Instagram messages mass delete

Instagram_mass_delete.js

// Delete Instagram chat messages using "unsend".
//
// Thanks to: https://github.com/mahdixmohammad/instapurge/blob/main/main.js

console.clear()

const conversation = document.getElementsByClassName("x78zum5 xdt5ytf x1iyjqo2 xs83m0k x1xzczws x6ikm8r x1odjw0f x1n2onr6 xh8yej3 x16o0dkt")[0];
console.log("Conversation window", conversation)
conversation.scrollTo(-1)

deleteChats().then(console.log).catch(console.error);

function delay(ms) {
	return new Promise(resolve => setTimeout(resolve, ms));
}

async function deleteMessage(conversation, lastMessage) {
	console.log("------------")

	console.log("Deleting", lastMessage)
	lastMessage.scrollIntoView({
		block: "center",
		behavior: "instant",
		container: "nearest"
	});
	await delay(200);

	// dispatch a mouseover event (i.e. hover beside the message)
	lastMessage.dispatchEvent(new MouseEvent("mouseover",{
		view: window,
		bubbles: true,
		cancelable: true,
	}));
	await delay(75);

	let options = lastMessage.getElementsByClassName("x6s0dn4 x78zum5 xdt5ytf xl56j7k");
	if (options.length === 0) {
		console.warn("No options in", lastMessage)
		conversation.click();
		return
	}
	console.log("All options", options)
	let option = options[options.length - 1];
	let optionText = option.querySelector("title").textContent.toLowerCase()
	if (!(optionText.includes("more") || optionText.includes("mehr"))) {
		// skip stuff like timestamps inbetween messages
		console.warn("Maybe timestamp")
		conversation.click();
		return
	}
	option.click();
	await delay(75);

	// the following selector returns a list of HTML Elements
	// namely the span elements "Time"[0], "Forward"[1], "Copy"[2], and "Unsend"[3]
	let moreUI = document.getElementsByClassName("html-div xdj266r x14z9mp xat24cr x1lziwak xexx8yu xyri2b x18d9i69 x1c1uobl x9f619 xjbqb8w x78zum5 x15mokao x1ga7v0g x16uus16 xbiv7yw x1uhb9sk x1plvlek xryxfnj x1iyjqo2 x2lwn1j xeuugli xdt5ytf xqjyukv x1cy8zhl x1oa3qoh x1nhvcw1");
	console.log("More ui", moreUI)
	let button = moreUI[moreUI.length - 1];
	console.log("More ui button", button)
	let unsendOrReport = button.querySelector("span").getElementsByClassName("x1lliihq x193iq5w x6ikm8r x10wlt62 xlyipyv xuxw1ft");
	console.log("More ui unsend", unsendOrReport)
	let unsendOrReportText = unsendOrReport[0].innerText.toLowerCase()

	if (unsendOrReportText.includes("unsend") || unsendOrReportText.includes("zurückrufen")) {
		// unsend
		button.click();
		await delay(200);

		// unsend popup
		let popupUnsendButton = document.getElementsByClassName("xjbqb8w x1qhh985 x10w94by x14e42zd x1yvgwvq x13fuv20 x178xt8z x1ypdohk xvs91rp x1evy7pa xdj266r x14z9mp xat24cr x1lziwak x1wxaq2x x1iorvi4 xf159sx xjkvuk6 xmzvs34 x2b8uid x87ps6o xxymvpz xh8yej3 x52vrxo x4gyw5p xkmlbd1 x1xlr1w8")[0]
		popupUnsendButton.click();
		await delay(300);
	} else {
		// focus the conversation
		conversation.click();
		await delay(100);
	}
}

let seenElements = new WeakSet()

async function deleteChats() {
	console.clear()

	const messagesList = conversation.querySelectorAll('[data-release-focus-from="CLICK"]');
	const messages = [...messagesList]
	console.log("Messages", messages)

	if (messages.length === 0) {
		return
	}

	let hasError = false
	while (messages.length > 0) {
		try {
			const message = messages.pop()
			if (seenElements.has(message)) {
				continue
			}
			seenElements.add(message)
			await deleteMessage(conversation, message);
		} catch (error) {
			console.error(error)
			hasError = true
			break;
		}
	}

	if (hasError) {
		console.error("An error happened")
		return
	}

	conversation.scrollBy(0, -100);
	await delay(500)
	await deleteChats()
}

Usage: