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App.svelte
Santa.svelte
<script>
import { mount, unmount } from 'svelte';
import Santa from './Santa.svelte';
let target;
let component;
</script>

<button
disabled={!!component}
onclick={() => {
component = mount(Santa, { target });
}}
>mount</button>

<button
disabled={!component}
onclick={async () => {
await unmount(component, { outro: true });
component = null;
}}
>unmount</button>

<div bind:this={target}></div>

Error compiling component

WebAssembly.instantiateStreaming(): value type opcode @+13
import "svelte/internal/disclose-version";
import "svelte/internal/flags/legacy";
import * as $ from "svelte/internal/client";
import { mount, unmount } from 'svelte';
import Santa from './Santa.svelte';

var on_click = (_, component, target) => {
$.set(component, mount(Santa, { target: $.get(target) }));
};

var on_click_1 = async (__1, component) => {
await unmount($.get(component), { outro: true });
$.set(component, null);
};

var root = $.template(`<button>mount</button> <button>unmount</button> <div></div>`, 1);

export default function App($$anchor, $$props) {
$.push($$props, false);

let target = $.mutable_state();
let component = $.mutable_state();

$.init();

var fragment = root();
var button = $.first_child(fragment);

button.__click = [on_click, component, target];

var button_1 = $.sibling(button, 2);

button_1.__click = [on_click_1, component];

var div = $.sibling(button_1, 2);

result = svelte.compile(source, {
generate: ,
});
/* Add a <style> tag to see the CSS output */
		
			
				
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                }
              ]
            • kind: "let"
            }
          ]
        • sourceType: "module"
        }
      • attributes: []
      }
    }
The AST is not public API and may change at any point in time