Downloads Mastodon Emoji

download mastodon instance emoji.js

getEmoji("fedi.fun");

function loadJSON(url, callback) {
	var xhr = new XMLHttpRequest();
	xhr.overrideMimeType("application/json");
	xhr.open("GET", url, true);
	xhr.onreadystatechange = function () {
		if (xhr.readyState === 4 && xhr.status === 200) {
			callback(xhr.responseText);
		}
	};
	xhr.send(null);
}

function downloadFile(url, filename) {
	fetch(url)
		.then((response) => response.blob())
		.then((blob) => {
			const url = window.URL.createObjectURL(blob);
			const link = document.createElement("a");
			link.href = url;
			link.download = filename;
			document.body.appendChild(link);
			link.click();
			document.body.removeChild(link);
			window.URL.revokeObjectURL(url);
		});
}

function getEmoji(instance) {
	loadJSON(`https://${instance}/api/v1/custom_emojis`, function (response) {
		data = JSON.parse(response);
		for (var l of data) {
			console.log(l.shortcode + "." + l.url.split(".")[3], l.url);
			downloadFile(l.url, l.shortcode + "." + l.url.split(".")[3]);
		}
		console.log(`Found ${data.length} Emoji on ${instance}.`)
	});
}