Embed Infogram in WordPress

Here is a plugin to enable embeds for Infogram URLs. Simply paste the URL on your page and it will become an embed on your site.

	<?php
	/*
	Plugin Name: Infogram oEmbed
	Plugin URI:
	Description: Adds oEmbed support for infogr.am and infogram.com urls.
	Author: khromov
	Version: 1.0
	Author URI: https://khromov.se
	*/

	wp_oembed_add_provider('https://infogr.am/*', 'https://infogr.am/oembed_iframe');
	wp_oembed_add_provider('https://infogram.com/*', 'https://infogram.com/oembed_iframe');

	add_action('wp_footer', function() {
	?>
	<script>
	window.addEventListener('message', function(e) {
	let data;
	try {
	data = JSON.parse(e.data);
	} catch (e) {
	return false;
	}

	if (data.context !== 'iframe.resize') {
	return false;
	}

	let iframe = document.querySelector('iframe[src="' + data.src + '"]');

	if (!iframe) {
	return false;
	}

	iframe.height = data.height;
	});
	</script>
	<?php
	});