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feat: don't prepend baseurl in the og:image when the locally stored first image in the article is used

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This commit is contained in:
grassblock 2025-05-25 23:21:45 +08:00
parent b814569bc6
commit 510669b34c
2 changed files with 3 additions and 11 deletions
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2
src/pages/post/[...slug].astro
View file

@ -33,7 +33,7 @@ let matchedImage_src;
if (matchedImage && !customFeaturedImage) {
matchedImage_src = await getImage({src: featuredImages[matchedImage], format: 'webp'}) || null;
}
const firstImageURL = await ExtractFirstImage(Content,Astro.url.origin)
const firstImageURL = await ExtractFirstImage(Content)
const cover = customFeaturedImage || matchedImage_src?.src || firstImageURL || `/post/${slug}/featured.png` || '';
---

12
src/plugins/extract-images.js
View file

@ -3,7 +3,7 @@ import {getContainerRenderer as getMDXRenderer} from "@astrojs/mdx";
import {experimental_AstroContainer as AstroContainer} from "astro/container";
import {transform, walk} from "ultrahtml";
export async function ExtractFirstImage(Content, baseUrl = '') {
export async function ExtractFirstImage(Content) {
// Load MDX renderer. Other renderers for UI frameworks (e.g. React, Vue, etc.) would need adding here if you were using those.
const renderers = await loadRenderers([getMDXRenderer()]);
@ -22,15 +22,7 @@ export async function ExtractFirstImage(Content, baseUrl = '') {
await walk(node, (node) => {
if (node.name === "img" && node.attributes.src) {
// Store the first image URL we find
if (!firstImageUrl) {
firstImageUrl = node.attributes.src.startsWith("/")
? baseUrl + node.attributes.src
: node.attributes.src;
}
// Still update the src attribute if needed
if (node.attributes.src.startsWith("/")) {
node.attributes.src = baseUrl + node.attributes.src;
}
firstImageUrl = node.attributes.src;
}
});
return node;