expand-gh-changed-files.js

async function expandAll() {
	const nonShownLargeDiffExpanders = Array.from(document.querySelectorAll(".load-diff-button"));
	for (const e of nonShownLargeDiffExpanders) {
		e.click();
	}
	await new Promise(r => setTimeout(r, 200));
	let expanders;
	do {
		expanders = Array.from(document.querySelectorAll(".js-expand"));
		for (const e of expanders) {
			e.click();
		}
		await new Promise(r => setTimeout(r, 200));
	} while (expanders.length);
}