Files
klz-cables.com/components/content/ContentRenderer.tsx
2025-12-29 18:18:48 +01:00

667 lines
22 KiB
TypeScript

import React from 'react';
import Image from 'next/image';
import Link from 'next/link';
import { cn } from '../../lib/utils';
import { processHTML } from '../../lib/html-compat';
import { getMediaByUrl, getMediaById, getAssetMap } from '../../lib/data';
interface ContentRendererProps {
content: string;
className?: string;
sanitize?: boolean;
processAssets?: boolean;
convertClasses?: boolean;
}
interface ProcessedImage {
src: string;
alt: string;
width?: number;
height?: number;
}
/**
* ContentRenderer Component
* Handles rendering of WordPress HTML content with proper sanitization
* and conversion to modern React components
*/
export const ContentRenderer: React.FC<ContentRendererProps> = ({
content,
className = '',
sanitize = true,
processAssets = true,
convertClasses = true,
}) => {
// Process the HTML content
const processedContent = React.useMemo(() => {
let html = content;
if (sanitize) {
html = processHTML(html);
}
if (processAssets) {
html = replaceWordPressAssets(html);
}
if (convertClasses) {
html = convertWordPressClasses(html);
}
return html;
}, [content, sanitize, processAssets, convertClasses]);
// Parse and render the HTML
const renderContent = () => {
if (!processedContent) return null;
// Use a parser to convert HTML to React elements
// For security, we'll use a custom parser that only allows safe elements
return parseHTMLToReact(processedContent);
};
return (
<div className={cn(
'prose prose-lg max-w-none',
'prose-headings:font-bold prose-headings:tracking-tight',
'prose-h1:text-3xl prose-h1:md:text-4xl prose-h1:mb-4',
'prose-h2:text-2xl prose-h2:md:text-3xl prose-h2:mb-3',
'prose-h3:text-xl prose-h3:md:text-2xl prose-h3:mb-2',
'prose-p:text-gray-700 prose-p:leading-relaxed prose-p:mb-4',
'prose-a:text-primary prose-a:hover:text-primary-dark prose-a:underline',
'prose-ul:list-disc prose-ul:pl-6 prose-ul:mb-4',
'prose-ol:list-decimal prose-ol:pl-6 prose-ol:mb-4',
'prose-li:mb-2 prose-li:marker:text-primary',
'prose-strong:font-bold prose-strong:text-gray-900',
'prose-em:italic prose-em:text-gray-700',
'prose-table:w-full prose-table:border-collapse prose-table:my-4',
'prose-th:bg-gray-100 prose-th:font-bold prose-th:p-2 prose-th:text-left',
'prose-td:p-2 prose-td:border prose-td:border-gray-200',
'prose-img:rounded-lg prose-img:shadow-md prose-img:my-4',
'prose-blockquote:border-l-4 prose-blockquote:border-primary prose-blockquote:pl-4 prose-blockquote:italic prose-blockquote:bg-gray-50 prose-blockquote:py-2 prose-blockquote:my-4',
className
)}>
{renderContent()}
</div>
);
};
/**
* Parse HTML string to React elements
* This is a safe parser that only allows specific tags and attributes
*/
function parseHTMLToReact(html: string): React.ReactNode {
// Define allowed tags and their properties
const allowedTags = {
div: ['className', 'id', 'style'],
p: ['className', 'style'],
h1: ['className', 'style'],
h2: ['className', 'style'],
h3: ['className', 'style'],
h4: ['className', 'style'],
h5: ['className', 'style'],
h6: ['className', 'style'],
span: ['className', 'style'],
a: ['href', 'target', 'rel', 'className', 'title', 'style'],
ul: ['className', 'style'],
ol: ['className', 'style'],
li: ['className', 'style'],
strong: ['className', 'style'],
b: ['className', 'style'],
em: ['className', 'style'],
i: ['className', 'style'],
br: [],
hr: ['className', 'style'],
img: ['src', 'alt', 'width', 'height', 'className', 'style'],
table: ['className', 'style'],
thead: ['className', 'style'],
tbody: ['className', 'style'],
tr: ['className', 'style'],
th: ['className', 'style'],
td: ['className', 'style'],
blockquote: ['className', 'style'],
code: ['className', 'style'],
pre: ['className', 'style'],
small: ['className', 'style'],
