JavaScript
Environment
Qualified supports Node 6, 8, 10, and 12.
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
bignumber.js
:4.0.4
bluebird
:3.5.1
brain
:0.7.0
canvas
:1.6.7
chai-http
:3.0.0
chai-spies
:0.7.1
chai
:3.5.0
cheerio
:0.22.0
enzyme
:2.9.1
escape-html
:1.0.3
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
q
:1.5.0
ramda
:0.23.0
react-addons-test-utils
:15.6.2
react-dom
:15.6.2
react-redux
:4.4.8
react-test-renderer
:15.6.2
react
: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
bignumber.js
:4.0.4
bluebird
:3.5.1
brain
:0.7.0
canvas
:1.6.7
chai-http
:3.0.0
chai-spies
:0.7.1
chai
:3.5.0
cheerio
:0.22.0
crypto-js
:3.1.9-1
enzyme
:2.9.1
escape-html
:1.0.3
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
ramda
:0.23.0
react-addons-test-utils
:15.6.2
react-dom
:15.6.2
react-redux
:4.4.8
react-test-renderer
:15.6.2
react
: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
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
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
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 (@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
:3.9.0
enzyme-adapter-react-16
:1.12.1
enzyme-to-json
:3.3.5
escape-html
:1.0.3
immer
:3.1.3
jest
:24.7.1
jest-dom
:3.5.0
jest-environment-jsdom
:24.7.1
jest-fetch-mock
:2.1.2
jest-snapshot
:24.7.1
mobx
:5.9.4
mobx-react
:5.4.3
prop-types
:15.7.2
react
:16.8.6
react-dom
:16.8.6
react-redux
:7.0.3
react-test-renderer
:16.8.6
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-dom
:3.5.0
jest-fetch-mock
:2.1.2
jest-serializer-vue
:2.0.2
jest-transform-stub
:2.0.0
jest
:24.8.0
sinon
:7.3.2
vue-jest
:vuejs/vue-jest#abcaaf2f0cc580d84f36c125110c7320d3f4a6b6
vue-template-compiler
:2.6.10
vue
: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
:1.0.0
axios
:0.19.2
babel-jest
:26.1.0
bcrypt
:5.0.0
bignumber.js
:9.0.0
body-parser
:1.19.0
chai-http
:4.3.0
chai
:4.2.0
cheerio
:1.0.0-rc.3
cookie-parser
:1.4.5
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
lodash
:4.17.19
mocha
:8.0.1
mongodb
:3.5.9
mongoose
:5.9.24
objection
:2.2.1
pg-hstore
:2.3.3
pg
:8.3.0
power-assert
:1.6.1
query-string
:6.13.1
ramda
:0.27.0
redis
:3.0.2
sequelize
:6.3.3
sinon-chai
:3.5.0
sinon
:9.0.2
socket.io-client
:2.3.0
socket.io
:2.3.0
sqlite3
:5.0.0
react
preset)
React (@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-hooks
:3.3.0
@testing-library/react
:10.4.7
@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-adapter-react-16
:1.15.2
enzyme-to-json
:3.5.0
enzyme
:3.11.0
escape-html
:1.0.3
immer
:7.0.5
jest-environment-jsdom
:26.1.0
jest-fetch-mock
:3.0.3
jest-snapshot
:26.1.0
jest
:26.1.0
marked
:1.1.1
mobx-react
:6.2.2
mobx
:5.15.4
prop-types
:15.7.2
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
react
: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-fetch-mock
:3.0.3
jest-serializer-vue
:2.0.2
jest-transform-stub
:2.0.0
jest
:26.1.0
sinon
:9.0.2
vue-jest
:^3.0.6
vue-template-compiler
:2.6.11
vue
:2.6.11
vuex
:3.5.1
Testing
Our JavaScript environment supports the following testing frameworks: