mozilla / readability - 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 141 units with 2,913 lines of code in units (92.7% of code).

1 very complex units (491 lines of code)
3 complex units (341 lines of code)
10 medium complex units (540 lines of code)
22 simple units (484 lines of code)
105 very simple units (1,057 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
_grabArticle() in Readability.js	491	126	1
_cleanConditionally() in Readability.js	161	49	2
_getJSONLD() in Readability.js	101	36	1
_getArticleMetadata() in Readability.js	79	35	1
function() in Readability.js	60	24	1
replaceChild() in JSDOMParser.js	89	21	2
_initializeNode() in Readability.js	33	20	1
_unwrapNoscriptImages() in Readability.js	56	18	1
readNode() in JSDOMParser.js	73	17	0
_getArticleTitle() in Readability.js	62	15	0
makeElementNode() in JSDOMParser.js	42	14	1
function Readability() in Readability.js	42	14	2
_markDataTables() in Readability.js	46	13	1
_replaceBrs() in Readability.js	37	12	1
_simplifyNestedElements() in Readability.js	27	10	1
_getClassWeight() in Readability.js	23	10	1
_isProbablyVisible() in Readability.js	12	10	1
function isProbablyReaderable() in Readability-readerable.js	45	9	2
_fixRelativeUris() in Readability.js	52	9	1
_getRowAndColumnCount() in Readability.js	23	9	1
parse() in Readability.js	42	9	0
function isNodeVisible() in Readability-readerable.js	11	8	1
remove() in JSDOMParser.js	35	8	0
_unescapeHtmlEntities() in Readability.js	17	8	1
_hasAncestorTag() in Readability.js	19	8	4
function decodeHTML() in JSDOMParser.js	13	7	1
this.log = function() in Readability.js	19	7	0
_removeNodes() in Readability.js	14	7	2
_getNextNode() in Readability.js	12	7	2
appendChild() in JSDOMParser.js	19	6	1
function getHTML() in JSDOMParser.js	24	6	1
setStyle() in JSDOMParser.js	19	6	2
_isValidByline() in Readability.js	12	6	2
_isPhrasingContent() in Readability.js	10	6	1
_cleanStyles() in Readability.js	17	6	1
_clean() in Readability.js	19	6	2
get baseURI() in JSDOMParser.js	14	5	0
discardNextComment() in JSDOMParser.js	17	5	0
_setNodeTag() in Readability.js	20	5	2
function() in Readability.js	18	5	1
_getNodeAncestors() in Readability.js	13	5	2
_isSingleImage() in Readability.js	12	5	1
function getElems() in JSDOMParser.js	10	4	1
function getElem() in JSDOMParser.js	13	4	1
getStyle() in JSDOMParser.js	15	4	1
readAttribute() in JSDOMParser.js	20	4	1
parse() in JSDOMParser.js	14	4	2
_replaceNodeTags() in Readability.js	8	4	2
_cleanClasses() in Readability.js	15	4	1
function toAbsoluteURI() in Readability.js	10	4	1