export function pluralize(count: number, s: string): string { if (count === 1) { return `1 ${s}` } else { return `${count} ${s}s` } } export function capitalize(s: string): string { return s.substring(0, 1).toUpperCase() + s.substring(1) } export function classNames( displayClass?: "mobile-only" | "desktop-only", ...classes: string[] ): string { if (displayClass) { classes.push(displayClass) } return classes.join(" ") }