onMount()

Register a callback that runs after the component is inserted into the DOM.

Signature

function onMount(fn: () => void | (() => void)): void

Parameters

Param	Type	Description
fn	() => void | (() => void)	Mount callback. Can return a cleanup function.

Examples

import { component, onMount, div } from "@whisq/core";

const App = component(() => {
  onMount(() => {
    console.log("mounted!");
    return () => console.log("cleanup!");
  });

  return div("Hello");
});

🐱 Whisker Tip

Must be called inside a component() setup function. Throws if called outside.