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@politico/interactive-style

v4.2.7

Published

The reusable foundation of interactive stories at POLITICO

Downloads

1,185

Readme

@politico/interactive-style

This library is an ever-evolving implementation of our design standards for interactive projects. The goal of the library is to make it as easy and seamless as possible to step from Figma into code. It should serve as a one-stop shop for everything you need to build a POLITICO Interactive story, whether you're working on an elections-specific project or not.

Quick start

Looking to dive right in? 🚀

Install the library as a dependency, and then you can start using the various pieces provided as you need them. Note that v4 of this library is still in pre-release, so you have to specify that that's what you want:

npm install "@politico/interactive-style@>=4.0.1-rc.0"

Styles

You may want to include our standard CSS theme in your global stylesheet.

@use "~@politico/interactive-style/int.scss";

@include int.theme();

That will give you a nice foundation on which to use more specific styles in your components. All of our style utilities are provided as SCSS variables and mixins, and we export them all from the int.scss stylesheet. The easiest way to use things like our colors, our spacing variables, or our more complicated mixins is to @use our main stylesheet and access what you need under the int namespace:

@use "~@politico/interactive-style/int.scss";

.container {
  color: int.$gray-90;

  @include int.sans($size: "300");

  @include int.is-desktop() {
    @include int.sans($size: "500");
  }
}

JavaScript

This library also provides a host of components and utilities for use in your JavaScript. Everything is available as a named export at the top level of the library.

All of our components can be imported and used directly in your own components.

// importing several components
import { Well, Grid, GridItem } from '@politico/interactive-style';

// using them in your component
<Well>
  <Grid>
    <GridItem>Column 1</GridItem>
    <GridItem>Column 2</GridItem>
  </Grid>
</Well>

And our hooks and utilites can be imported the same way.

// importing a utility
import { sortBy } from '@politico/interactive-style';

// using it in a function or component
const items = [
  { name: 'Steph', number: 30 },
  { name: 'Klay', number: 11 },
  { name: 'Draymond', number: 23 },
];
const sortedItems = sortBy(items, ['name', 'number']);

How to use the docs in Storybook

The package of documentation in Storybook includes two different kinds of docs: guides and API documentation. The guides offer high-level introductions to various concepts addressed by this library, like how our content follows a grid to give the page consistent structure; all the guides are found under the "GUIDES" header in the left nav. The API documentation offers more fine-grained and exhaustive details on all the components, mixins, hooks, and utilities provided by this library. If you're looking for an abstract description of our typography system, you should probably start with the typography guide. If you're looking for documentation on the arguments that the sortBy utility accepts, you should look for its API documentation in the utilities section.

Toward Reusability

This library is a result of the Toward Reusability project, documented here in Notion. The project was an effort to create a foundation for reusable standards and components for any individual contributor in the POLITICO Interactive News team to use as a basis for their work. The result is a living, iterative system for the design and development of interactive projects.

As our needs continue to evolve this project will need to evolve with them. Every user of this system should feel empowered to identify shortcomings, gaps, and opportunities for improvement or expansion — and they should also feel empowered to contribute to meeting those needs.

Questions, comments, feedback

Anna Wiederkehr and Andrew Milligan were the main contributors responsible for the foundations of this library. Please direct your inquiries or concerns towards them. The relevant stakeholders are Andrew McGill and Allan James Vestal.

Developing this library

Clone the repo and install dependencies.

npm install

You can run Storybook locally to see your changes as you develop them.

npm run storybook

Once it starts up, you should be able to see Storybook running at http://localhost:6006.

You can run unit tests locally. We use unit tests to test easily testable functions like utilities, and we use stories in Storybook to test React components and to provide visual documentation for everything this library provides. So don't be surprised if you run unit tests and only see utilities being tested.

npm run test

You can also lint all of the JS and SCSS in the project.

npm run lint

Dummy Election Data in Storybook

Two types of mock election data can be included in stories: randomly generated data and data sourced from an AP results API snapshot.

