Function _getKeyResolver

src/helpers/helpers.core.ts:363–376

(key: string)

}

function _getKeyResolver(key: string) {
  const keys = _splitKey(key);
  return obj => {
    for (const k of keys) {
      if (k === '') {
        // For backward compatibility:
        // Chart.helpers.core resolveObjectKey should break at empty key
        break;
      }
      obj = obj && obj[k];
    }
    return obj;
  };
}

export function resolveObjectKey(obj: AnyObject, key: string): any {
  const resolver = keyResolvers[key] || (keyResolvers[key] = _getKeyResolver(key));