https://github.com/immerjs/immer
immutable immutables reducer redux state-tree
Score: 36.46685853364792
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 (over 8 years ago)
- Default Branch: main
- Last Pushed: 2026-08-19T07:57:23.000Z (5 days ago)
- Last Synced: 2026-08-22T00:47:18.681Z (3 days ago)
- Topics: immutable, immutables, reducer, redux, state-tree
- Language: JavaScript
- Homepage: https://immerjs.github.io/immer/
- Size: 7.75 MB
- Stars: 28,980
- Watchers: 147
- Forks: 880
- Open Issues: 39
-
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: 25
- Delete event: 18
- Fork event: 33
- Issue comment event: 113
- Issues event: 24
- Pull request event: 72
- Pull request review comment event: 20
- Pull request review event: 16
- Push event: 116
- Release event: 3
- Watch event: 1167
- Total: 1607
Last Year
- Create event: 25
- Delete event: 18
- Fork event: 5
- Issue comment event: 66
- Issues event: 14
- Pull request event: 67
- Pull request review comment event: 20
- Pull request review event: 15
- Push event: 116
- Release event: 3
- Watch event: 187
- Total: 536
Committers metadata
Last synced: 4 days ago
Total Commits: 1,329
Total Committers: 221
Avg Commits per committer: 6.014
Development Distribution Score (DDS): 0.562
Commits in past year: 144
Committers in past year: 27
Avg Commits per committer in past year: 5.333
Development Distribution Score (DDS) in past year: 0.569
| Name | Commits | |
|---|---|---|
| Michel Weststrate | m****e@g****m | 582 |
| aleclarson | a****n@g****m | 206 |
| dependabot[bot] | 4****] | 141 |
| Mark Erikson | m****k@i****m | 33 |
| 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 |
| Homa Wong | h****g@g****m | 8 |
| 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 |
| Dean Kerr | o****n | 4 |
| Lenz Weber | m****l@l****e | 3 |
| Alexander Kachkaev | a****r@k****u | 3 |
| RichieAHB | r****n@g****k | 3 |
| visciang | g****o@s****m | 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 |
| and 191 more... | ||
Issue and Pull Request metadata
Last synced: 1 day ago
Total issues: 133
Total pull requests: 250
Average time to close issues: 6 months
Average time to close pull requests: 2 months
Total issue authors: 122
Total pull request authors: 88
Average comments per issue: 3.42
Average comments per pull request: 2.3
Merged pull request: 166
Bot issues: 2
Bot pull requests: 99
Past year issues: 14
Past year pull requests: 79
Past year average time to close issues: 7 days
Past year average time to close pull requests: 19 days
Past year issue authors: 14
Past year pull request authors: 21
Past year average comments per issue: 1.71
Past year average comments per pull request: 1.54
Past year merged pull request: 55
Past year bot issues: 1
Past year bot pull requests: 39
Top Issue Authors
- markerikson (3)
- yasinitskyi (3)
- bradedelman (2)
- adamsmasher (2)
- millievn (2)
- marco-eckstein (2)
- vaynevayne (2)
- mweststrate (2)
- wighawag (2)
- ninesunsabiu (1)
- gimelg (1)
- vsvamsi1 (1)
- Amansaxena001 (1)
- bledson (1)
- st-clair-clarke (1)
Top Pull Request Authors
- dependabot[bot] (99)
- mweststrate (15)
- markerikson (12)
- unional (5)
- oriondean (4)
- steveluscher (4)
- frwdrik (2)
- andrejlamov (2)
- Gelio (2)
- alissalkvc (2)
- NMinhNguyen (2)
- Haroenv (2)
- babyfish-ct (2)
- signed (2)
- Ishrathh (2)
Top Issue Labels
- question (45)
- proposal (14)
- released (11)
- bug (9)