section: ['className', 'id', 'style'],
article: ['className', 'id', 'style'],
figure: ['className', 'style'],
figcaption: ['className', 'style'],
video: ['className', 'style', 'autoPlay', 'loop', 'muted', 'playsInline', 'poster'],
source: ['src', 'type'],
};
// Create a temporary DOM element to parse the HTML
const parser = new DOMParser();
const doc = parser.parseFromString(html, 'text/html');
const body = doc.body;
// Recursive function to convert DOM nodes to React elements
function convertNode(node: Node, index: number): React.ReactNode {
if (node.nodeType === Node.TEXT_NODE) {
return node.textContent;
}
if (node.nodeType !== Node.ELEMENT_NODE) {
return null;
}
const element = node as HTMLElement;
const tagName = element.tagName.toLowerCase();
// Check if tag is allowed
if (!allowedTags[tagName as keyof typeof allowedTags]) {
// For unknown tags, just render their children
return Array.from(node.childNodes).map((child, i) => convertNode(child, i));
}
// Build props
const props: any = { key: index };
const allowedProps = allowedTags[tagName as keyof typeof allowedTags];
// Helper function to convert style string to object
const parseStyleString = (styleStr: string): React.CSSProperties => {
const styles: React.CSSProperties = {};
if (!styleStr) return styles;
styleStr.split(';').forEach(style => {
const [key, value] = style.split(':').map(s => s.trim());
if (key && value) {
// Convert camelCase for React
const camelKey = key.replace(/-([a-z])/g, (g) => g[1].toUpperCase());
(styles as any)[camelKey] = value;
}
});
return styles;
};
// Handle special cases for different element types
if (tagName === 'a' && element.getAttribute('href')) {
const href = element.getAttribute('href')!;
const isExternal = href.startsWith('http') && !href.includes(window?.location?.hostname || '');
if (isExternal) {
props.href = href;
props.target = '_blank';
props.rel = 'noopener noreferrer';
} else {
// For internal links, use Next.js Link
const children = Array.from(node.childNodes).map((child, i) => convertNode(child, i));
return (
<Link
href={href}
key={index}
className={element.className}
style={parseStyleString(element.style.cssText)}
>
{children}
</Link>
);
}
}
if (tagName === 'img') {
const src = element.getAttribute('src') || '';
const alt = element.getAttribute('alt') || '';
const widthAttr = element.getAttribute('width');
const heightAttr = element.getAttribute('height');
const dataWpImageId = element.getAttribute('data-wp-image-id');
// Handle WordPress image IDs
if (dataWpImageId) {
const media = getMediaById(parseInt(dataWpImageId));
if (media) {
const width = widthAttr ? parseInt(widthAttr) : (media.width || 800);
const height = heightAttr ? parseInt(heightAttr) : (media.height || 600);
return (
<Image
key={index}
src={media.localPath}
alt={alt || media.alt || ''}
width={width}
height={height}
className={element.className || ''}
style={parseStyleString(element.style.cssText)}
priority={false}
sizes="(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 33vw"
/>
);
}
}
// Handle regular image URLs
if (src) {
const imageProps = getImageProps(src);
const width = widthAttr ? parseInt(widthAttr) : imageProps.width;
const height = heightAttr ? parseInt(heightAttr) : imageProps.height;
// Check if it's an external URL
if (src.startsWith('http')) {
// For external images, use regular img tag
return (
<img
key={index}
src={imageProps.src}
alt={alt}
width={width}
height={height}
className={element.className || ''}
style={parseStyleString(element.style.cssText)}
/>
);
}
return (
<Image
key={index}
src={imageProps.src}
alt={alt || imageProps.alt || ''}
width={width || 800}
height={height || 600}
className={element.className || ''}
style={parseStyleString(element.style.cssText)}
priority={false}
sizes="(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 33vw"
