<Show> / when
Render content when an expression is truthy.
import { Show } from "rvx";
<Show when={someCondition}>
{() => <>Hello World!</>}
</Show>
import { when } from "./rvx.js";
when(someCondition, () => "Hello World!")
Truthy Results
Truthy condition results are passed to the child callback as the first argument.
const message = $("Hello World!");
<Show when={message}>
{value => <h1>{value}</h1>}
</Show>
const message = $("Hello World!");
when(message, value => e("h1").append(value))
Fallback
A function to render fallback content can be specified as the else
property.
<Show when={message} else={() => <>No message.</>}>
{value => <h1>{value}</h1>}
</Show>
when(message, value => e("h1").append(value), () => "No message.")