src/vs/workbench/contrib/welcome/gettingStarted/browser/gettingStartedService.ts/convertInternalMediaPathsToBrowserURIs
const convertInternalMediaPathsToBrowserURIs = (path: string | { hc: string, dark: string, light: string }): { hc: URI, dark: URI, light: URI } => {
	if (typeof path === 'string') {
		const converted = convertInternalMediaPathToBrowserURI(path);
		return { hc: converted, dark: converted, light: converted };
	} else {
		return {
			hc: convertInternalMediaPathToBrowserURI(path.hc),
			light: convertInternalMediaPathToBrowserURI(path.light),
			dark: convertInternalMediaPathToBrowserURI(path.dark)
		};
	}
};