/>
);
}
return null;
}
// Handle video elements
if (tagName === 'video') {
const videoProps: any = { key: index };
// Get sources
const sources: React.ReactNode[] = [];
Array.from(element.childNodes).forEach((child, i) => {
if (child.nodeType === Node.ELEMENT_NODE && (child as HTMLElement).tagName.toLowerCase() === 'source') {
const sourceEl = child as HTMLSourceElement;
sources.push(
<source key={i} src={sourceEl.src} type={sourceEl.type} />
);
}
});
// Set video props
if (element.className) videoProps.className = element.className;
if (element.style.cssText) videoProps.style = parseStyleString(element.style.cssText);
if (element.getAttribute('autoPlay')) videoProps.autoPlay = true;
if (element.getAttribute('loop')) videoProps.loop = true;
if (element.getAttribute('muted')) videoProps.muted = true;
if (element.getAttribute('playsInline')) videoProps.playsInline = true;
if (element.getAttribute('poster')) videoProps.poster = element.getAttribute('poster');
return (
<video {...videoProps}>
{sources}
</video>
);
}
// Handle divs with special data attributes for backgrounds
if (tagName === 'div' && element.getAttribute('data-color-overlay')) {
const colorOverlay = element.getAttribute('data-color-overlay');
const overlayOpacity = parseFloat(element.getAttribute('data-overlay-opacity') || '0.5');
// Get the original classes and style
const className = element.className;
const style = parseStyleString(element.style.cssText);
// Convert children
const children = Array.from(node.childNodes).map((child, i) => convertNode(child, i));
return (
<div key={index} className={className} style={style}>
<div
className="absolute inset-0"
style={{ backgroundColor: colorOverlay, opacity: overlayOpacity }}
/>
<div className="relative">
{children}
</div>
</div>
);
}
// Handle divs with video background data attributes
if (tagName === 'div' && element.getAttribute('data-video-bg') === 'true') {
const className = element.className;
const style = parseStyleString(element.style.cssText);
const mp4 = element.getAttribute('data-video-mp4');
const webm = element.getAttribute('data-video-webm');
const children = Array.from(node.childNodes).map((child, i) => convertNode(child, i));
return (
<div key={index} className={className} style={style}>
{mp4 || webm ? (
<video
className="absolute inset-0 w-full h-full object-cover"
autoPlay
loop
muted
playsInline
>
{mp4 && <source src={mp4} type="video/mp4" />}
{webm && <source src={webm} type="video/webm" />}
</video>
) : null}
<div className="relative z-10">
{children}
</div>
</div>
);
}
// Standard attribute mapping
allowedProps.forEach(prop => {
if (prop === 'style') {
// Handle style separately
if (element.style.cssText) {
props.style = parseStyleString(element.style.cssText);
}
} else {
const value = element.getAttribute(prop);
if (value !== null) {
props[prop] = value;
}
}
});
// Handle className specifically
if (element.className && allowedProps.includes('className')) {
props.className = element.className;
}
// Convert children
const children = Array.from(node.childNodes).map((child, i) => convertNode(child, i));
// Return React element
return React.createElement(tagName, props, children);
}
// Convert all children of body
return Array.from(body.childNodes).map((node, index) => convertNode(node, index));
}
/**
* Replace WordPress asset URLs with local paths
*/
function replaceWordPressAssets(html: string): string {
try {
// Use the data layer to replace URLs
const assetMap = getAssetMap();
let processed = html;
// Replace URLs in src attributes
Object.entries(assetMap).forEach(([wpUrl, localPath]) => {
// Handle both full URLs and relative paths
const urlPattern = new RegExp(wpUrl.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'g');
processed = processed.replace(urlPattern, localPath as string);
