antd/es/_util/fallbackProp.js

An enterprise-class UI design language and React components implementation

/**
 * Search for the first non-undefined value in the arguments and return it.
 *
 * ```js
 * const mergedIcon = fallbackProp(propIcon, contextIcon, defaultIcon);
 * ```
 *
 * Note: it is different from `??` operator which skips null
 */
export default function fallbackProp(...args) {
  return args.find(arg => arg !== undefined);
}