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Viewing / Editing File: PagePreview.jsx

import { BlockPreview } from '@wordpress/block-editor';
import { rawHandler } from '@wordpress/blocks';
import { Spinner } from '@wordpress/components';
import {
	useRef,
	useMemo,
	useState,
	useLayoutEffect,
	useCallback,
} from '@wordpress/element';
import { forwardRef } from '@wordpress/element';
import { pageNames } from '@shared/lib/pages';
import classNames from 'classnames';
import { AnimatePresence, motion } from 'framer-motion';
import { usePreviewIframe } from '@launch/hooks/usePreviewIframe';
import { hexTomatrixValues, lowerImageQuality } from '@launch/lib/util';
import themeJSON from '../_data/theme-processed.json';

export const PagePreview = forwardRef(({ style }, ref) => {
	const previewContainer = useRef(null);
	const blockRef = useRef(null);
	const [ready, setReady] = useState(false);

// Look for any frames inside the iframe, like the html block
				const innerFrames = frame.contentDocument?.querySelectorAll('iframe');
				innerFrames?.forEach((inner) => {
					inner?.contentDocument
						?.querySelector('[href*=load-styles]')
						?.remove();
					inner?.contentDocument
						?.querySelector('body')
						?.classList.add('editor-styles-wrapper');
					if (inner && !inner.contentDocument?.getElementById('ext-tj')) {
						inner.contentDocument?.body?.insertAdjacentHTML(
							'beforeend',
							`<style id="ext-tj">
								body { background-color: transparent !important; }
								body, body * { box-sizing: border-box !important; }
								${themeJSON[style?.variation?.title]}
							</style>`,
						);
					}
				});

counter++;
				requestAnimationFrame(checkOnStyles); // recursive
			};
			checkOnStyles();
		},
		[style?.variation],
	);

const { ready: showPreview } = usePreviewIframe({
		container: ref.current,
		ready,
		onLoad,
		loadDelay: 400,
	});

const blocks = useMemo(() => {
		const links = [
			pageNames.about.title,
			pageNames.blog.title,
			pageNames.contact.title,
		];

useLayoutEffect(() => {
		setReady(false);
		const timer = setTimeout(() => setReady(true), 0);
		return () => clearTimeout(timer);
	}, [blocks]);

return (
		<>
			<AnimatePresence>
				{showPreview || (
					<motion.div
						initial={{ opacity: 0.7 }}
						animate={{ opacity: 1 }}
						exit={{ opacity: 0 }}
						transition={{ duration: 0.3 }}
						className="pointer-events-none absolute inset-0 z-30"
						style={{
							// opacity: showPreview || !ready ? 0 : 1,
							backgroundColor: 'rgba(204, 204, 204, 0.25)',
							backgroundImage:
								'linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0) 100%)',
							backgroundSize: '600% 600%',
							animation: 'extendify-loading-skeleton 10s ease-in-out infinite',
						}}>
						<div className="absolute inset-0 flex items-center justify-center">
							<Spinner className="h-10 w-10 text-design-main" />
						</div>
					</motion.div>
				)}
			</AnimatePresence>
			<div
				data-test="layout-preview"
				ref={blockRef}
				className={classNames('group z-10 w-full bg-transparent', {
					'opacity-0': !showPreview,
				})}>
				<div
					ref={previewContainer}
					className="relative m-auto max-w-[1440px] rounded-lg">
					<BlockPreview
						blocks={blocks}
						viewportWidth={1440}
						additionalStyles={[
							{
								css: '.rich-text [data-rich-text-placeholder]:after { content: "" }',
							},
						]}
					/>
				</div>
			</div>
		</>
	);
});

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