});
// Also handle any remaining WordPress URLs that might be in the format we expect
processed = processed.replace(/https?:\/\/[^"'\s]+\/wp-content\/uploads\/\d{4}\/\d{2}\/([^"'\s]+)/g, (match, filename) => {
// Try to find this file in our media
const media = getMediaByUrl(match);
if (media) {
return media.localPath;
}
return match;
});
return processed;
} catch (error) {
console.warn('Error replacing asset URLs:', error);
return html;
}
}
/**
* Convert WordPress/Salient classes to Tailwind equivalents
*/
function convertWordPressClasses(html: string): string {
const classMap: Record<string, string> = {
// Salient/Vc_row classes
'vc_row': 'flex flex-wrap -mx-4',
'vc_row-fluid': 'w-full',
'vc_col-sm-12': 'w-full px-4',
'vc_col-md-6': 'w-full md:w-1/2 px-4',
'vc_col-md-4': 'w-full md:w-1/3 px-4',
'vc_col-md-3': 'w-full md:w-1/4 px-4',
'vc_col-lg-6': 'w-full lg:w-1/2 px-4',
'vc_col-lg-4': 'w-full lg:w-1/3 px-4',
'vc_col-lg-3': 'w-full lg:w-1/4 px-4',
// Typography
'wpb_wrapper': 'space-y-4',
'wpb_text_column': 'prose max-w-none',
'wpb_content_element': 'mb-8',
'wpb_single_image': 'my-4',
'wpb_heading': 'text-2xl font-bold mb-2',
// Alignment
'text-left': 'text-left',
'text-center': 'text-center',
'text-right': 'text-right',
'alignleft': 'float-left mr-4 mb-4',
'alignright': 'float-right ml-4 mb-4',
'aligncenter': 'mx-auto',
// Colors
'accent-color': 'text-primary',
'primary-color': 'text-primary',
'secondary-color': 'text-secondary',
'text-color': 'text-gray-800',
'light-text': 'text-gray-300',
'dark-text': 'text-gray-900',
// Backgrounds
'bg-light': 'bg-gray-50',
'bg-light-gray': 'bg-gray-100',
'bg-dark': 'bg-gray-900',
'bg-dark-gray': 'bg-gray-800',
'bg-primary': 'bg-primary',
'bg-secondary': 'bg-secondary',
'bg-white': 'bg-white',
'bg-transparent': 'bg-transparent',
// Buttons
'btn': 'inline-flex items-center justify-center px-4 py-2 rounded-lg font-semibold transition-colors duration-200',
'btn-primary': 'bg-primary text-white hover:bg-primary-dark',
'btn-secondary': 'bg-secondary text-white hover:bg-secondary-light',
'btn-outline': 'border-2 border-primary text-primary hover:bg-primary hover:text-white',
'btn-large': 'px-6 py-3 text-lg',
'btn-small': 'px-3 py-1 text-sm',
// Containers
'container': 'container mx-auto px-4',
'container-fluid': 'w-full px-4',
// Spacing
'mt-0': 'mt-0', 'mb-0': 'mb-0',
'mt-2': 'mt-2', 'mb-2': 'mb-2',
'mt-4': 'mt-4', 'mb-4': 'mb-4',
'mt-6': 'mt-6', 'mb-6': 'mb-6',
'mt-8': 'mt-8', 'mb-8': 'mb-8',
'mt-12': 'mt-12', 'mb-12': 'mb-12',
// WordPress specific
'wp-caption': 'figure',
'wp-caption-text': 'figcaption text-sm text-gray-600 mt-2',
'alignnone': 'block',
'size-full': 'w-full',
'size-large': 'w-full max-w-3xl',
'size-medium': 'w-full max-w-xl',
'size-thumbnail': 'w-32 h-32',
};
let processed = html;
// Replace classes in HTML
Object.entries(classMap).forEach(([wpClass, twClass]) => {
// Handle class="..." with the class at the beginning
const classRegex1 = new RegExp(`class=["']${wpClass}\\s+([^"']*)["']`, 'g');
processed = processed.replace(classRegex1, (match, rest) => {
const newClasses = `${twClass} ${rest}`.trim().replace(/\s+/g, ' ');
return `class="${newClasses}"`;
});
// Handle class="..." with the class in the middle
const classRegex2 = new RegExp(`class=["']([^"']*)\\s+${wpClass}\\s+([^"']*)["']`, 'g');
processed = processed.replace(classRegex2, (match, before, after) => {
const newClasses = `${before} ${twClass} ${after}`.trim().replace(/\s+/g, ' ');
return `class="${newClasses}"`;
});
// Handle class="..." with the class at the end
const classRegex3 = new RegExp(`class=["']([^"']*)\\s+${wpClass}["']`, 'g');
processed = processed.replace(classRegex3, (match, before) => {
const newClasses = `${before} ${twClass}`.trim().replace(/\s+/g, ' ');
return `class="${newClasses}"`;
