This npm package includes design tokens, styles and UI components shared across different StepZen web apps: the docs and marketing site stepzen.com, the "My Account" dashboard dashboard.stepzen.com, etc.

This repo includes Storybook as a tool to visualise the contents of the design system, making it available on the web. The Storybook for the main branch is automatically published to https://main--62ba1d9d935e74836cf81cae.chromatic.com/.

NOTE: it might take up to an hour after a push to main before changes appear on https://main--62ba1d9d935e74836cf81cae.chromatic.com/.

How to use

In a NextJS app

add an npm dependency: npm install --save @stepzen/design-system
inlcude styles into the pages/_app.js
```
import "@stepzen/design-system/dist/css/index.css";
```
That's it. Now you can access to the CSS custom properties, global styles and UI components from the StepZen design system in your .css and .js / .ts files.

Updating and publishing a new version

Manual publishing steps:

git clone git@github.com:steprz/design-system.git --depth 1
cd design-system
npm ci
npm version [new version]
npm run build
npm publish
git push (to push the version commit)
git push --tags (to push the new version tag)
create a GitHub release from the new version tag
post a summary to the #dev-products-frontend Slack channel

Adding a new global style

Global style sheets set CSS custom properties on the HTML page :root and / or modify styles of the standard HTML elements such as <h1> or <body>.

How to add a new global style to the StepZen design system:

consider if it would make sense to append the new style to one of the existing .css files
if not, create a new stylesheet-name.css file under src/styles (or src/styles/tokens for new design tokens)
write CSS as usual, assuming it is loaded into apps by a regular <link rel="stylesheet"> tag
import the new .css file into src/styles/index.css with a relative @import()
create a [StylesheetName].stories.mdx file next to the stylesheet-name.css file (copy from one of the existing similar files)
update the <Meta title="Design Tokens/Colors" /> tag in the copied file appropriately
describe the new stylesheet so that other engineers on the StepZen team know what it is and how to use it
publish a new version of the @stepzen/design-system package to npm (most likely, this would be a minor)
That's it. All apps using the StepZen design system via import '@stepzen/design-system/dist/css/index.css' will get new global styles after bumping the version of their @stepzen/design-system npm dependency.

Adding a new UI component

TBD

Currently, the design system only includes a dummy sample Button component which is not intended for actual usage.

Running locally

This repo uses NodeJS 16+ and npm 7+.

npm run build - (re)create a production design system bundle in the dist/ folder (includes .css, .js, and .d.ts files)
npm run storybook - start a local Storybook server on http://localhost:6006
npm run build-storybook - create a production storybook bundle in the storybook-static/ folder
npx chromatic --project-token=<project-token> - recreate a production srotybook bundle and publish it to chromatic.com. Copy the project token from https://www.chromatic.com/manage?appId=62ba1d9d935e74836cf81cae&view=configure. Typically you do not need to do that, since all branches on GitHub are automatically deployed to chromatic.com by the "Chromatic" GitHub workflow (see .github/workflows/chromatic.yaml).

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Last updated on 19 Jul 2022

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