/**
 * Reimplement the isNullOrUndefined function from NodeJS utils
 * @param value Value to check if null or undefined
 */
export function isNullOrUndefined(value: any) {
    return value === null || value === undefined;
}

/**
 * Reimplement the isString function from NodeJS utils
 * @param value Value to check if it is a String
 */
export function isString(value: any) {
    return typeof value === 'string' || value instanceof String;
}