https://github.com/immerjs/immer

immutable immutables reducer redux state-tree

Score: 36.234284485553545

Last synced: about 8 hours ago
JSON representation

Repository metadata:

Create the next immutable state by mutating the current one

Host: GitHub
URL: https://github.com/immerjs/immer
Owner: immerjs
License: mit
Created: 2017-12-29T12:25:47.000Z (about 8 years ago)
Default Branch: main
Last Pushed: 2026-01-21T23:48:45.000Z (15 days ago)
Last Synced: 2026-01-24T06:51:50.508Z (12 days ago)
Topics: immutable, immutables, reducer, redux, state-tree
Language: JavaScript
Homepage: https://immerjs.github.io/immer/
Size: 6.33 MB
Stars: 28,842
Watchers: 148
Forks: 868
Open Issues: 47
Metadata Files:
- Readme: readme.md
- Funding: .github/FUNDING.yml
- License: LICENSE
- Security: SECURITY.md
Funding:
- Open collective: immer
- Custom: https://www.paypal.me/michelweststrate
- Patreon: mweststrate

Owner metadata:

Name: immer
Login: immerjs
Email: info@michel.codes
Kind: organization
Description: Create the next immutable state tree by simply modifying the current tree
Website:
Location:
Twitter:
Company:
Icon url: https://avatars.githubusercontent.com/u/45853199?v=4
Repositories: 2
Last Synced at: 2024-03-25T20:03:40.475Z
Profile URL: https://github.com/immerjs

GitHub Events

Total

Create event: 12
Delete event: 9
Fork event: 32
Issue comment event: 103
Issues event: 21
Pull request event: 52
Pull request review comment event: 20
Pull request review event: 15
Push event: 67
Release event: 3
Watch event: 1114
Total: 1448

Last Year

Create event: 12
Delete event: 9
Fork event: 22
Issue comment event: 71
Issues event: 15
Pull request event: 51
Pull request review comment event: 20
Pull request review event: 15
Push event: 67
Release event: 3
Watch event: 767
Total: 1052

Committers metadata

Last synced: 23 days ago

Total Commits: 1,243
Total Committers: 207
Avg Commits per committer: 6.005
Development Distribution Score (DDS): 0.542

Commits in past year: 58
Committers in past year: 13
Avg Commits per committer in past year: 4.462
Development Distribution Score (DDS) in past year: 0.638

Name	Email	Commits
Michel Weststrate	m**e@g**m	569
aleclarson	a**n@g**m	206
dependabot[bot]	4****]	98
Mark Erikson	m**k@i**m	26
keenondrums	a**t@p**m	17
Gregory Assasie	g**z@g**m	15
Kenneth Powers	k**n@k**t	12
Justin Hedani	j**i@g**m	10
Stefan Wille	g**b@s**m	10
iruca3	d**a@g**m	7
hrsh7th	6****h	7
Andrey Boldyrev	r**z@y**u	7
Michel Weststrate	m**e@m**m	7
Björgvin Ragnarsson	n**p@g**m	6
arthurdenner	a**7@g**m	5
Oussama Ben Brahim	b**u@g**m	5
Christian Pekeler	c**n@p**g	5
Steven	s**n@c**m	4
Homa Wong	h**g@g**m	4
Alexander Kachkaev	a**r@k**u	3
RichieAHB	r**n@g**k	3
visciang	g**o@s**m	3
Lenz Weber	m**l@l**e	3
Ori Livni	o**i@o**m	3
Patrick Kerschbaum	p**m@g**m	2
Oleg Isonen	o**8@g**m	2
Myles J	h**i@m**v	2
Jiri Spac	c**j@g**m	2
Jeffrey Young	j**g@y**m	2
slikts	d**s@u**s	2
and 177 more...

Issue and Pull Request metadata

Last synced: about 1 month ago

Total issues: 122
Total pull requests: 194
Average time to close issues: 4 months
Average time to close pull requests: 3 months
Total issue authors: 112
Total pull request authors: 72
Average comments per issue: 3.55
Average comments per pull request: 2.53
Merged pull request: 123
Bot issues: 2
Bot pull requests: 70

Past year issues: 9
Past year pull requests: 30
Past year average time to close issues: 2 months
Past year average time to close pull requests: 7 days
Past year issue authors: 9
Past year pull request authors: 7
Past year average comments per issue: 4.44
Past year average comments per pull request: 1.4
Past year merged pull request: 13
Past year bot issues: 1
Past year bot pull requests: 10

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/immerjs/immer

Top Issue Authors

yasinitskyi (3)
adamsmasher (2)
marco-eckstein (2)
bradedelman (2)
wighawag (2)
mweststrate (2)
millievn (2)
vaynevayne (2)
markerikson (2)
bledson (1)
vsvamsi1 (1)
gimelg (1)
ninesunsabiu (1)
Amansaxena001 (1)
dependabot[bot] (1)

Top Pull Request Authors

dependabot[bot] (70)
mweststrate (13)
markerikson (11)
unional (4)
steveluscher (4)
Ishrathh (2)
signed (2)
kof (2)
MUHAMMADMUKHTARSULEIMAN (2)
webfreedom2025 (2)
cdauth (2)
puxiao (2)
Enaium (2)
NMinhNguyen (2)
babyfish-ct (2)

Top Issue Labels

question (45)
proposal (13)
released (11)
bug (9)
issue-lacks-relevant-information (8)
typescript (4)
PR welcome (2)
complexity-medium (2)
wontfix (2)
cannot reproduce (2)
good first issue (1)
semantic-release (1)
dependencies (1)

Top Pull Request Labels

released (82)
dependencies (70)
javascript (10)