• There are 131 files with units, with 18,258 lines of code.
• 1 very complex files (McCabe index sum 251+; 4,716 lines of code)
• 2 complex files (McCabe index sum 126-250; 1,464 lines of code)
• 6 medium complex files (McCabe index sum 51-125; 1,064 lines of code)
• 13 slightly complex files (McCabe index sum 26-50; 1,892 lines of code)
• 109 simple files (McCabe index sum 1-25; 9,122 lines of code)
• 120 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
moment.js in charts/shared	4716	359	1389	29	28
toolbelt.js in charts/shared	643	47	199	31	11
sonic.js in charts/shared	821	27	130	16	20
table.js in charts/shared	282	20	100	35	18
sl.js in charts/shared/locale	164	3	97	59	81
uk.js in charts/shared/locale	157	12	72	46	8
cs.js in charts/shared/locale	169	4	62	37	43
sk.js in charts/shared/locale	138	4	61	44	43
wrangle.js in charts/shared	154	8	51	33	11
is.js in charts/shared/locale	134	2	49	37	46
hr.js in charts/shared/locale	150	3	48	32	32
bs.js in charts/shared/locale	143	3	48	34	32
hu.js in charts/shared/locale	111	6	46	41	37
mr.js in charts/shared/locale	195	5	42	22	26
ru.js in charts/shared/locale	193	7	42	22	10
be.js in charts/shared/locale	134	7	38	28	11
pl.js in charts/shared/locale	128	5	31	24	17
fi.js in charts/shared/locale	118	2	28	24	25
mn.js in charts/shared/locale	94	4	27	29	20
ar.js in charts/shared/locale	181	18	27	15	7
ar-ly.js in charts/shared/locale	165	18	27	16	7
ar-dz.js in charts/shared/locale	146	17	26	18	7
zh-cn.js in charts/shared/locale	111	5	25	23	8
gom-latn.js in charts/shared/locale	117	4	23	20	8
gom-deva.js in charts/shared/locale	119	4	23	19	8
sr-cyrl.js in charts/shared/locale	114	4	23	20	9
sr.js in charts/shared/locale	116	4	23	20	9
tlh.js in charts/shared/locale	114	4	22	19	7
zh-mo.js in charts/shared/locale	93	3	22	24	9
zh-hk.js in charts/shared/locale	93	3	22	24	9
ug-cn.js in charts/shared/locale	104	5	22	21	8
zh-tw.js in charts/shared/locale	93	3	22	24	9
dt.js in charts/shared	79	5	20	25	9
lb.js in charts/shared/locale	117	5	20	17	10
yachtCharter.js in root	81	7	19	23	6
bn-bd.js in charts/shared/locale	121	4	19	16	10
el.js in charts/shared/locale	99	6	18	18	4
he.js in charts/shared/locale	87	6	18	21	7
ta.js in charts/shared/locale	124	5	18	15	8
it.js in charts/shared/locale	99	5	18	18	6
br.js in charts/shared/locale	159	8	18	11	6
mk.js in charts/shared/locale	80	2	17	21	9
tg.js in charts/shared/locale	111	3	17	15	8
bg.js in charts/shared/locale	82	2	17	21	9
ca.js in charts/shared/locale	95	6	17	18	7
lt.js in charts/shared/locale	120	6	17	14	6
kn.js in charts/shared/locale	118	5	16	14	8
ja.js in charts/shared/locale	143	6	16	11	6
me.js in charts/shared/locale	109	4	16	15	8
gu.js in charts/shared/locale	114	4	15	13	8

• 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.