});
// Handle class="..." with only the class
const classRegex4 = new RegExp(`class=["']${wpClass}["']`, 'g');
processed = processed.replace(classRegex4, `class="${twClass}"`);
});
return processed;
}
/**
* Get image props from source using the data layer
*/
function getImageProps(src: string): { src: string; width?: number; height?: number; alt?: string } {
// Check if it's a data attribute for WordPress image ID
if (src.startsWith('data-wp-image-id:')) {
const imageId = src.replace('data-wp-image-id:', '');
const media = getMediaById(parseInt(imageId));
if (media) {
return {
src: media.localPath,
width: media.width || 800,
height: media.height || 600,
alt: media.alt || ''
};
}
}
// Try to find by URL
const media = getMediaByUrl(src);
if (media) {
return {
src: media.localPath,
width: media.width || 800,
height: media.height || 600,
alt: media.alt || ''
};
}
// Check if it's already a local path
if (src.startsWith('/media/')) {
return { src, width: 800, height: 600 };
}
// Return as-is for external URLs
return { src, width: 800, height: 600 };
}
/**
* Process background attributes and convert to inline styles
*/
function processBackgroundAttributes(element: HTMLElement): { style?: string; className?: string } {
const result: { style?: string; className?: string } = {};
const styles: string[] = [];
const classes: string[] = [];
// Check for data attributes from shortcodes
const bgImage = element.getAttribute('data-bg-image');
const bgVideo = element.getAttribute('data-video-bg');
const videoMp4 = element.getAttribute('data-video-mp4');
const videoWebm = element.getAttribute('data-video-webm');
const parallax = element.getAttribute('data-parallax');
// Handle background image
if (bgImage) {
const media = getMediaById(parseInt(bgImage));
if (media) {
styles.push(`background-image: url(${media.localPath})`);
styles.push('background-size: cover');
styles.push('background-position: center');
classes.push('bg-cover', 'bg-center');
}
}
// Handle video background
if (bgVideo === 'true' && (videoMp4 || videoWebm)) {
// This will be handled by a separate video component
// For now, we'll add a marker class
classes.push('has-video-background');
if (videoMp4) element.setAttribute('data-video-mp4', videoMp4);
if (videoWebm) element.setAttribute('data-video-webm', videoWebm);
}
// Handle parallax
if (parallax === 'true') {
classes.push('parallax-bg');
}
// Handle inline styles from shortcode attributes
const colorOverlay = element.getAttribute('color_overlay');
const overlayStrength = element.getAttribute('overlay_strength');
const topPadding = element.getAttribute('top_padding');
const bottomPadding = element.getAttribute('bottom_padding');
if (colorOverlay) {
const opacity = overlayStrength ? parseFloat(overlayStrength) : 0.5;
styles.push(`position: relative`);
classes.push('relative');
// Add overlay as a child element marker
element.setAttribute('data-color-overlay', colorOverlay);
element.setAttribute('data-overlay-opacity', opacity.toString());
}
if (topPadding) {
styles.push(`padding-top: ${topPadding}`);
}
if (bottomPadding) {
styles.push(`padding-bottom: ${bottomPadding}`);
}
if (styles.length > 0) {
result.style = styles.join('; ');
}
if (classes.length > 0) {
result.className = classes.join(' ');
}
return result;
}
// Sub-components for specific content types
export const ContentBlock: React.FC<{
title?: string;
content: string;
className?: string;
}> = ({ title, content, className = '' }) => (
<div className={cn('mb-8', className)}>
{title && <h3 className="text-2xl font-bold mb-4">{title}</h3>}
<ContentRenderer content={content} />
</div>
);
export const RichText: React.FC<{
html: string;
className?: string;
}> = ({ html, className = '' }) => (
<ContentRenderer content={html} className={className} />
);
export default ContentRenderer;