12	2	1
private getFirstSnapShot() in src/performance/fmp.ts	10	2	0
private initObserver() in src/performance/fmp.ts	19	2	0
private filterResult() in src/performance/fmp.ts	13	2	1
export default function uuid() in src/services/uuid.ts	7	2	0
public sendByXhr() in src/services/report.ts	9	2	1
public finallyFireTasks() in src/services/task.ts	8	2	0
function ajaxEventTrigger() in src/trace/interceptors/xhr.ts	4	1	1
function customizedXHR() in src/trace/interceptors/xhr.ts	2	1	0
function() in src/trace/interceptors/xhr.ts	3	1	0
liveXHR.open = function() in src/trace/interceptors/xhr.ts	10	1	5
liveXHR.send = function() in src/trace/interceptors/xhr.ts	3	1	1
export function setOptions() in src/trace/interceptors/xhr.ts	3	1	1
export function setFetchOptions() in src/trace/interceptors/fetch.ts	3	1	1