initial commit

2023-12-25 17:21:39 +08:00
commit 0bd1089d74
94 changed files with 18648 additions and 0 deletions
--- a/lib/rss.tsx
+++ b/lib/rss.tsx
@@ -0,0 +1,73 @@
+import { LatestPostCountInHomePage } from "@/consts/consts";
+import { Config } from "@/data/config";
+import { Feed } from "feed";
+import fs from "fs";
+import { MDXRemote } from "next-mdx-remote";
+import { serialize } from "next-mdx-remote/serialize";
+import { renderToString } from "react-dom/server";
+import rehypeAutolinkHeadings from "rehype-autolink-headings";
+import rehypeMathJax from "rehype-mathjax/svg";
+import rehypePresetMinify from "rehype-preset-minify";
+import rehypeSlug from "rehype-slug";
+import externalLinks from "remark-external-links";
+import remarkGfm from "remark-gfm";
+import remarkMath from "remark-math";
+import remarkPrism from "remark-prism";
+import { getPostFileContent, sortedPosts } from "./post-process";
+
+/**
+ * Generate the RSS Feed File in `./public` so it could be visited by https://domain/rss.xml
+ */
+export const generateRSSFeed = async () => {
+  const feed = new Feed({
+    title: Config.SiteTitle,
+    description: Config.Sentence,
+    id: Config.SiteDomain,
+    link: `https://${Config.SiteDomain}/`,
+    image: Config.PageCovers.websiteCoverURL,
+    favicon: `https://${Config.SiteDomain}/favcion.ico`,
+    copyright: `COPYRIGHT © ${Config.YearStart}-${new Date().getFullYear()} ${Config.AuthorName} ALL RIGHTS RESERVED`,
+    generator: "Node.js Feed",
+    author: {
+      name: Config.AuthorName,
+      email: Config.SocialLinks.email,
+      link: `https://${Config.SiteDomain}/`,
+    },
+  });
+
+  for (let i = 0; i < LatestPostCountInHomePage; i++) {
+    const post = sortedPosts.allPostList[i];
+    const postContent = `${getPostFileContent(
+      post.id,
+    )}\n---\n**NOTE:** Different RSS reader may have deficient even no support for svg formulations rendering. If it happens, please read the origin page to have better experience.`;
+    const dateNumber = post.frontMatter.time.split("-").map((num) => parseInt(num));
+    const mdxSource = await serialize(postContent ?? "", {
+      parseFrontmatter: true,
+      mdxOptions: {
+        remarkPlugins: [remarkPrism, externalLinks, remarkMath, remarkGfm],
+        rehypePlugins: [rehypeMathJax, rehypeAutolinkHeadings, rehypeSlug, rehypePresetMinify as any],
+        format: "md",
+      },
+    });
+    const htmlContent = renderToString(<MDXRemote {...mdxSource} />);
+
+    feed.addItem({
+      title: post.frontMatter.title,
+      id: post.id,
+      link: `https://${Config.SiteDomain}/blog/${post.id}`,
+      description: post.frontMatter.summary ?? undefined,
+      content: htmlContent,
+      author: [
+        {
+          name: Config.AuthorName,
+          email: Config.SocialLinks.email,
+          link: `https://${Config.SiteDomain}/`,
+        },
+      ],
+      category: post.frontMatter.tags?.map((tagname) => ({ name: tagname })),
+      date: new Date(dateNumber[0], dateNumber[1], dateNumber[2]),
+      image: post.frontMatter.coverURL ?? undefined,
+    });
+  }
+  fs.writeFile("./public/rss.xml", feed.rss2(), "utf-8", (err) => {});
+};