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The purpose of a Page Builder component is to recreate a Page Builder content type (from your Adobe Commerce or Magento Open Source instance) to display inside a PWA app. Developing this component is similar to developing other React components in PWA Studio. However, the properties defined within a Page Builder component are determined by the properties returned from your configuration aggregator. The following steps highlight how to put these properties to use in your component:

Add Component steps overview

Step 1: Add local props and prop-types

The first step is to declare local variables that match the names of the props being passed from your aggregator, for destructuring. For our ExampleQuote, we declare and assign these properties as follows:

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const ExampleQuote = props => {
const {
quote,
author,
description,
textAlign,
border,
borderColor,
borderWidth,
borderRadius,
isHidden,
marginTop,
marginRight,
marginBottom,
marginLeft,
paddingTop,
paddingRight,
paddingBottom,
paddingLeft,
cssClasses
} = props;

With a destructuring assignment, our component takes a props object and copies its values to our local variables. All you need to do is make sure the names of your local variables exactly match the names of the props passed from your aggregator. As noted before, you can use console.log(props) at the top of your component to see the names of the keys being passed in on the props object.

Along with defining your local variables, you need to add the comparable prop-types to define exactly what can be passed into your component. The ExampleQuote component defines the following prop-types:

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import { arrayOf, string, bool } from "prop-types";
ExampleQuote.propTypes = {
quote: string,
author: string,
description: string,
textAlign: string,
border: string,
borderColor: string,
borderWidth: string,
borderRadius: string,
isHidden: bool,
marginTop: string,
marginRight: string,
marginBottom: string,
marginLeft: string,
paddingTop: string,
paddingRight: string,
paddingBottom: string,
paddingLeft: string,
cssClasses: arrayOf(string),
};

Step 2: Add JSX markup

Your JSX markup should recreate the HTML structure of your Page Builder content type and provide the slots for rendering its content and styles. For example, here is the markup needed to recreate the structure of our Quote content type and host the local content-related props values from our aggregator:

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const toHTML = (str) => ({ __html: str });
return (
<div>
<div>{quote}</div>
<div>{author}</div>
<div dangerouslySetInnerHTML={toHTML(description)} />
</div>
);

Because our description property value is HTML, we need to use React's dangerouslySetInnerHTML and __html to render it out properly.

Step 3: Apply form styles

To make it easy to apply all the inline styles from your content type to your Page Builder component, you can create a separate object that contains only the styles retrieved from the content type's form. These styles include those that are retrieved by utility functions like getAdvanced() and getBackgroundImages().

For our component, we created an object called formStyles to group our form styles as shown here:

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const formStyles = {
textAlign,
border,
borderColor,
borderWidth,
borderRadius,
isHidden,
marginTop,
marginRight,
marginBottom,
marginLeft,
paddingTop,
paddingRight,
paddingBottom,
paddingLeft,
};

These are the styles returned from the Advanced form section of our Quote content type (using getAdvanced()). When they are grouped together as shown, we can apply them all at once to our component, as follows:

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return (
<div style={formStyles}>
<div>{quote}</div>
<div>{author}</div>
<div dangerouslySetInnerHTML={toHTML(description)} />
</div>
);

Now we need to apply the CSS classes we used to style the rest of our content type.

Step 4: Apply CSS classes

Applying CSS classes to your component in PWA involves importing both your CSS stylesheet and a PWA Studio function called mergeClasses. This function does exactly what its name implies: it merges classes from different sources into a single variable you can use to add your classes to your JSX, using className.

For our component, we import our component stylesheet and the mergeClasses function as follows:

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import defaultClasses from "./exampleQuote.css";
import { mergeClasses } from "../../../../../classify";

We then merge the classes from our stylesheet with any classes passed in on the props and use a single variable (classes) to apply our consolidated classes to the correct nodes in the JSX:

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const classes = mergeClasses(defaultClasses, props.classes);
return (
<div style={formStyles}>
<div className={classes.quote}>{quote}</div>
<div className={classes.quoteAuthor}>{author}</div>
<div
className={classes.quoteDescription}
dangerouslySetInnerHTML={toHTML(description)}
/>
</div>
);

Merging the props.classes ensures that our component can apply and override styles from other components.

In the previous code block, we only used a single class, classes.quote, to style the quote in our component. However, our original class required two different classes (.quote and .blue-quote) for styling. As a best practice, you want to use the composes construct from CSS Modules as much as possible.

For example, in our exampleQuote.css, we composed each color quote class with the .qoute class as shown in the following snippet:

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.quote {
display: block;
font-size: 1.4em;
margin: 1em 1em 0.3em 0.6em;
quotes: '\201C''\201D''\2018''\2019';
text-decoration: none;
font-style: italic;
word-break: normal !important;
line-height: 1.25em;
padding: 0;
font-weight: 300;
}
.blackQuote {
composes: quote;
color: #333333;
}
.blueQuote {
composes: quote;
color: #007ab9;
}
...

This ensures that for each colored quote class, we also apply the .quote class.

Component output

If you have followed along using the ExampleQuote component, you should see something like this displayed in the PWA Venia app:

Add Component output

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