Function useRenderProps

packages/@react-spectrum/s2/src/NumberField.tsx:366–409

(props: any)

// replace from RAC
function useRenderProps(props: any) {
  let {
    className,
    style,
    children,
    defaultClassName = undefined,
    defaultChildren = undefined,
    defaultStyle,
    values
  } = props;

  return useMemo(() => {
    let computedClassName: string | undefined;
    let computedStyle: CSSProperties | undefined;
    let computedChildren: ReactNode | undefined;

    if (typeof className === 'function') {
      computedClassName = className({...values, defaultClassName});
    } else {
      computedClassName = className;
    }

    if (typeof style === 'function') {
      computedStyle = style({...values, defaultStyle: defaultStyle || {}});
    } else {
      computedStyle = style;
    }

    if (typeof children === 'function') {
      computedChildren = children({...values, defaultChildren});
    } else if (children == null) {
      computedChildren = defaultChildren;
    } else {
      computedChildren = children;
    }

    return {
      className: computedClassName ?? defaultClassName,
      style: computedStyle || defaultStyle ? {...defaultStyle, ...computedStyle} : undefined,
      children: computedChildren ?? defaultChildren,
      'data-rac': ''
    };
  }, [className, style, children, defaultClassName, defaultChildren, defaultStyle, values]);
}