misskey/packages/backend/assets/embed.js

32 lines
784 B
JavaScript

/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: MIT
*/
//@ts-check
(() => {
/** @type {NodeListOf<HTMLIFrameElement>} */
const els = document.querySelectorAll('iframe[data-misskey-embed-id]');
window.addEventListener('message', function (event) {
els.forEach((el) => {
if (event.source !== el.contentWindow) {
return;
}
const id = el.dataset.misskeyEmbedId;
if (event.data.type === 'misskey:embed:ready') {
el.contentWindow?.postMessage({
type: 'misskey:embedParent:registerIframeId',
payload: {
iframeId: id,
}
}, '*');
}
if (event.data.type === 'misskey:embed:changeHeight' && event.data.iframeId === id) {
el.style.height = event.data.payload.height + 'px';
}
});
});
})();