SitecoreProps is a Storybook addon for normalizing nested Sitecore JSS field props.

Sitecore JSS does a great job of putting front-end developers in the driver's seat of project development, but it does have a few quirks. One of those is the fields prop that must be passed to its provided JSS React content components, which expects an object formatted like this:

{
  fields: {
    heading: {
      value: 'Value'
    }
  }
}

In practice, that means passing props like this:

import { Text } from '@sitecore-jss/sitecore-jss-react';

const CustomComponent = ({fields}) => (
  <div className="custom-component">
    <Text fields={fields.heading} />
  </div>
);

export default CustomComponent;

This structure can create pretty verbose sample data structures in Storybook stories. To combat this, the SitecoreProps decorator will automatically decorate stories to build out the nested value object whenever a fields property is passed to it. That means you can write sample data like this, without worrying about the extra layer of nesting:

{
  fields: {
    heading: 'Value'
  }
}

Install the following npm module in your project:

npm i --save-dev @degjs/storybook-decorator-sitecoreprops

To install for all stories, import withSitecoreProps and add the decorator within .storybook/preview.js, like this:

import { addDecorator } from '@storybook/react';
import { withSitecoreProps } from '@degjs/storybook-decorator-sitecoreprops';

addDecorator(withSitecoreProps);