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Make external iframe render work (#35730)

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Fix #35729, #17635, #21098
This commit is contained in:
wxiaoguang
2025-10-23 16:01:38 +08:00
committed by GitHub
parent 8085c75356
commit 522c466e24
18 changed files with 294 additions and 92 deletions
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2
web_src/js/markup/content.ts
View File

@@ -4,6 +4,7 @@ import {initMarkupCodeCopy} from './codecopy.ts';
import {initMarkupRenderAsciicast} from './asciicast.ts';
import {initMarkupTasklist} from './tasklist.ts';
import {registerGlobalSelectorFunc} from '../modules/observer.ts';
import {initMarkupRenderIframe} from './render-iframe.ts';
// code that runs for all markup content
export function initMarkupContent(): void {
@@ -13,5 +14,6 @@ export function initMarkupContent(): void {
initMarkupCodeMermaid(el);
initMarkupCodeMath(el);
initMarkupRenderAsciicast(el);
initMarkupRenderIframe(el);
});
}

32
web_src/js/markup/render-iframe.ts Normal file
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@@ -0,0 +1,32 @@
import {generateElemId, queryElemChildren} from '../utils/dom.ts';
import {isDarkTheme} from '../utils.ts';
export async function loadRenderIframeContent(iframe: HTMLIFrameElement) {
const iframeSrcUrl = iframe.getAttribute('data-src');
if (!iframe.id) iframe.id = generateElemId('gitea-iframe-');
window.addEventListener('message', (e) => {
if (!e.data?.giteaIframeCmd || e.data?.giteaIframeId !== iframe.id) return;
const cmd = e.data.giteaIframeCmd;
if (cmd === 'resize') {
iframe.style.height = `${e.data.iframeHeight}px`;
} else if (cmd === 'open-link') {
if (e.data.anchorTarget === '_blank') {
window.open(e.data.openLink, '_blank');
} else {
window.location.href = e.data.openLink;
}
} else {
throw new Error(`Unknown gitea iframe cmd: ${cmd}`);
}
});
const u = new URL(iframeSrcUrl, window.location.origin);
u.searchParams.set('gitea-is-dark-theme', String(isDarkTheme()));
u.searchParams.set('gitea-iframe-id', iframe.id);
iframe.src = u.href;
}
export function initMarkupRenderIframe(el: HTMLElement) {
queryElemChildren(el, 'iframe.external-render-iframe', loadRenderIframeContent);
}