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Repo for the various components and widgets for the UI

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taraldefi/ui-library

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Tariala UI Library

Development

Testing

npm run test

Building

npm run build

Storybook

To run a live-reload Storybook server on your local machine:

npm run storybook

To export your Storybook as static files:

npm run storybook:export

Generating New Components

Instead of copy pasting components to create a new component, you can instead run this command to generate all the files you need to start building out a new component. To use it:

npm run generate YourComponentName

This will generate:

/src
  /YourComponentName
    YourComponentName.tsx
    YourComponentName.stories.tsx
    YourComponentName.test.tsx
    YourComponentName.types.ts
    YourComponentName.css

The default templates for each file can be modified under util/templates.

Don't forget to add the component to your index.ts exports if you want the library to export the component!

Publishing

Hosting via NPM

First, make sure you have an NPM account and are logged into NPM using the npm login command.

Then update the name field in package.json to reflect your NPM package name in your private or public NPM registry. Then run:

npm publish

The "prepublishOnly": "npm run build" script in package.json will execute before publish occurs, ensuring the build/ directory and the compiled component library exist.

Hosting via GitHub

I recommend you host the component library using NPM. However, if you don't want to use NPM, you can use GitHub to host it instead.

You'll need to remove build/ from .gitignore, build the component library (npm run build), add, commit and push the contents of build.

You can then install your library into other projects by running:

npm i --save git+https://github.com/taraldefi/ui-library.git#branch-name

OR

npm i --save github:taraldefi/ui-library#branch-name

Usage

Let's say you created a public NPM package called tariala-ui-library with the TestComponent component created in this repository.

Stylesheet

First, you'll need to import the index.css CSS file distributed by the package. This should be done at the root of your project (in index.js or App.tsx of your React app) and will look like:

import 'tariala-ui-library/build/index.css';

...

Components

Usage of components (after the library installed as a dependency into another project) will look like:

import React from "react";
import { TestComponent } from "tariala-ui-library";

const App = () => (
  <div className="app-container">
    <h1>Hello I'm consuming the component library</h1>
    <TestComponent heading={'Some heading'} content={<div>Some content</div>} />
  </div>
);

export default App;

Additional Help

Dark Mode

The example component TestComponent respects the user's dark mode operating system preferences and renders the component in the appropriate theme.

This is achieved by using the media query: @media (prefers-color-scheme: dark) in combination with CSS variables. The colours that change depending on dark mode preference can be found in src/index.css. Example usage of these variables can be found within src/TestComponent/TestComponent.css.

Read https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme for more details.

Using CSS Preprocessors

The Rollup plugin rollup-plugin-postcss supports Sass, Less and Stylus:

  • For Sass, install less: yarn add node-sass --dev
  • For Stylus, install stylus: yarn add stylus --dev
  • For Less, install less: yarn add less --dev

CSS Modules

If you want to use CSS Modules, update postcss in rollup-config.js to:

postcss({
  modules: true
})

Supporting Image Imports

Add the following library to your component library @rollup/plugin-image:

npm i -D @rollup/plugin-image

Then add it to rollup-config.js:

...
plugins:[
  ...,
  image(),
  ...
]
...

You can then import and render images in your components like:

import logo from "./rollup.png";

export const ImageComponent = () => (
  <div>
    <img src={logo} />
  </div>
);

Supporting JSON Imports

Add the following library to your component library @rollup/plugin-json:

npm i -D @rollup/plugin-json

Then add it to rollup-config.js:

...
plugins:[
  ...,
  json(),
  ...
]
...

You can then import and use JSON as ES6 Modules:

import data from "./some-data.json";

export const JsonDataComponent = () => <div>{data.description}</div>;

Checkout the official Rollup plugin list for additional helpful plugins.