https://github.com/chaijs/chai

assertions bdd chai javascript tdd

Score: 36.25296190846001

Last synced: about 13 hours ago
JSON representation

Repository metadata:

BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.

Host: GitHub
URL: https://github.com/chaijs/chai
Owner: chaijs
License: mit
Created: 2011-12-07T08:06:35.000Z (almost 15 years ago)
Default Branch: main
Last Pushed: 2026-10-05T01:15:45.000Z (8 days ago)
Last Synced: 2026-10-05T06:48:14.921Z (8 days ago)
Topics: assertions, bdd, chai, javascript, tdd
Language: JavaScript
Homepage: https://chaijs.github.io
Size: 5.7 MB
Stars: 8,268
Watchers: 131
Forks: 728
Open Issues: 95
Metadata Files:
- Readme: README.md
- Changelog: History.md
- Contributing: CONTRIBUTING.md
- Funding: .github/FUNDING.yml
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
- Codeowners: CODEOWNERS
Funding:
- Open collective: chaijs

Owner metadata:

Name: Chai.js Assertion Library
Login: chaijs
Email:
Kind: organization
Description:
Website: https://chaijs.github.io
Location:
Twitter:
Company:
Icon url: https://avatars.githubusercontent.com/u/1515293?v=4
Repositories: 25
Last Synced at: 2026-10-08T00:06:59.972Z
Profile URL: https://github.com/chaijs

GitHub Events

Total

Create event: 57
Delete event: 52
Discussion event: 1
Fork event: 23
Issue comment event: 131
Issues event: 49
Pull request event: 100
Pull request review comment event: 28
Pull request review event: 72
Push event: 83
Release event: 9
Watch event: 177
Total: 782

Last Year

Create event: 26
Delete event: 35
Discussion event: 1
Fork event: 5
Issue comment event: 19
Issues event: 6
Pull request event: 32
Pull request review comment event: 1
Pull request review event: 11
Push event: 45
Release event: 1
Watch event: 15
Total: 197

Committers metadata

Last synced: 1 day ago

Total Commits: 1,392
Total Committers: 203
Avg Commits per committer: 6.857
Development Distribution Score (DDS): 0.673

Commits in past year: 118
Committers in past year: 15
Avg Commits per committer in past year: 7.867
Development Distribution Score (DDS) in past year: 0.415

Name	Email	Commits
Jake Luer	j**r@g**m	455
renovate[bot]	2****]	76
Veselin Todorov	v**n@v**g	74
Keith Cirkel	g**b@k**k	73
Grant Snodgrass	m**r@g**m	70
lucasfcosta	f**s@g**m	52
domenic	d**c@d**m	40
dependabot[bot]	4****]	34
James Garbutt	4****j	33
Jérémie Astori	j**e@a**r	27
Kristján Oddsson	k**n@g**m	27
Lucas Vieira	v**4@g**m	22
Aleksey Shvayka	s**h@g**m	18
Kristján Oddsson	k**n@g**m	14
Joshua Perry	j**h@6**m	14
greenkeeperio-bot	s**t@g**o	11
Johannes Loewe	j**s@l**m	11
Tobias Bieniek	t**k@g**m	9
Chris Polis	c**s@d**m	8
greenkeeper[bot]	g****]	8
Chris Jones	c**s@c**m	7
Ruben Verborgh	r**n@v**g	6
Ian Zamojc	i**n@t**t	6
deeperx	i**c@p**m	6
abetomo	a**e@e**o	6
Scott Nonnenberg	s**t@n**m	5
leider	d**r@w**e	5
Juliusz Gonera	j**a@g**m	5
Josh Soref	j****f	5
Jo Liss	j**2@g**m	5
and 173 more...

Issue and Pull Request metadata

Last synced: 1 day ago

Total issues: 156
Total pull requests: 319
Average time to close issues: 8 months
Average time to close pull requests: about 1 month
Total issue authors: 146
Total pull request authors: 54
Average comments per issue: 3.15
Average comments per pull request: 0.97
Merged pull request: 224
Bot issues: 1
Bot pull requests: 144

Past year issues: 7
Past year pull requests: 117
Past year average time to close issues: about 2 months
Past year average time to close pull requests: 2 days
Past year issue authors: 6
Past year pull request authors: 26
Past year average comments per issue: 1.57
Past year average comments per pull request: 0.32
Past year merged pull request: 93
Past year bot issues: 0
Past year bot pull requests: 81

