Get featured image meta

gistfile1.txt

import debounce from 'lodash.debounce';

const { subscribe, dispatch, select, withSelect } = wp.data;
const { getEditedPostAttribute, isCurrentPostPublished, getCurrentPostType } = select( 'core/editor' );
const { isTyping } = select( 'core/block-editor' );
const { getMedia } = select( 'core' );
const { lockPostSaving, unlockPostSaving } = dispatch( 'core/editor' );
const { createNotice, removeNotice } = dispatch( 'core/notices' );
const { __ } = wp.i18n;

// IDs and message for the post locking and notices.
const LOCK_KEY = 'DOG_VALIDATE_CREDIT_LOCK';
const NOTICE_ID = 'DOG_REMEMBER_CREDIT';
const MESSAGE = __( 'A post must have Featured image credit field before being published.', 'denofgeek' );

/**
 * Check do we have credit field.
 *
 * @return {boolean}
 */
const checkCredit = () => {
	let passes = false;

	const featuredImageId = getEditedPostAttribute( 'featured_media' );
	console.log( 'featuredImageId', featuredImageId );

	if ( featuredImageId && 0 !== featuredImageId ) {
		const featuredImageInfo = getMedia( featuredImageId );
		const credit = featuredImageInfo ? featuredImageInfo.credit : null;
		if ( credit ) {
			passes = true;
		}
		console.log( 'featuredImageId', featuredImageId, credit );
	}

	return passes;
};

/**
 * Set notice message.
 */
const setCreditNotice = () => {
	if ( ! checkCredit() ) {
		// Lock post publishing.
		lockPostSaving( LOCK_KEY );

		// Display warning notice.
		createNotice(
			'warning',
			MESSAGE,
			{
				id: NOTICE_ID,
				isDismissible: false,
			}
		);
	} else {
		// Unlock post publishing.
		unlockPostSaving( LOCK_KEY );

		// Remove notice.
		removeNotice( NOTICE_ID );
	}
};

wp.domReady( () => {
	// Bail if post is published already.
	if ( isCurrentPostPublished() ) {
		return;
	}

	// Bail if post type is not 'post'.
	if ( 'post' !== getCurrentPostType() ) {
		return;
	}

	// Set credit field notice.
	if ( ! isTyping() ) {
		subscribe( debounce( setCreditNotice, 1000 ) );
	}
} );