mirror of
https://github.com/withastro/astro.git
synced 2024-12-23 21:53:55 -05:00
17 lines
427 B
JavaScript
17 lines
427 B
JavaScript
|
async function polyfill() {
|
||
|
|
const { hydrateShadowRoots } = await import(
|
||
|
|
'@webcomponents/template-shadowroot/template-shadowroot.js'
|
||
|
|
);
|
||
|
|
hydrateShadowRoots(document.body);
|
||
|
|
}
|
||
|
|
|
||
|
|
const polyfillCheckEl = new DOMParser()
|
||
|
|
.parseFromString(`<p><template shadowroot="open"></template></p>`, 'text/html', {
|
||
|
|
includeShadowRoots: true,
|
||
|
|
})
|
||
|
|
.querySelector('p');
|
||
|
|
|
||
|
|
if (!polyfillCheckEl || !polyfillCheckEl.shadowRoot) {
|
||
|
|
polyfill();
|
||
|
|
}
|