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

Top Issue Authors

SmashingQuasar (2)
Gautam-Bharadwaj (2)
43081j (2)
voxpelli (2)
UlrichEckhardt (2)
hi-ogawa (2)
koddsson (2)
jedwards1211 (2)
danny0838 (2)
gullerya (2)
tnguyen14 (1)
djom202 (1)
elliot-huffman (1)
Ep1s0de (1)
mirayashi (1)

Top Pull Request Authors

renovate[bot] (78)
dependabot[bot] (66)
koddsson (62)
43081j (42)
SuperchupuDev (4)
snewcomer (3)
perrin4869 (3)
forty (3)
BreadInvasion (2)
vhinayindia (2)
Gautam-Bharadwaj (2)
xianjianlf2 (2)
SAY-5 (2)
developer-bandi (2)
yoshinorin (2)

Top Issue Labels

pull-request-wanted (5)
more-discussion-needed (3)
assertion-request (2)
bug (2)
question (2)
feature-requests (2)
medium-size (2)
fun-size (2)
waiting-on-reporter (1)
➡ deep-equal (1)
covered-by-plugin (1)
invalid (1)
types (1)

Top Pull Request Labels

dependencies (66)
javascript (31)

Package metadata

Total packages: 17
Total downloads:
- npm: 518,303,402 last-month
- nuget: 167,789 total
Total docker downloads: 2,751,244,827
Total dependent packages: 168,678 (may contain duplicates)
Total dependent repositories: 528,093 (may contain duplicates)
Total versions: 329
Total maintainers: 15

npmjs.org: chai

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Homepage: http://chaijs.com
Licenses: MIT
Latest release: 6.3.0 (published 13 days ago)
Last Synced: 2026-10-11T17:01:54.976Z (1 day ago)
Versions: 111
Dependent Packages: 168,401
Dependent Repositories: 480,962
Downloads: 518,050,445 Last month
Docker Downloads: 2,581,470,931
Rankings:
- Dependent packages count: 0.0%
- Downloads: 0.04%
- Docker downloads count: 0.048%
- Dependent repos count: 0.053%
- Average: 0.444%
- Stargazers count: 1.105%
- Forks count: 1.42%
Maintainers (1)
- chaijs

bower.io: chai

Homepage:
Licenses: mit
Latest release: v6.2.2 (published 10 months ago)
Last Synced: 2026-03-04T20:47:56.106Z (7 months ago)
Versions: 115
Dependent Packages: 254
Dependent Repositories: 46,734
Rankings:
- Dependent repos count: 0.026%
- Dependent packages count: 0.037%
- Average: 0.557%
- Stargazers count: 0.802%
- Forks count: 1.364%

npmjs.org: @nightwatch/chai

A forked of Chai 5 which adds Promise support in order to work with Nightwatch commands.

Homepage: http://chaijs.com
Licenses: MIT
Latest release: 5.0.3 (published almost 3 years ago)
Last Synced: 2026-10-11T17:02:14.403Z (1 day ago)
Versions: 3
Dependent Packages: 3
Dependent Repositories: 359
Downloads: 250,834 Last month
Docker Downloads: 169,773,896
Rankings:
- Docker downloads count: 0.136%
- Downloads: 0.41%
- Dependent repos count: 0.865%
- Stargazers count: 1.111%
- Forks count: 1.406%
- Average: 1.636%
- Dependent packages count: 5.888%
Maintainers (8)

npmjs.org: hybrid-chai

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Homepage: http://chaijs.com
Licenses: MIT
Latest release: 0.0.1 (published about 9 years ago)
Last Synced: 2026-10-11T17:02:04.370Z (1 day ago)
Versions: 1
Dependent Packages: 12
Dependent Repositories: 26
Downloads: 1,414 Last month
Rankings:
- Stargazers count: 1.115%
- Forks count: 1.411%
- Dependent packages count: 1.784%
- Average: 2.414%
- Dependent repos count: 2.456%
- Downloads: 5.302%
Maintainers (1)
- diydyq

proxy.golang.org: github.com/chaijs/chai

Homepage:
Documentation: https://pkg.go.dev/github.com/chaijs/chai#section-documentation
Licenses: mit
Latest release: v6.3.0+incompatible (published 14 days ago)
Last Synced: 2026-10-11T17:01:46.204Z (1 day ago)
Versions: 36
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 1.622%
- Average: 4.057%
- Dependent packages count: 6.492%

nuget.org: chai

Chai is a BDD / TDD assertion library for the browser that can be delightfully paired with any javascript testing framework.

