async function sendScript(text){
	const lines = text.split(/[\n\t]+/).map(line => line.trim()).filter(line => line);
	main = document.querySelector("#main"),
	textarea = main.querySelector(`div[contenteditable="true"]`)
	
	if(!textarea) throw new Error("not an open conversation")
	
	for(const line of lines){
		textarea.focus();
		document.execCommand('insertText', false, line);
		textarea.dispatchEvent(new Event('change', {bubbles: true}));
	
		setTimeout(() => {
			(main.querySelector(`[data-testid="send"]`) || main.querySelector(`[data-tab="11"]`)).click();
		}, 100);
		
		if(lines.indexOf(line) !== lines.length - 1) await new Promise(resolve => setTimeout(resolve, 250));
	}
	
	return lines.length;
}

sendScript(`

Hey

This

Is

A

Auto

Sender

`)