- issue-lacks-relevant-information (8)
- typescript (4)
- wontfix (2)
- complexity-medium (2)
- PR welcome (2)
- cannot reproduce (2)
- dependencies (1)
- good first issue (1)
- semantic-release (1)
Top Pull Request Labels
- released (118)
- dependencies (99)
- javascript (39)
Package metadata
- Total packages: 12
-
Total downloads:
- npm: 233,538,682 last-month
- Total docker downloads: 837,181,988
- Total dependent packages: 5,448 (may contain duplicates)
- Total dependent repositories: 1,478,226 (may contain duplicates)
- Total versions: 613
- Total maintainers: 11
- Total advisories: 3
npmjs.org: immer
Create your next immutable state by mutating the current one
- Homepage: https://github.com/immerjs/immer#readme
- Licenses: MIT
- Latest release: 11.1.18 (published 5 days ago)
- Last Synced: 2026-08-23T07:14:50.862Z (1 day ago)
- Versions: 196
- Dependent Packages: 5,437
- Dependent Repositories: 1,478,225
- Downloads: 233,500,490 Last month
- Docker Downloads: 837,181,988
-
Rankings:
- Dependent packages count: 0.017%
- Dependent repos count: 0.024%
- Downloads: 0.037%
- Docker downloads count: 0.064%
- Average: 0.333%
- Stargazers count: 0.556%
- Forks count: 1.297%
- Maintainers (2)
-
Funding:
- url: https://opencollective.com/immer
- type: opencollective
- Advisories:
npmjs.org: @vve/immer
Create your next immutable state by mutating the current one
- Homepage: https://github.com/immerjs/immer#readme
- Licenses: MIT
- Latest release: 9.2.11 (published 8 months ago)
- Last Synced: 2026-08-23T07:10:26.743Z (1 day ago)
- Versions: 205
- Dependent Packages: 2
- Dependent Repositories: 1
- Downloads: 694 Last month
-
Rankings:
- Stargazers count: 0.554%
- Forks count: 1.304%
- Downloads: 4.785%
- Average: 5.155%
- Dependent packages count: 8.834%
- Dependent repos count: 10.296%
- Maintainers (1)
proxy.golang.org: github.com/immerjs/immer
- Homepage:
- Documentation: https://pkg.go.dev/github.com/immerjs/immer#section-documentation
- Licenses: mit
- Latest release: v11.1.18+incompatible (published 5 days ago)
- Last Synced: 2026-08-23T07:07:30.618Z (1 day ago)
- Versions: 164
- Dependent Packages: 0
- Dependent Repositories: 0
-
Rankings:
- Dependent packages count: 6.515%
- Average: 6.733%
- Dependent repos count: 6.952%
npmjs.org: @unional/immer
Create your next immutable state by mutating the current one
- Homepage: https://github.com/immerjs/immer#readme
- Licenses: MIT
- Latest release: 11.1.0-patch (published 8 months ago)
- Last Synced: 2026-08-23T07:05:02.069Z (1 day ago)
- Versions: 2
- Dependent Packages: 1
- Dependent Repositories: 0
- Downloads: 32 Last month
-
Rankings:
- Stargazers count: 0.76%
- Forks count: 1.655%
- Downloads: 10.352%
- Average: 10.858%
- Dependent packages count: 16.22%
- Dependent repos count: 25.306%
- Maintainers (1)
-
Funding:
- type: opencollective
- url: https://opencollective.com/immer
repo1.maven.org: org.webjars.npm:immer
WebJar for immer
- Homepage: https://www.webjars.org
- Documentation: https://appdoc.app/artifact/org.webjars.npm/immer/
- Licenses: MIT
- Latest release: 11.1.8 (published 3 months ago)
- Last Synced: 2026-08-23T07:05:00.687Z (1 day ago)
- Versions: 8
- Dependent Packages: 5
- Dependent Repositories: 0
-
Rankings:
- Stargazers count: 0.732%
- Forks count: 5.074%
- Dependent packages count: 11.045%
- Average: 12.208%
- Dependent repos count: 31.98%
npmjs.org: @witcat/immer
Create your next immutable state by mutating the current one
