core/quote Block Variation

quote-variation.js

import { registerBlockVariation } from '@wordpress/blocks';
import { addFilter } from '@wordpress/hooks';

const VARIATION_NAME = 'allswater/custom-quote-test';

registerBlockVariation( 'core/quote', {
	name: VARIATION_NAME,
	title: 'Quote Variation',
	//isActive: [ namespace, authorCredentials ],
	isActive: ( { namespace, authorCredentials } ) => {
		return (
			namespace === VARIATION_NAME
		);
    },
	attributes: {
        namespace: VARIATION_NAME,
		authorCredentials: {
			type: 'string'
		},
	},
} );