File age measurements show the distribution of file ages (days since the first commit) and the recency of file updates (days since the latest commit).

Summary

Number of files: 1108
Daily file updates (only one update per file and date counted): 17912
First update: 2014-10-30
Latest update: 2022-03-31
Days between first and latest update: 2709 (387 weeks, estimated 1935 working days)
Active days (at least one file change): 2063
Data:

Organized per file

File Change History Overall

File Age Distribution Overall

Days since first update

There are 1,108 files with 241,442 lines of code in files.

927 files that are 366+ days old (208,576 lines of code)
123 files that are 181-365 days old (21,659 lines of code)
54 files that are 91-180 days old (10,857 lines of code)
2 files that are 31-90 days old (78 lines of code)
2 files that are 1-30 days old (272 lines of code)

Legend:

366+

181-365

91-180

31-90

1-30

explore: zoomable circles

Latest Change Distribution Overall

Days since last update

There are 1,108 files with 241,442 lines of code in files.

124 files have been last changed 366+ days ago (1,287 lines of code)
52 files have been last changed 181-365 days ago (15,849 lines of code)
704 files have been last changed 91-180 days ago (80,684 lines of code)
109 files have been last changed 31-90 days ago (39,827 lines of code)
119 files have been last changed 1-30 days ago (103,795 lines of code)

Legend:

366+

181-365

91-180

31-90

1-30

explore: zoomable circles

File Change History per File Extension

js, json, ml, md, mli, sh, diff, html, c, svg, gitignore, scss, h, yml, css, txt, jsx, rb, snap, npmignore, ps1, py, es6, xml, cpp, babelrc, mll, mly, gyp, mdx, gitattributes, cc

File Age Distribution per Extension

Days since first update

366+

181-365

91-180

31-90

1-30

Latest Change Distribution per Extension

Days since last update

366+

181-365

91-180

31-90

1-30

File Change History per Logical Decomposition

primary

primary (file age distribution)

Days since first update

366+

181-365

91-180

31-90

1-30

primary (latest change distribution)

Days since last update

366+

181-365

91-180

31-90

1-30

Oldest Files (Top 50)

File	# lines	# units	last modified (days ago)	created (days ago)	# changes	# contributors
ml flow_js.ml in src/typing	9091	-	15	2707	814	52
dom.js in lib	3678	1	106	2707	213	171
ml commandUtils.ml in src/commands	1850	-	16	2707	307	55
bom.js in lib	1825	6	106	2707	104	84
core.js in lib	855	3	106	2707	195	99
ml parsing_service_js.ml in src/parsing	830	-	16	2707	189	30
ml type_inference_js.ml in src/typing	520	-	65	2707	304	39
ml parse_error.ml in src/parser	448	-	91	2707	76	21
ml parser_flow.ml in src/parser	417	-	106	2707	169	30
ml server.ml in src/server	352	-	106	2707	228	28
ml statusCommands.ml in src/commands	207	-	106	2707	88	21
ml autocompleteCommand.ml in src/commands	166	-	31	2707	63	20
ml typeAtPosCommand.ml in src/commands	165	-	106	2707	68	20
ml flowEventLogger.ml in src/stubs	151	-	106	2707	69	13
mli parsing_service_js.mli in src/parsing	141	-	22	2707	99	20
ml getImportsCommand.ml in src/commands	137	-	106	2707	44	17
ml flow.ml in src	115	-	106	2707	84	21
ml type_inference_hooks_js.ml in src/typing	114	-	106	2707	39	12
ml flow_parser_js.ml in src/parser	113	-	91	2707	49	17
ml stopCommand.ml in src/commands	107	-	106	2707	47	16
ml getDefCommand.ml in src/commands	100	-	106	2707	47	16
mli flow_js.mli in src/typing	93	-	46	2707	154	20
ml findModuleCommand.ml in src/commands	66	-	106	2707	37	14
mli type_inference_js.mli in src/typing	36	-	65	2707	66	21
mli sort_js.mli in src/typing	13	-	106	2707	19	8
ml sort_js.ml in src/typing	8	-	106	2707	19	9
node.js in lib	2732	111	63	2702	200	133
ml checkContentsCommand.ml in src/commands	138	-	106	2696	66	19
mli haste_module_preprocessor.mli in src/stubs	7	-	106	2618	5	3
ml commandInfo.ml in src/commands	9	-	106	2596	8	5
cssom.js in lib	527	-	106	2595	21	17
ml commandSpec.ml in src/commands	446	-	106	2556	34	10
ml shellCompleteCommand.ml in src/commands	77	-	106	2556	19	10
mli commandSpec.mli in src/commands	61	-	106	2556	22	7
ml options.ml in src/common	230	-	16	2528	189	38
ml parser_env.ml in src/parser	1063	-	85	2523	92	23
mli parser_env.mli in src/parser	160	-	91	2523	68	18
ml dumpTypesCommand.ml in src/commands	122	-	106	2520	59	20
ml serverEnvBuild.ml in src/server	80	-	106	2516	25	10
ml estree_translator.ml in src/parser	1915	-	87	2498	196	51
ml astCommand.ml in src/commands	223	-	91	2496	52	19
ml loc.ml in src/parser	147	-	106	2481	47	15
ml type.ml in src/typing	3364	-	15	2397	418	32
ml scope.ml in src/typing	376	-	106	2397	68	21
mli scope.mli in src/typing	155	-	106	2397	41	18
ml trace.ml in src/typing	149	-	106	2381	31	12
mli trace.mli in src/typing	13	-	106	2381	15	8
ml type_visitor.ml in src/typing	959	-	15	2380	254	26
ml context.ml in src/typing	800	-	18	2380	219	35
mli context.mli in src/typing	336	-	18	2380	205	33