- Homepage: https://github.com/immerjs/immer
- Status: removed
- Licenses: MIT
- Latest release: 1.1.0 (published over 4 years ago)
- Last Synced: 2026-08-23T07:07:13.158Z (1 day ago)
- Versions: 10
- Dependent Packages: 1
- Dependent Repositories: 0
- Downloads: 28 Last month
-
Rankings:
- Stargazers count: 0.708%
- Forks count: 1.382%
- Dependent repos count: 5.854%
- Average: 13.157%
- Dependent packages count: 23.037%
- Downloads: 34.802%
- Maintainers (1)
-
Funding:
- type: opencollective
- url: https://opencollective.com/immer
npmjs.org: badico-immer
Create your next immutable state by mutating the current one
- Homepage: https://github.com/immerjs/immer#readme
- Licenses: MIT
- Latest release: 3.3.1 (published over 5 years ago)
- Last Synced: 2026-08-22T07:06:24.388Z (2 days ago)
- Versions: 2
- Dependent Packages: 1
- Dependent Repositories: 0
- Downloads: 6 Last month
-
Rankings:
- Stargazers count: 0.739%
- Forks count: 1.551%
- Dependent packages count: 16.224%
- Average: 17.111%
- Dependent repos count: 25.328%
- Downloads: 41.711%
- Maintainers (1)
npmjs.org: immer-clone
Create your next immutable state by mutating the current one
- Homepage: https://github.com/immerjs/immer#readme
- Licenses: MIT
- Latest release: 9.0.0-beta.1 (published over 5 years ago)
- Last Synced: 2026-08-22T07:24:06.090Z (2 days ago)
- Versions: 1
- Dependent Packages: 1
- Dependent Repositories: 0
- Downloads: 8 Last month
-
Rankings:
- Stargazers count: 0.751%
- Forks count: 1.551%
- Dependent packages count: 16.224%
- Average: 18.43%
- Dependent repos count: 25.328%
- Downloads: 48.293%
- Maintainers (1)
-
Funding:
- type: opencollective
- url: https://opencollective.com/immer
repo1.maven.org: org.mvnpm:immer
Create your next immutable state by mutating the current one
- Homepage: https://github.com/immerjs/immer#readme
- Documentation: https://appdoc.app/artifact/org.mvnpm/immer/
- Licenses: MIT
- Latest release: 11.1.18 (published 5 days ago)
- Last Synced: 2026-08-23T07:05:54.584Z (1 day ago)
- Versions: 18
- Dependent Packages: 0
- Dependent Repositories: 0
-
Rankings:
- Stargazers count: 1.019%
- Forks count: 6.388%
- Average: 21.336%
- Dependent repos count: 32.077%
- Dependent packages count: 45.858%
npmjs.org: @l.x/immer
Fork of immer — Create your next immutable state by mutating the current one
- Homepage: https://github.com/immerjs/immer#readme
- Licenses: MIT
- Latest release: 9.0.21-fork.1 (published 5 months ago)
- Last Synced: 2026-08-22T07:45:02.801Z (2 days ago)
- Versions: 1
- Dependent Packages: 0
- Dependent Repositories: 0
- Downloads: 15 Last month
-
Rankings:
- Dependent repos count: 22.224%
- Average: 27.128%
- Dependent packages count: 32.033%
- Maintainers (1)
-
Funding:
- type: opencollective
- url: https://opencollective.com/immer
npmjs.org: @depup/immer
Create your next immutable state by mutating the current one (with updated dependencies)
- Homepage: https://github.com/immerjs/immer#readme
- Licenses: MIT
- Latest release: 11.1.18-depup.0 (published 5 days ago)
- Last Synced: 2026-08-22T07:06:22.895Z (2 days ago)
- Versions: 5
- Dependent Packages: 0
- Dependent Repositories: 0
- Downloads: 709 Last month
-
Rankings:
- Dependent repos count: 22.513%
- Average: 27.474%
- Dependent packages count: 32.435%
- Maintainers (1)
-
Funding:
- type: opencollective
- url: https://opencollective.com/immer