Homepage: http://chaijs.com/
Licenses: mit
Latest release: 1.5.0 (published over 13 years ago)
Last Synced: 2026-10-11T17:01:44.830Z (1 day ago)
Versions: 3
Dependent Packages: 0
Dependent Repositories: 6
Downloads: 167,789 Total
Rankings:
- Dependent repos count: 2.914%
- Downloads: 3.523%
- Average: 9.055%
- Dependent packages count: 20.729%
Maintainers (1)
- 2j2e

npmjs.org: chai-core

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Homepage: http://chaijs.com
Licenses: MIT
Latest release: 5.0.0-alpha.2 (published over 5 years ago)
Last Synced: 2026-10-11T17:01:50.701Z (1 day ago)
Versions: 3
Dependent Packages: 1
Dependent Repositories: 2
Downloads: 22 Last month
Rankings:
- Stargazers count: 1.115%
- Forks count: 1.411%
- Dependent repos count: 7.642%
- Average: 10.039%
- Downloads: 19.051%
- Dependent packages count: 20.975%
Maintainers (1)
- d83ac4z

repo1.maven.org: org.webjars.npm:chai

WebJar for chai

Homepage: https://www.webjars.org
Documentation: https://appdoc.app/artifact/org.webjars.npm/chai/
Licenses: MIT
Latest release: 5.1.2 (published almost 2 years ago)
Last Synced: 2026-10-11T17:01:42.522Z (1 day ago)
Versions: 8
Dependent Packages: 4
Dependent Repositories: 1
Rankings:
- Stargazers count: 3.231%
- Forks count: 6.774%
- Average: 11.173%
- Dependent packages count: 13.918%
- Dependent repos count: 20.767%

npmjs.org: chai_test

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Homepage: http://chaijs.com
Licenses: MIT
Latest release: 3.5.1 (published over 10 years ago)
Last Synced: 2026-10-11T17:01:44.986Z (1 day ago)
Versions: 1
Dependent Packages: 1
Dependent Repositories: 0
Downloads: 495 Last month
Rankings:
- Stargazers count: 1.365%
- Forks count: 1.646%
- Average: 11.438%
- Downloads: 12.626%
- Dependent packages count: 16.224%
- Dependent repos count: 25.328%
Maintainers (1)
- mahantesh

npmjs.org: @cameron-martin/chai

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Homepage: http://chaijs.com
Licenses: MIT
Latest release: 3.5.0 (published over 10 years ago)
Last Synced: 2026-10-11T17:05:15.004Z (1 day ago)
Versions: 1
Dependent Packages: 1
Dependent Repositories: 1
Downloads: 43 Last month
Rankings:
- Stargazers count: 1.122%
- Forks count: 1.418%
- Dependent repos count: 10.374%
- Average: 15.234%
- Dependent packages count: 21.041%
- Downloads: 42.217%
Maintainers (1)
- cameron-martin

repo1.maven.org: org.webjars.bowergithub.chaijs:chai

WebJar for chai

Homepage: http://webjars.org
Documentation: https://appdoc.app/artifact/org.webjars.bowergithub.chaijs/chai/
Licenses: MIT
Latest release: 4.2.0 (published about 7 years ago)
Last Synced: 2026-10-11T17:01:45.970Z (1 day ago)
Versions: 2
Dependent Packages: 1
Dependent Repositories: 0
Rankings:
- Stargazers count: 2.641%
- Forks count: 5.502%
- Average: 18.03%
- Dependent repos count: 31.98%
- Dependent packages count: 31.998%

repo1.maven.org: org.webjars.bower:chai

WebJar for chai

Homepage: http://webjars.org
Documentation: https://appdoc.app/artifact/org.webjars.bower/chai/
Licenses: MIT
Latest release: 4.1.1 (published about 9 years ago)
Last Synced: 2026-10-11T17:01:44.979Z (1 day ago)
Versions: 3
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Stargazers count: 2.641%
- Forks count: 5.502%
- Average: 22.246%
- Dependent repos count: 31.98%
- Dependent packages count: 48.86%

repo1.maven.org: org.mvnpm:chai

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Homepage: http://chaijs.com
Documentation: https://appdoc.app/artifact/org.mvnpm/chai/
Licenses: MIT
Latest release: 6.3.0 (published 11 days ago)
Last Synced: 2026-10-11T17:01:45.982Z (1 day ago)
Versions: 4
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Stargazers count: 3.525%
- Forks count: 7.057%
- Average: 22.321%
- Dependent repos count: 32.393%
- Dependent packages count: 46.31%

npmjs.org: @depup/chai

BDD/TDD assertion library for node.js and the browser. Test framework agnostic. (with updated dependencies)

