import { NzSafeAny } from 'ng-zorro-antd/core/types';

export const getValue = (target: NzSafeAny, key: string): NzSafeAny => {
  const keys = typeof key === 'string' ? key.split('.') : [key];
  key = '';
  do {
    key += keys.shift();
    if (isDefined(target) && isDefined(target[key]) && (typeof target[key] === 'object' || !keys.length)) {
      target = target[key];
      key = '';
    } else if (!keys.length) {
      target = undefined;
    } else {
      key += '.';
    }
  } while (keys.length);
  if (target === undefined) return '-';
  return target;
};

export function isDefined(value: NzSafeAny): boolean {
  return typeof value !== 'undefined' && value !== null;
}