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