directus/app/src/utils/get-root-path.ts

export function getRootPath(): string {
	const path = window.location.pathname;
	const parts = path.split('/');
	const adminIndex = parts.indexOf('admin');
	const rootPath = parts.slice(0, adminIndex).join('/') + '/';
	return rootPath;
}

export function getPublicURL() {
	const path = window.location.href;
	const parts = path.split('/');
	const adminIndex = parts.indexOf('admin');
	const rootPath = parts.slice(0, adminIndex).join('/') + '/';
	return rootPath;
}