Extract the number of initials from a given string. Ideal for names.

strings.ts

export function extractInitials (name: string, count = 2) {
  const re = new RegExp(/\b\w/g)
  const initials = name.match(re)
  return initials !== null
    ? initials.reduce((prev, curr, index) =>
        index < count ? prev + curr : prev
      )
    : null
}

export function parseEmptyStringToUndefined(arg?: unknown) {
  return typeof arg === "string" && arg === "" ? undefined : arg;
}