Method isEmpty

src/danfojs-base/shared/utils.ts:94–108

* Checks if a value is empty. Empty means it's either null, undefined or NaN. * Empty strings are NOT considered empty. * @param value The value to check. * @returns boolean indicating if the value is empty

(value: T)

     * @returns boolean indicating if the value is empty
     */
    isEmpty<T>(value: T): boolean {
        if (value === undefined || value === null) {
            return true;
        }
        
        if (typeof value === 'bigint') {
            return false; // BigInt values are never considered empty
        }
        
        if (typeof value === 'number') {
            return isNaN(value);
        }
        
        return false; // All other types (strings, objects, arrays, etc) are not considered empty
    }

    /**
     * Checks if a value is a date object