Using AP data

In order to make an AP snapshot available for use as dummy data, retrieve it from the API, make any adjustments/tweaks to it that you want, and then save it in a JSON file in .storybook/static/ap-snapshots. For example, you might take a snapshot and store it as

.storybook/static/ap-snapshots/2022-11-08-nm-gov-general.json

The path of the file from the ap-snapshots directory to the .json extension will be used as the identifier of this snapshot in storybook, so this example can be referenced as 2022-11-08-nm-gov-general.

Once a snapshot is available, you can reference it in a story's dummy data configuration like this:

// in an index.stories.js
import { getElectionDataParameters } from 'Utils/storybook/withElectionData';

const parameters = getElectionDataParameters([{
  apSnapshot: '2022-11-08-nm-gov-general',
}]);

or using withElectionData like this:

// in a specific story file
import { withElectionData } from 'Utils/storybook/withElectionData';

// define your story like normal
const MyStory = Template.bind({});

export default withElectionDataParameters(MyStory, [{
  apSnapshot: '2022-11-08-nm-gov-general',
}]);

Helpful scripts

makeComponent

This library provides a makeComponent script to help with creating new components from JSON blueprints. You can define a component blueprint in the blueprints directory and then run the script with:

npm run makeComponent -- --blueprint blueprints/<MyBlueprint>.json

The blueprint should have the following structure:

{
  "section": "elections", // the directory within components
  "name": "MyComponent", // the name of the component (pascal case)
  "description": "Tk...", // the doc comment describing the component
  "props": [
    {
      "name": "foo", // the name of the prop
      "description": "Tk...", // the doc comment describing the prop
      "type": "string", // the PropTypes type of the component
      "isRequired": true, // whether the prop is required
    },
    {
      "name": "bar",
      "description": "Tk...",
      "type": "bool",
      "default": false, // default value
    },
    {
      "name": "variant",
      "description": "Tk...",
      "type": "oneOf",
      "options": [ // the options for a `oneOf` type prop
        "a",
        "b",
        "c",
      ],
      "default": "a",
    },
  ],
  "stories": [
    {
      "name": "MyStoryName", // name of the story
      "args": { // prop values to pass to story (appropriately typed)
        "propName": "propValue",
        "expandable": "aggregationOnly"
      },
      "description": "Tk...", // description of the story
      "apSnapshot": "snap/shot" // name of AP snapshot for story
    },
  ]
}

Don't forget the extra -- to pass flags to the script through npm!

Publishing Storybook

You can publish a new version of Storybook with:

npm run docs:pub

If you only want to build Storybook and not publish it, you can do that with:

npm run docs:build

Publishing the Library

You can build the library with:

npm run build

If you want to run the build in watch mode so that it rebuilds every time you change a file you can run:

npm run build:watch

You can release a new version of the library with:

npm run release

The release script accepts several arguments (remember to include -- between npm run release and your additional arguments):

  • --message (or -m) lets you set a custom git commit message to describe the release. Note that your custom message will be automatically prefixed with the version number, so you if provided the message "Hello world" while releasing v1.0.0, the commit message will be v1.0.0: Hello world. By default the message will just be the new version number.

  • --step (or -s) lets you specify how to increment the version number. Valid choices are patch, minor, major, premajor, preminor, prepatch, and prerelease. Note that --version takes precedence over --step. Generally choose patch (wich will increment the last number, i.e., 2.2.x) if you're releasing a bug fix and choose minor (which will increment the second number, i.e., 2.x.2) if you're releasing a new feature. The default is patch.

  • --version (or -v) lets you specify a specific version number, useful if you want to skip a version for some reason, or provide more nuance to the semantic version. Note that --version takes precedence over --step.

  • --preid lets you specify the pre-release identifier (i.e., rc in 2.0.1-rc.0). This is rc by default. It's only used when you release a "pre" version using one of the pre* values for step.

The release script will automatically build the library, increment the version number in package.json, commit the bumped version with a commit message that includes the new version number, tag the commit with the version number, publish the package to npm, and push the changes along with the new tag.