Files Not Recently Changed (Top 50)

File	# lines	# units	last modified (days ago)	created (days ago)	# changes	# contributors
B.js in newtests/tool_test_example	1	-	2183	2183	1	1
C.js in newtests/tool_test_example	1	-	2183	2183	1	1
A.js in newtests/tool_test_example	1	-	2183	2183	1	1
no_at_flow.js in newtests/config_all	1	-	2183	2183	1	1
unknown.js in newtests/autocomplete	1	-	2183	2183	1	1
str.js in newtests/autocomplete	1	-	2183	2183	1	1
bool.js in newtests/autocomplete	1	-	2183	2183	1	1
bar.js in newtests/autocomplete	2	-	2183	2183	1	1
num.js in newtests/autocomplete	2	-	2183	2183	1	1
qux.js in newtests/autocomplete	3	-	2183	2183	1	1
function_builtins.js in newtests/autocomplete	3	1	2183	2183	1	1
fun.js in newtests/autocomplete	3	1	2183	2183	1	1
optional.js in newtests/autocomplete	3	1	2183	2183	1	1
object_builtins.js in newtests/autocomplete	3	1	2183	2183	1	1
foo.js in newtests/contents/no_flow	3	-	2183	2183	1	1
foo.js in newtests/contents/ignore	3	-	2183	2183	1	1
generics.js in newtests/autocomplete	4	1	2183	2183	1	1
foo_parse_fail.js in newtests/autocomplete	5	-	2183	2183	1	1
foo.js in newtests/autocomplete	5	-	2183	2183	1	1
typeparams.js in newtests/autocomplete	6	1	2183	2183	1	1
union.js in newtests/autocomplete	9	1	2183	2183	1	1
issue-1948.js in newtests/union_new	22	-	2122	2122	1	1
exporter.js in newtests/import_errors	1	-	2080	2080	1	1
cssMock.js in newtests/resource_files	1	-	2060	2060	1	1
importer.js in newtests/import_errors	1	-	2060	2080	2	2
dep.js in newtests/const_imports	2	-	1989	1989	1	1
exact.js in newtests/autocomplete	2	-	1948	1948	1	1
esmodule.js in newtests/import_type_shorthand	2	-	1938	1938	1	1
users.html in website/en	3	-	1852	1852	1	1
index.html in website/en	3	-	1852	1852	1	1
users.yml in website/_data	3	-	1852	1852	1	1
users.html in website/_layouts/pages	3	-	1852	1852	1	1
install.html in website/_layouts/pages	3	-	1852	1852	1	1
guide.html in website/_layouts	7	-	1852	1852	1	1
search-docs.html in website/_includes	12	-	1852	1852	1	1
index.html in website	14	-	1852	1852	1	1
vars.html in website/_includes	14	-	1852	1852	1	1
landing_page.html in website/_includes	16	-	1852	1852	1	1
error.html in website	17	-	1852	2136	3	2
nav-guide.html in website/_includes	17	-	1852	1852	1	1
guide-controls.html in website/_includes	17	-	1852	1852	1	1
meta.html in website/_includes	23	-	1852	1852	1	1
additional-reading.html in website/_includes	32	-	1852	1852	1	1
page-vars.html in website/_includes/utils	43	-	1852	1852	1	1
navbar.html in website/_includes	71	-	1852	1852	1	1
languages.yml in website/_data	140	-	1852	1852	1	1
feed.xml in website/blog	30	-	1845	2248	2	1
s3_website.yml in website	62	-	1843	2212	9	3
origin.js in newtests/export_star_from	1	-	1830	1830	1	1
local_override2.js in newtests/export_star_from	2	-	1830	1830	1	1

