On this page
- Environment
- Timeout
- Node Packages
- Node 6
- Node 8
- Node 10
- Default (no preset)
- React (react preset)
- Vue (vue preset)
- Node 12
- Default (no preset)
- React (react preset)
- Vue (vue preset)
- Node 14
- Default (no preset)
- React (react preset)
- Vue (vue preset)
- Node 18
- Default (no preset)
- React (react preset)
- Testing
JavaScript
Environment
Qualified supports Node 6, 8, 10, 12, 14 and 18.
Timeout
The sandbox environment will timeout the code within 12 seconds.
Node Packages
The following packages have been installed:
Node 6
axios
:0.15.3
babel-core
:6.26.0
babel-preset-env
:1.6.0
babel-preset-react
:6.24.1
babel-preset-stage-3
:6.24.1
bignumber.js
:4.0.4
bluebird
:3.5.1
brain
:0.7.0
canvas
:1.6.7
chai
:3.5.0
chai-http
:3.0.0
chai-spies
:0.7.1
cheerio
:0.22.0
enzyme
:2.9.1
escape-html
:1.0.3
espower-loader
:1.2.2
expect
:1.20.2
express
:4.16.1
faker
:3.1.0
ganache-core
:2.1.0
jsdom
:10.1.0
lodash
:4.17.4
mocha
:3.5.3
moment
:2.18.1
mongodb
:2.2.33
mongoose
:4.10.8
pg
:7.4.0
power-assert
:1.5.0
q
:1.5.0
ramda
:0.23.0
react
:15.6.2
react-addons-test-utils
:15.6.2
react-dom
:15.6.2
react-redux
:4.4.8
react-test-renderer
:15.6.2
redis
:2.8.0
redux
:3.7.2
should
:8.4.0
sinon
:1.17.7
sqlite3
:3.1.13
underscore
:1.8.3
web3
:1.0.0-beta.34
Node 8
axios
:0.15.3
babel-core
:6.26.0
babel-preset-env
:1.6.0
babel-preset-react
:6.24.1
babel-preset-stage-3
:6.24.1
bignumber.js
:4.0.4
bluebird
:3.5.1
brain
:0.7.0
canvas
:1.6.7
chai
:3.5.0
chai-http
:3.0.0
chai-spies
:0.7.1
cheerio
:0.22.0
crypto-js
:3.1.9-1
enzyme
:2.9.1
escape-html
:1.0.3
espower-loader
:1.2.2
expect
:1.20.2
express
:4.16.1
faker
:3.1.0
jsdom
:10.1.0
lodash
:4.17.4
mocha
:3.5.3
moment
:2.18.1
mongodb
:2.2.33
mongoose
:4.10.8
pg
:7.4.0
power-assert
:1.5.0
ramda
:0.23.0
react
:15.6.2
react-addons-test-utils
:15.6.2
react-dom
:15.6.2
react-redux
:4.4.8
react-test-renderer
:15.6.2
redis
:2.8.0
redux
:3.7.2
should
:8.4.0
sinon
:1.17.7
sqlite3
:3.1.13
Node 10
Since Node 10, we have multiple presets for different kinds of challenges.
Default (no preset)
@babel/core
:^7.2.2
@babel/preset-env
:^7.3.1
@babel/register
:^7.0.0
@babel/runtime
:^7.3.1
axios
:^0.18.0
babel-jest
:^24.7.1
bcrypt
:^3.0.7
bignumber.js
:^8.0.1
body-parser
:^1.19.0
chai
:^4.2.0
chai-http
:^4.2.1
cheerio
:^1.0.0-rc.2
cookie-parser
:^1.4.4
escape-html
:^1.0.3
esm
:^3.1.3
espower-loader
:^1.2.2
express
:^4.16.4
faker
:^4.1.0
fast-check
:^1.8.1
jest
:^24.7.1
jsdom
:^13.0.0
knex
:^0.16.3
lodash
:^4.17.11
mocha
:^5.2.0
mongodb
:^3.1.10
mongoose
:^5.3.14
pg
:^7.7.1
pg-hstore
:^2.3.2
power-assert
:^1.6.1
query-string
:^6.10.1
ramda
:^0.26.1
redis
:^2.8.0
sequelize
:^4.42.0
sinon
:^7.1.1
sinon-chai
:^3.3.0
socket.io
:^2.2.0
socket.io-client
:^2.2.0
sqlite3
:^4.0.4
react
preset)
React (Only available in Project Code Challenges.
