scrivito/src/scrivito_sdk/common/is_present.ts

Scrivito is a professional, yet easy to use SaaS Enterprise Content Management Service, built for digital agencies and medium to large businesses. It is completely maintenance-free, cost-effective, and has unprecedented performance and security.

/** returns true, iff the given value is not null and not undefined.
 * (helps typescript infer the typing when used with higher-order functions)
 */
export function isPresent<T>(
  maybeValue: T | null | undefined
): maybeValue is T {
  return maybeValue !== null && maybeValue !== undefined;
}