Most Recently Created Files (Top 50)

File	# lines	# units	last modified (days ago)	created (days ago)	# changes	# contributors
ml jsdoc.ml in src/parser	230	-	17	17	1	1
mli jsdoc.mli in src/parser	42	-	17	17	1	1
ml subst_name.ml in src/common	35	-	46	46	1	1
mli type_sig_merge.mli in src/typing	43	-	46	78	3	3
ml env_resolution.ml in src/typing	105	-	46	101	2	1
ml type_annotation_sig.ml in src/typing	91	-	46	101	2	1
ml cycles.ml in src/typing	27	-	101	101	1	1
lz4_stubs.c in src/common/lz4	19	2	106	121	2	2
ml lz4.ml in src/common/lz4	15	-	106	121	2	2
ml type_sig_bin.ml in src/parser_utils/type_sig	331	-	106	136	2	2
type_sig_bin_stubs.c in src/parser_utils/type_sig	78	5	106	136	2	2
mli type_sig_bin.mli in src/parser_utils/type_sig	77	-	106	136	2	2
ml name_def_ordering.ml in src/analysis/env_builder	509	-	42	147	8	4
ml relay_options.ml in src/common	17	-	106	149	3	2
ml func_stmt_config.ml in src/typing	211	-	16	151	4	3
ml func_stmt_config_sig.ml in src/typing	71	-	46	151	3	3
ml destructuring_sig.ml in src/typing	43	-	106	151	2	2
ml abnormal_sig.ml in src/typing	41	-	106	151	2	2
ml statement_sig.ml in src/typing	24	-	101	151	4	3
caml_thread_cleanup.js in src	3	1	106	154	2	2
caml_mutex_new.js in src	3	1	106	154	2	2
caml_thread_initialize.js in src	3	1	106	154	2	2
test.js in newtests/lsp/documentHighlight	205	1	147	161	2	1
locals.js in newtests/lsp/documentHighlight/__fixtures__	46	3	161	161	1	1
objects.js in newtests/lsp/documentHighlight/__fixtures__	36	1	161	161	1	1
classInheritance.js in newtests/lsp/documentHighlight/__fixtures__	26	-	161	161	1	1
unions.js in newtests/lsp/documentHighlight/__fixtures__	14	1	161	161	1	1
mli resolvableTypeJob.mli in src/typing	13	-	106	161	2	2
optional-chaining.js in newtests/lsp/documentHighlight/__fixtures__	12	-	161	161	1	1
idx.js in newtests/lsp/documentHighlight/__fixtures__	9	1	161	161	1	1
importStar.js in newtests/lsp/documentHighlight/__fixtures__	3	-	161	161	1	1
jsx.js in newtests/lsp/documentHighlight/__fixtures__	3	-	161	161	1	1
external.js in newtests/lsp/documentHighlight/__fixtures__	3	-	161	161	1	1
unchecked.js in newtests/lsp/documentHighlight/__fixtures__	2	-	161	161	1	1
declare.js in newtests/lsp/documentHighlight/__fixtures__	2	-	161	161	1	1
empty.js in newtests/lsp/documentHighlight/__fixtures__	1	-	161	161	1	1
ml name_def.ml in src/analysis/env_builder	432	-	101	163	6	2
ml name_resolver.ml in src/analysis/env_builder	3437	-	15	171	27	6
ml ssa_builder.ml in src/analysis	1138	-	23	171	8	4
ml find_providers.ml in src/analysis/env_builder	1072	-	36	171	9	4
ml scope_builder.ml in src/analysis	661	-	22	171	12	5
ml env_api.ml in src/analysis/env_builder	395	-	15	171	14	5
ml property_assignment.ml in src/analysis	362	-	106	171	3	3
ml hoister.ml in src/analysis	260	-	23	171	8	5
ml scope_api.ml in src/analysis	212	-	106	171	2	2
ml refinement_key.ml in src/analysis/env_builder	169	-	17	171	4	4
ml invalidation_api.ml in src/analysis/env_builder	143	-	106	171	3	3
ml order_builder.ml in src/analysis/env_builder	95	-	106	171	3	2
ml provider_api.ml in src/analysis/env_builder	86	-	36	171	4	4
ml ssa_api.ml in src/analysis	66	-	106	171	2	2

