Used by mount/render on vue-test-utils or testing-library/vue by Stubbing a component (vue 3)

customStubHasSlots.js

import { h } from 'vue'

export default {
    name: 'CustomStubHasSlots',
    props: {
        tag: {
            type: String,
            default: 'div'
        }
    },
    render() {
        let slots = [];
        Object.keys(this.$slots).map(key => {
            slots = [ ...slots, ...this.$slots[key]() ]
        })
        return h(this.tag, {}, slots)
    }
}