DCOS UI Kit

Mesosphere DCOS resusable UI Kit components

Getting started

Install dependencies (Node v8+, NPM 5+)

npm i

Development

Start storybook server locally then visit http://localhost:6006/

npm start

How to setup git hooks

Run the following npm script

npm run setup:git-hooks

Linting
For linting, use your favorite code editor to enable tslint. If you use vscode you can change your workspace settings as following

{
  "eslint.enable": false,
  "jshint.enable": false,
  "tslint.enable": true,
  "tslint.jsEnable": false,
  "tslint.run": "onType"
}

New component

To generate a new component run the command

npm run create:component ComponentName

Unit Testing

npm test

Use test:watch if you want the tests to run automatically when a file changes:

npm run test:watch

You can even pass parameters to the test engine (in this case jest), when you, for instance, want to run a single spec, for example, badge:

npm run test -- --watch badge

Writing unit tests
A recommended reading is Better Specs, we put real effort in making sure we follow these guidelines. Some of the most common ones to follow:

• Single Expectation test: Every unit test should verify one behavior.
• Keep your descriptions concise (bellow 40 chars ideally): One easy way to achieve this one is avoiding using "should" (e.g. "it does not use should" instead of "it should not contain should").
• Create the data you need: If you have a more complicated scenario, generate the data that is relevant to that particular case.

For more on this topic, and examples we recommend Better Specs.

import React from "react";
import Badge from '../badge';
import renderer from 'react-test-renderer';

describe('Badge', () => {
  it("match default badge component", () => {
    expect(renderer
    .create(<Badge>default</Badge>)
    .toJSON()).toMatchSnapshot()
  });
});

Commits

You should follow conventional commit formatting rules, as they provide a framework to write explicit messages that are easy to comprehend when looking through the project history and enable automatic change log generation.

These Guidelines got written based on AngularJS Git Commit Message Conventions.

<type>[optional scope]: <description>

[optional body]

[optional footer]

Release / Publishing

After your PR gets merged to master to cut a release, check that you are on master branch and follow the steps below.

Fetch all git tags

git fetch origin --tags

Then run the command to automatically update the package.json, changelog.md and create a new release commit.

npm run release

Now push the latest commit and the tag created (run git tag to see all tags).

git push origin master && git push origin TAG_VERSION

And publish to npm.

npm publish