Most Recently Changed Files (Top 50)

File	# lines	# units	last modified (days ago)	created (days ago)	# changes	# contributors
ml flow_js.ml in src/typing	9091	-	15	2707	814	52
ml error_message.ml in src/typing/errors	4063	-	15	1149	150	26
ml name_resolver.ml in src/analysis/env_builder	3437	-	15	171	27	6
ml type.ml in src/typing	3364	-	15	2397	418	32
ml commandHandler.ml in src/server/command_handler	2491	-	15	1365	177	20
ml ty_normalizer.ml in src/typing	2337	-	15	1526	173	22
ml type_annotation.ml in src/typing	2304	-	15	2208	262	27
ml types_js.ml in src/services/inference	2260	-	15	2276	355	26
ml type_mapper.ml in src/typing	2259	-	15	1760	195	20
ml debug_js.ml in src/typing	1832	-	15	2355	441	37
ml type_sig_merge.ml in src/typing	1635	-	15	616	62	10
ml parsing_heaps.ml in src/state/heaps/parsing	1172	-	15	1365	59	14
ml react_kit.ml in src/typing	960	-	15	1878	115	16
ml type_visitor.ml in src/typing	959	-	15	2380	254	26
ml typeUtil.ml in src/typing	857	-	15	702	46	10
ml merge_service.ml in src/services/inference	688	-	15	2187	173	20
ml module_js.ml in src/services/module	684	-	15	746	26	6
ml new_env.ml in src/typing	616	-	15	223	35	7
ml env_api.ml in src/analysis/env_builder	395	-	15	171	14	5
ml error_codes.ml in src/common/errors	331	-	15	703	38	12
ml resolvableTypeJob.ml in src/typing	310	-	15	1193	46	12
ml type_contents.ml in src/services/inference	265	-	15	254	16	5
ml context_optimizer.ml in src/typing	255	-	15	395	14	6
ml custom_fun_kit.ml in src/typing	237	-	15	1197	20	13
ml getDef_js.ml in src/services/get_def	220	-	15	914	39	10
mli type_mapper.mli in src/typing	79	-	15	1760	31	11
mli module_js.mli in src/services/module	56	-	15	746	16	5
ml statement.ml in src/typing	8989	-	16	2207	503	64
ml errors.ml in src/common/errors	3399	-	16	1884	92	18
ml flowLsp.ml in src/lsp	2507	-	16	1073	90	19
ml commandUtils.ml in src/commands	1850	-	16	2707	307	55
ml subtyping_kit.ml in src/typing	1807	-	16	479	27	11
ml flow_js_utils.ml in src/typing	1799	-	16	498	38	9
ml lsp_fmt.ml in src/hack_forked/utils/lsp	1680	-	16	862	36	6
ml type_parser.ml in src/parser	1407	-	16	1962	83	20
ml flowConfig.ml in src/commands/config	1407	-	16	1786	184	38
ml sharedMem.ml in src/heap	1366	-	16	856	42	7
ml slice_utils.ml in src/typing	1270	-	16	290	10	7
ml annotation_inference.ml in src/typing	1215	-	16	233	27	6
ml flow_error.ml in src/typing/errors	1133	-	16	1156	57	18
hh_shared.c in src/heap	959	66	16	856	43	7
ml watchman.ml in src/hack_forked/watchman	878	-	16	862	48	8
ml parsing_service_js.ml in src/parsing	830	-	16	2707	189	30
ml gleanRunner.ml in src/commands/glean	771	-	16	395	15	8
ml hh_json.ml in src/hack_forked/utils/hh_json	764	-	16	862	9	7
ml flowServerMonitorServer.ml in src/monitor	670	-	16	1619	68	12
ml object_kit.ml in src/typing	633	-	16	988	46	14
ml saved_state.ml in src/services/saved_state	605	-	16	1395	53	12
ml members.ml in src/typing	590	-	16	1212	47	12
ml ty_printer.ml in src/common/ty	465	-	16	1526	62	17