@babel/core
:7.4.3
@babel/plugin-proposal-class-properties
:7.4.4
@babel/preset-env
:7.4.3
@babel/preset-react
:7.0.0
@babel/runtime
:7.4.3
@testing-library/dom
:5.2.1
@testing-library/react
:8.0.1
@testing-library/react-hooks
:1.0.2
@testing-library/user-event
:4.1.0
axios
:0.18.0
babel-jest
:24.7.1
classnames
:2.2.6
cross-fetch
:3.0.4
enzyme
:3.10.0
enzyme-adapter-react-16
:1.15.1
enzyme-to-json
:3.4.3
escape-html
:1.0.3
immer
:3.1.3
jest
:24.9.0
jest-dom
:3.5.0
jest-environment-jsdom
:24.9.0
jest-fetch-mock
:2.1.2
jest-snapshot
:24.9.0
marked
:0.8.0
mobx
:5.9.4
mobx-react
:5.4.3
prop-types
:15.7.2
react
:16.12.0
react-cookie
:4.0.3
react-dom
:16.12.0
react-redux
:7.0.3
react-router-dom
:5.1.2
react-test-renderer
:16.12.0
rebass
:3.1.2
recompose
:0.30.0
redux
:4.0.1
reselect
:4.0.0
sinon
:7.3.1
styled-components
:4.3.2
styled-system
:5.0.16
use-immer
:0.3.3
vue
preset)
Vue (Only available in Project Code Challenges.
@babel/core
:7.4.4
@babel/plugin-transform-runtime
:7.4.4
@babel/preset-env
:7.4.4
@babel/runtime
:7.4.4
@testing-library/dom
:5.2.1
@testing-library/vue
:1.0.3
@vue/test-utils
:1.0.0-beta.29
axios
:0.18.0
babel-jest
:24.8.0
babel-plugin-dynamic-import-node
:2.2.0
cross-fetch
:3.0.4
jest
:24.8.0
jest-dom
:3.5.0
jest-fetch-mock
:2.1.2
jest-serializer-vue
:2.0.2
jest-transform-stub
:2.0.0
sinon
:7.3.2
vue
:2.6.10
vue-jest
:vuejs/vue-jest#abcaaf2f0cc580d84f36c125110c7320d3f4a6b6
vue-template-compiler
:2.6.10
vuex
:3.1.1
Node 12
Default (no preset)
@babel/core
:7.10.5
@babel/preset-env
:7.10.4
@babel/register
:7.10.5
@babel/runtime
:7.10.5
@codewars/test-compat
:1.1.0
axios
:0.19.2
babel-jest
:26.1.0
bcrypt
:5.0.0
bignumber.js
:9.0.0
body-parser
:1.19.0
chai
:4.3.4
chai-http
:4.3.0
cheerio
:1.0.0-rc.3
cookie-parser
:1.4.5
cors
:^2.8.5
dotenv
:^8.2.0
escape-html
:1.0.3
esm
:3.2.25
espower-loader
:1.2.2
express
:4.17.1
faker
:4.1.0
fast-check
:1.26.0
jest
:26.1.0
jsdom
:16.3.0
knex
:0.21.6
lodash
:4.17.19
mocha
:8.3.0
mongodb
:3.5.9
mongoose
:5.9.24
nanoid
:^3.1.20
node-fetch
:^2.6.1
objection
:2.2.1
pg
:8.3.0
pg-hstore
:2.3.3
pino
:^6.11.0
pino-http
:^5.3.0
power-assert
:1.6.1
query-string
:6.13.1
ramda
:0.27.0
redis
:3.0.2
sequelize
:6.3.3
sinon
:9.0.2
sinon-chai
:3.5.0
socket.io
:2.3.0
socket.io-client
:2.3.0
sqlite3
:5.0.0
supertest
:^4.0.2
react
preset)
React (Only available in Project Code Challenges.
