import { ComponentPublicInstance, SetupContext, EmitsOptions } from 'vue';

/**
 * 获取指定插槽内容
 *
 * @param param0 组件实例instance，SetupContext（setup二入参），props
 * @param name 插槽名或者props名
 * @returns VNode
 */
export default function getSlot(
  {
    instance,
    ctx,
    props = {},
  }: {
    instance?: ComponentPublicInstance;
    ctx?: SetupContext<EmitsOptions>;
    props?: any;
  },
  name = 'default',
) {
  const targetSlot = instance?.$slots[name] || ctx?.slots[name];
  return (targetSlot ? targetSlot(instance) : '') || props[name];
}