组件子级 Checking for slot content • Svelte 教程

A workaround is to make a separate component that uses Button providing slot content, and use that in your test This is inconvenient because

Use the slot property to Use the worldview value to adjust administrative boundaries based on the map's audience Check if Mapbox GL JS is supported

svelte check if slot is empty In some cases, you may want to control parts of your component based on whether slotted content was passed in For example, if we remove the header> from App

sveltekit slot Testing · Troubleshooting Reference Configuration · Astro Runtime API Astro will pass an empty slot when a slot element exists but has no content to pass