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import { hydrate, mount, unmount } from 'svelte';
import { add_snippet_symbol } from 'svelte/internal';
// Allow a slot to be rendered as a snippet (dev validation only)
const tagSlotAsSnippet = import.meta.env.DEV ? add_snippet_symbol : (s) => s;
export default (element) => {
return async (Component, props, slotted, { client }) => {
if (!element.hasAttribute('ssr')) return;
let children = undefined;
let $$slots = undefined;
for (const [key, value] of Object.entries(slotted)) {
if (key === 'default') {
children = createSlotDefinition(key, value);
} else {
$$slots ??= {};
$$slots[key] = createSlotDefinition(key, value);
}
}
const bootstrap = client !== 'only' ? hydrate : mount;
const component = bootstrap(Component, {
target: element,
props: {
...props,
children,
$$slots,
},
});
element.addEventListener('astro:unmount', () => unmount(component), { once: true });
};
};
function createSlotDefinition(key, children) {
/**
* @param {Comment} $$anchor A comment node for slots in Svelte 5
*/
const fn = ($$anchor, _$$slotProps) => {
const parent = $$anchor.parentNode;
const el = document.createElement('div');
el.innerHTML = `<astro-slot${
key === 'default' ? '' : ` name="${key}"`
}>${children}</astro-slot>`;
parent.insertBefore(el.children[0], $$anchor);
};
return tagSlotAsSnippet(fn);
}
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