extensions/markdown-language-features/preview-src/strings.ts/getStrings
export function getStrings(): { [key: string]: string } {
	const store = document.getElementById('vscode-markdown-preview-data');
	if (store) {
		const data = store.getAttribute('data-strings');
		if (data) {
			return JSON.parse(data);
		}
	}
	throw new Error('Could not load strings');
}