Homepage: http://chaijs.com
Licenses: MIT
Latest release: 6.3.0-depup.0 (published 12 days ago)
Last Synced: 2026-10-11T17:02:00.896Z (1 day ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 113 Last month
Rankings:
- Dependent repos count: 20.562%
- Average: 25.102%
- Dependent packages count: 29.642%
Maintainers (1)
- chiefmikey

npmjs.org: Testchai21

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Homepage: http://chaijs.com
Licenses: MIT
Latest release: 3.5.3 (published over 10 years ago)
Last Synced: 2026-10-11T17:01:50.638Z (1 day ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 1
Downloads: 18 Last month
Rankings:
- Stargazers count: 1.119%
- Forks count: 1.415%
- Dependent repos count: 10.353%
- Average: 25.582%
- Dependent packages count: 52.063%
- Downloads: 62.96%
Maintainers (1)
- mahantesh

npmjs.org: Testchai2

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Homepage: http://chaijs.com
Licenses: MIT
Latest release: 3.5.2 (published over 10 years ago)
Last Synced: 2026-10-11T17:01:48.630Z (1 day ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 1
Downloads: 18 Last month
Rankings:
- Stargazers count: 1.115%
- Forks count: 1.411%
- Dependent repos count: 10.336%
- Average: 26.526%
- Dependent packages count: 52.006%
- Downloads: 67.763%
Maintainers (1)
- mahantesh

deno.land: chai

BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.

Homepage:
Status: removed
Documentation: https://doc.deno.land/https://deno.land/x/chai/mod.ts
Licenses: mit
Latest release: v6.2.2 (published 10 months ago)
Last Synced: 2026-10-11T17:01:44.941Z (1 day ago)
Versions: 35
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Average: 29.257%
- Dependent packages count: 58.514%

Dependencies

.github/workflows/browsers.yml actions

actions/checkout 3d3c42e5aac5ba805825da76410c181273ba90b1 composite
actions/setup-node 820762786026740c76f36085b0efc47a31fe5020 composite

.github/workflows/npm-publish.yml actions

actions/checkout 3d3c42e5aac5ba805825da76410c181273ba90b1 composite
actions/setup-node 820762786026740c76f36085b0efc47a31fe5020 composite

.github/workflows/node.js.yml actions

actions/checkout 3d3c42e5aac5ba805825da76410c181273ba90b1 composite
actions/setup-node 820762786026740c76f36085b0efc47a31fe5020 composite

package-lock.json npm

462 dependencies

package.json npm

browserify ^16.2.3 development
bump-cli ^1.1.3 development
codecov ^3.0.0 development
istanbul ^0.4.3 development
karma ^6.1.1 development
karma-chrome-launcher ^2.2.0 development
karma-firefox-launcher ^1.0.0 development
karma-mocha ^2.0.1 development
karma-sauce-launcher ^1.2.0 development
mocha ^7.1.2 development
assertion-error ^1.1.0
check-error ^1.0.2
deep-eql ^4.1.2
get-func-name ^2.0.0
loupe ^2.3.1
pathval ^1.1.1
type-detect ^4.0.5

ecosyste.ms

Data

Tools

Indexes

Applications

Experiments

Summary

https://github.com/chaijs/chai

Repository metadata:

Owner metadata:

GitHub Events

Total

Last Year

Committers metadata

Issue and Pull Request metadata

Top Issue Authors

Top Pull Request Authors

Top Issue Labels

Top Pull Request Labels

Package metadata

npmjs.org: chai

bower.io: chai

npmjs.org: @nightwatch/chai

npmjs.org: hybrid-chai

proxy.golang.org: github.com/chaijs/chai

nuget.org: chai

npmjs.org: chai-core

repo1.maven.org: org.webjars.npm:chai

npmjs.org: chai_test

npmjs.org: @cameron-martin/chai

repo1.maven.org: org.webjars.bowergithub.chaijs:chai

repo1.maven.org: org.webjars.bower:chai

repo1.maven.org: org.mvnpm:chai

npmjs.org: @depup/chai

npmjs.org: Testchai21

npmjs.org: Testchai2

deno.land: chai

Dependencies