Advertisements I’m using the below code in a component: Box.svelte: <script lang="ts"> type T = $$Generic; export let loading = false; export let error = false; export let value: T | null | undefined = undefined; </script> <div> {#if loading} Loading… {:else if error} Error… {:else if value} <slot {value} /> {/if} </div> Using it… Read More Why this object is possibly null or undefined if it's in an else if?

Advertisements I want to use a generic type in a Svelte(Kit) component’s props, and I found out there is this type T = $$Generic thing: <script lang="ts"> import type { Writable } from "svelte/store"; type T = $$Generic; export let store: Writable<T[]>; </script> While that is great, I do need slightly more information than that:… Read More Svelte components with generics