npmjs.org: @lmstudio/immer-with-plugins
Create your next immutable state by mutating the current one
- Homepage: https://github.com/immerjs/immer#readme
- Licenses: MIT
- Latest release: 10.1.1 (published over 1 year ago)
- Last Synced: 2026-08-23T07:12:52.706Z (1 day ago)
- Versions: 1
- Dependent Packages: 0
- Dependent Repositories: 0
- Downloads: 36,700 Last month
-
Rankings:
- Dependent repos count: 25.468%
- Average: 31.168%
- Dependent packages count: 36.869%
- Maintainers (2)
-
Funding:
- type: opencollective
- url: https://opencollective.com/immer
Dependencies
- actions/checkout v3 composite
- crazy-max/ghaction-github-pages v2 composite
- actions/checkout v3 composite
- actions/setup-node v3 composite
- actions/checkout v3 composite
- actions/setup-node v3 composite
- coverallsapp/github-action v1.1.2 composite
- @babel/core ^7.21.3 development
- @types/jest ^25.1.2 development
- coveralls ^3.0.0 development
- cpx2 ^3.0.0 development
- deep-freeze ^0.0.1 development
- flow-bin ^0.123.0 development
- husky ^1.2.0 development
- immutable ^3.8.2 development
- import-size ^1.0.2 development
- jest ^29.5.0 development
- lodash ^4.17.4 development
- lodash.clonedeep ^4.5.0 development
- prettier 1.19.1 development
- pretty-quick ^1.8.0 development
- redux ^4.0.5 development
- rimraf ^2.6.2 development
- seamless-immutable ^7.1.3 development
- semantic-release ^17.0.2 development
- spec.ts ^1.1.0 development
- ts-jest ^29.0.0 development
- tsup ^6.7.0 development
- typescript ^5.0.2 development
- @docusaurus/core ^2.4.0
- @docusaurus/plugin-client-redirects ^2.4.0
- @docusaurus/plugin-content-docs ^2.4.0
- @docusaurus/plugin-google-analytics ^2.4.0
- @docusaurus/plugin-google-gtag ^2.4.0
- @docusaurus/plugin-sitemap ^2.4.0
- @docusaurus/theme-classic ^2.4.0
- react ^16.8.4
- react-dom ^16.8.4
- 1044 dependencies
- 1250 dependencies
- @emnapi/core 1.5.0
- @emnapi/runtime 1.5.0
- @emnapi/wasi-threads 1.1.0
- @napi-rs/wasm-runtime 0.2.12
- @oxc-project/runtime 0.75.0
- @oxc-project/types 0.75.0
- @rolldown/binding-darwin-arm64 1.0.0-beta.23
- @rolldown/binding-darwin-x64 1.0.0-beta.23
- @rolldown/binding-freebsd-x64 1.0.0-beta.23
- @rolldown/binding-linux-arm-gnueabihf 1.0.0-beta.23
- @rolldown/binding-linux-arm64-gnu 1.0.0-beta.23
- @rolldown/binding-linux-arm64-musl 1.0.0-beta.23
- @rolldown/binding-linux-x64-gnu 1.0.0-beta.23
- @rolldown/binding-linux-x64-musl 1.0.0-beta.23
- @rolldown/binding-wasm32-wasi 1.0.0-beta.23
- @rolldown/binding-win32-arm64-msvc 1.0.0-beta.23
- @rolldown/binding-win32-ia32-msvc 1.0.0-beta.23
- @rolldown/binding-win32-x64-msvc 1.0.0-beta.23
- @rolldown/pluginutils 1.0.0-beta.23
- @tybys/wasm-util 0.10.0
- ansis 4.1.0
- buffer-from 1.1.2
- cross-env 7.0.3
- cross-spawn 7.0.6
- immer 10.1.3
- immer 5.3.6
- immer 6.0.9
- immer 7.0.15
- immer 8.0.4
- immer 9.0.21
- isexe 2.0.0
- limu 4.1.1
- mitata 1.0.34
- mutative 1.3.0
- mutative-compat 0.1.2
- path-key 3.1.1
- pprof-format 2.2.1
- rolldown 1.0.0-beta.23
- shebang-command 2.0.0
- shebang-regex 3.0.0
- source-map 0.6.1
- source-map 0.7.6
- source-map-support 0.5.21
- structurajs 0.12.6
- tslib 2.8.1
- which 2.0.2
- rolldown 1.0.0-beta.23 development
- cross-env ^7.0.3
- immer 10
- immer 6
- immer 5
- immer 7
- immer 9
- immer 8
- limu ^4.1.1
- mitata ^1.0.34
- mutative ^1.3.0
- mutative-compat ^0.1.2
- pprof-format ^2.2.1
- source-map ^0.7.4
- source-map-support ^0.5.21
- structurajs ^0.12.6