@babel/core
:7.10.5
@babel/plugin-proposal-class-properties
:7.10.4
@babel/preset-env
:7.10.4
@babel/preset-react
:7.10.4
@babel/runtime
:7.10.5
@testing-library/dom
:7.21.0
@testing-library/jest-dom
:^5.11.1
@testing-library/react
:10.4.7
@testing-library/react-hooks
:3.3.0
@testing-library/user-event
:12.0.11
axios
:0.19.2
babel-jest
:26.1.0
classnames
:2.2.6
cross-fetch
:3.0.5
enzyme
:3.11.0
enzyme-adapter-react-16
:1.15.2
enzyme-to-json
:3.5.0
escape-html
:1.0.3
immer
:7.0.5
jest
:26.1.0
jest-environment-jsdom
:26.1.0
jest-fetch-mock
:3.0.3
jest-snapshot
:26.1.0
marked
:1.1.1
mobx
:5.15.4
mobx-react
:6.2.2
prop-types
:15.7.2
react
:16.13.1
react-cookie
:4.0.3
react-dom
:16.13.1
react-is
:^16.13.1
react-redux
:7.2.0
react-router-dom
:5.2.0
react-test-renderer
:16.13.1
rebass
:4.0.7
recompose
:0.30.0
redux
:4.0.5
reselect
:4.0.0
sinon
:9.0.2
styled-components
:5.1.1
styled-system
:5.1.5
use-immer
:0.4.0
vue
preset)
Vue (Only available in Project Code Challenges.
@babel/core
:7.10.5
@babel/plugin-transform-runtime
:7.10.5
@babel/preset-env
:7.10.4
@babel/runtime
:7.10.5
@testing-library/dom
:7.21.0
@testing-library/jest-dom
:^5.11.1
@testing-library/vue
:5.0.4
@vue/test-utils
:1.0.3
axios
:0.19.2
babel-core
:^7.0.0-bridge.0
babel-jest
:26.1.0
babel-plugin-dynamic-import-node
:2.3.3
cross-fetch
:3.0.5
jest
:26.1.0
jest-fetch-mock
:3.0.3
jest-serializer-vue
:2.0.2
jest-transform-stub
:2.0.0
sinon
:9.0.2
vue
:2.6.11
vue-jest
:^3.0.6
vue-template-compiler
:2.6.11
vuex
:3.5.1
Node 14
Default (no preset)
@babel/core
:7.16.5
@babel/preset-env
:7.16.5
@babel/register
:7.16.5
@babel/runtime
:7.16.5
@codewars/jest-reporter
:1.0.3
@codewars/mocha-reporter
:1.0.0
@codewars/test-compat
:1.1.0
axios
:0.24.0
babel-jest
:27.4.5
bcrypt
:5.0.1
bignumber.js
:9.0.2
body-parser
:1.19.1
chai
:4.3.4
chai-http
:4.3.0
cheerio
:1.0.0-rc.10
cookie-parser
:1.4.6
cors
:^2.8.5
dotenv
:^10.0.0
escape-html
:1.0.3
esm
:3.2.25
espower-loader
:1.2.2
express
:4.17.2
faker
:5.5.3
fast-check
:2.20.0
jest
:27.4.5
jsdom
:19.0.0
knex
:0.95.14
lodash
:4.17.21
mocha
:9.1.3
mongodb
:4.2.2
mongoose
:6.1.3
nanoid
:^3.1.30
node-fetch
:^3.1.0
objection
:3.0.0
pg
:8.7.1
pg-hstore
:2.3.4
pino
:^7.6.0
pino-http
:^6.5.0
power-assert
:1.6.1
query-string
:7.0.1
ramda
:0.27.1
redis
:4.0.1
sequelize
:6.12.1
sinon
:12.0.1
sinon-chai
:3.7.0
socket.io
:4.4.0
socket.io-client
:4.4.0
sqlite3
:5.0.2
supertest
:^6.1.6
react
preset)
React (Only available in Project Code Challenges.
@babel/core
:7.16.5
@babel/plugin-proposal-class-properties
:7.16.5
@babel/preset-env
:7.16.5
@babel/preset-react
:7.16.5
@babel/runtime
:7.16.5
@codewars/jest-reporter
:^1.0.3
@testing-library/dom
:8.11.1
@testing-library/jest-dom
:^5.16.1
@testing-library/react
:12.1.2
@testing-library/react-hooks
:7.0.2
@testing-library/user-event
:13.5.0
axios
:0.24.0
babel-jest
:27.4.5
classnames
:2.3.1
cross-fetch
:3.1.4
escape-html
:1.0.3
immer
:9.0.7
jest
:27.4.5
jest-environment-jsdom
:27.4.4
jest-fetch-mock
:3.0.3
jest-snapshot
:27.4.5
marked
:4.0.8
mobx
:6.3.9
mobx-react
:7.2.1
nanoid
:^3.1.30
prop-types
:15.7.2
react
:17.0.2
react-cookie
:4.1.1
react-dom
:17.0.2
react-is
:^17.0.2
react-redux
:7.2.6
react-router-dom
:6.2.1
react-test-renderer
:17.0.2
redux
:4.1.2
reselect
:4.1.5
sinon
:12.0.1
styled-components
:5.3.3
use-immer
:0.6.0
vue
preset)
Vue (Only available in Project Code Challenges.
