og.ts

import { Base64 } from 'js-base64';

const stripEmojis = (str: string) =>
	str
		.replace(
			/([\u2700-\u27BF]|[\uE000-\uF8FF]|\uD83C[\uDC00-\uDFFF]|\uD83D[\uDC00-\uDFFF]|[\u2011-\u26FF]|\uD83E[\uDD10-\uDDFF])/g,
			'',
		)
		.replace(/\s+/g, ' ')
		.trim();

export const getAutogeneratedPostOG = (post: any, publication: any) => {
	const { title, readTimeInMinutes, reactionCount = 0, responseCount = 0, author } = post;

	const ogUrl = `${publication.url}/api/og/post`;
	const ogData: any = {};

	try {
		ogData.title = encodeURIComponent(stripEmojis(title));
		ogData.author = encodeURIComponent(author!.name);
		ogData.domain = new URL(publication.url).hostname;

		if (author!.profilePicture) {
			ogData.photo = author!.profilePicture;
		}

		if (readTimeInMinutes) {
			ogData.readTime = readTimeInMinutes;
		}

		if (reactionCount > 0) {
			ogData.reactions = reactionCount;
		}

		if (responseCount > 0) {
			ogData.comments = responseCount;
		}
	} catch (e) {
		console.log(e);
	}
	return `${ogUrl}?og=${Base64.encode(JSON.stringify(ogData))}`;
};

export const getAutogeneratedPublicationOG = (publication: any) => {
	const { title, isTeam, favicon, author, followersCount, descriptionSEO } = publication;
	const totalDocuments = publication.posts!.totalDocuments;
	const logo = publication.preferences!.logo;

	const ogUrl = `${publication.url}/api/og/home`;
	const ogData: Record<string, any> = {};

	try {
		ogData.title = title
			? encodeURIComponent(stripEmojis(title))
			: `${author!.name}'s ${isTeam ? 'team' : ''} blog`;
		ogData.domain = new URL(publication.url).hostname;
		ogData.followers = isTeam ? followersCount : author!.followersCount;

		if (author!.profilePicture && !isTeam) {
			ogData.photo = author!.profilePicture;
		}

		if (logo) {
			ogData.logo = logo;
		}

		if (isTeam) {
			ogData.isTeam = isTeam;
		}

		if (descriptionSEO) {
			ogData.meta = encodeURIComponent(stripEmojis(descriptionSEO)); // Vercel OG is not able to work with all kinds of emojis
		}

		if (favicon) {
			ogData.favicon = favicon;
		}

		if (totalDocuments && totalDocuments > 0) {
			ogData.articles = totalDocuments;
		}
	} catch (e) {
		console.log(e);
	}
	return `${ogUrl}?og=${Base64.encode(JSON.stringify(ogData))}`;
};