@babel/core
:7.16.5
@babel/plugin-transform-runtime
:7.16.5
@babel/preset-env
:7.16.5
@babel/runtime
:7.16.5
@codewars/jest-reporter
:^1.0.3
@testing-library/dom
:8.11.1
@testing-library/jest-dom
:^5.16.1
@testing-library/vue
:6.4.2
@vue/compiler-sfc
:^3.2.26
@vue/vue3-jest
:^27.0.0-alpha.4
axios
:0.24.0
babel-core
:^7.0.0-bridge.0
babel-jest
:27.4.5
babel-plugin-dynamic-import-node
:2.3.3
cross-fetch
:3.1.4
jest
:27.4.5
jest-fetch-mock
:3.0.3
jest-serializer-vue
:2.0.2
jest-transform-stub
:2.0.0
sinon
:12.0.1
vue
:3.2.26
vuex
:4.0.2
Node 18
Default (no preset)
@babel/core
:7.20.5
@babel/preset-env
:7.20.2
@babel/register
:7.18.9
@babel/runtime
:7.20.6
@codewars/jest-reporter
:1.0.3
@codewars/mocha-reporter
:1.0.0
@codewars/test-compat
:1.1.0
@faker-js/faker
:7.6.0
axios
:1.2.1
babel-jest
:29.3.1
bcrypt
:5.1.0
bignumber.js
:9.1.1
body-parser
:1.20.1
canvas
:2.10.2
chai
:4.3.7
chai-http
:4.3.0
cheerio
:1.0.0-rc.12
cookie-parser
:1.4.6
cors
:2.8.5
dotenv
:16.0.3
escape-html
:1.0.3
esm
:3.2.25
espower-loader
:1.2.2
express
:4.18.2
fast-check
:3.4.0
jest
:29.3.1
jsdom
:20.0.3
knex
:2.3.0
lodash
:4.17.21
mocha
:10.2.0
mongodb
:4.12.1
mongoose
:6.8.0
nanoid
:4.0.0
node-fetch
:3.3.0
objection
:3.0.1
pg
:8.8.0
pg-hstore
:2.3.4
pino
:8.8.0
pino-http
:8.3.0
power-assert
:1.6.1
query-string
:8.0.3
ramda
:0.28.0
redis
:4.5.1
sequelize
:6.27.0
sinon
:15.0.1
sinon-chai
:3.7.0
socket.io
:4.5.4
socket.io-client
:4.5.4
sqlite3
:5.1.4
supertest
:6.3.3
react
preset)
React (Only available in Project Code Challenges.
@babel/core
:7.20.5
@babel/plugin-proposal-class-properties
:7.18.6
@babel/preset-env
:7.20.2
@babel/preset-react
:7.18.6
@babel/runtime
:7.20.6
@codewars/jest-reporter
:1.0.3
@testing-library/dom
:8.19.0
@testing-library/jest-dom
:5.16.5
@testing-library/react
:13.4.0
@testing-library/user-event
:14.4.3
axios
:1.2.1
babel-jest
:29.3.1
classnames
:2.3.2
cross-fetch
:3.1.5
escape-html
:1.0.3
immer
:9.0.16
jest
:29.3.1
jest-environment-jsdom
:29.3.1
jest-fetch-mock
:3.0.3
jest-snapshot
:29.3.1
marked
:4.2.4
mobx
:6.7.0
mobx-react
:7.6.0
nanoid
:4.0.0
prop-types
:15.8.1
react
:18.2.0
react-cookie
:4.1.1
react-dom
:18.2.0
react-is
:18.2.0
react-redux
:8.0.5
react-router-dom
:6.4.5
react-test-renderer
:18.2.0
redux
:4.2.0
reselect
:4.1.7
sinon
:15.0.1
styled-components
:5.3.6
use-immer
:0.8.1
Testing
Our JavaScript environment supports the following testing frameworks: