publish sitemap.xml with getServerSideProps instead of next-sitemap (#720)

very VERY hacky right now but I still prefer this

.gitignore

@@ -2,9 +2,6 @@
 /.next/
 /out/
 
-# generated at build-time by next-sitemap
-public/sitemap.xml
-
 # node/npm/yarn
 node_modules/
 package-lock.json

next-sitemap.js

@@ -1,7 +0,0 @@
-const config = require("./lib/config");
-
-module.exports = {
-  siteUrl: config.baseUrl || "",
-  changefreq: "weekly",
-  exclude: ["/feed.xml", "/feed.atom", "/site.webmanifest"],
-};

package.json

@@ -16,7 +16,6 @@
   "scripts": {
     "dev": "cross-env NODE_OPTIONS='--inspect' next dev",
     "build": "next build",
-    "postbuild": "next-sitemap",
     "analyze": "cross-env ANALYZE=true next build",
     "lint": "run-s lint:*",
     "lint:next": "next lint",
@@ -47,7 +46,6 @@
     "next": "v12.0.8-canary.15",
     "next-mdx-remote": "^3.0.8",
     "next-seo": "^4.28.1",
-    "next-sitemap": "^1.6.203",
     "node-fetch": "^3.1.0",
     "p-retry": "^5.0.0",
     "prop-types": "^15.8.0",

pages/sitemap.xml.ts

@@ -0,0 +1,70 @@
+// WARNING: THIS FILE CONTAINS HISTORICAL LEVELS OF HACKINESS AND SHOULD NOT BE REPLICATED NOR ADMIRED.
+
+import { getAllNotes } from "../lib/parse-notes";
+import { baseUrl } from "../lib/config";
+import type { GetServerSideProps } from "next";
+
+const Sitemap = () => null;
+
+type Page = {
+  relUrl: string;
+  priority?: number;
+  changeFreq?: string;
+  lastMod?: string | Date;
+};
+
+export const getServerSideProps: GetServerSideProps = async (context) => {
+  // TODO: make this not manual (serverless functions can't see /pages at runtime)
+  const pages: Page[] = [
+    { relUrl: "/", priority: 1.0, changeFreq: "weekly" }, // homepage
+    { relUrl: "/notes/" },
+    { relUrl: "/birthday/" },
+    { relUrl: "/cli/" },
+    { relUrl: "/contact/" },
+    { relUrl: "/hillary/" },
+    { relUrl: "/leo/" },
+    { relUrl: "/license/", priority: 0.1, changeFreq: "yearly" },
+    { relUrl: "/previously/" },
+    { relUrl: "/privacy/", priority: 0.1, changeFreq: "yearly" },
+    { relUrl: "/projects/", changeFreq: "daily" },
+    { relUrl: "/uses/" },
+  ];
+
+  // push notes separately and use their metadata
+  getAllNotes().map((note) =>
+    pages.push({
+      relUrl: `/notes/${note.slug}/`,
+      // pull lastMod from front matter date
+      lastMod: note.date,
+    })
+  );
+
+  const xml = `<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  ${pages
+    .map(
+      (page) => `
+  <url>
+    <loc>${baseUrl}${page.relUrl}</loc>
+    <priority>${page.priority ? page.priority.toFixed(1) : 0.7}</priority>
+    <changefreq>${page.changeFreq || "monthly"}</changefreq>
+    <lastmod>${page.lastMod || new Date().toISOString()}</lastmod>
+  </url>`
+    )
+    .join("")
+    .trim()}
+</urlset>`;
+
+  const { res } = context;
+  res.setHeader("content-type", "application/xml; charset=utf-8");
+  // cache on edge for one hour
+  res.setHeader("cache-control", "s-maxage=3600, stale-while-revalidate");
+  res.write(xml);
+  res.end();
+
+  return {
+    props: {},
+  };
+};
+
+export default Sitemap;

yarn.lock

@@ -1038,11 +1038,6 @@
     "@babel/helper-validator-identifier" "^7.16.7"
     to-fast-properties "^2.0.0"
 
-"@corex/deepmerge@^2.6.34":
-  version "2.6.148"
-  resolved "https://registry.yarnpkg.com/@corex/deepmerge/-/deepmerge-2.6.148.tgz#8fa825d53ffd1cbcafce1b6a830eefd3dcc09dd5"
-  integrity sha512-6QMz0/2h5C3ua51iAnXMPWFbb1QOU1UvSM4bKBw5mzdT+WtLgjbETBBIQZ+Sh9WvEcGwlAt/DEdRpIC3XlDBMA==
-
 "@eslint/eslintrc@^1.0.5":
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-1.0.5.tgz#33f1b838dbf1f923bfa517e008362b78ddbbf318"
@@ -3734,16 +3729,16 @@ lint-staged@^12.1.5:
     yaml "^1.10.2"
 
 listr2@^3.13.5:
-  version "3.13.5"
-  resolved "https://registry.yarnpkg.com/listr2/-/listr2-3.13.5.tgz#105a813f2eb2329c4aae27373a281d610ee4985f"
-  integrity sha512-3n8heFQDSk+NcwBn3CgxEibZGaRzx+pC64n3YjpMD1qguV4nWus3Al+Oo3KooqFKTQEJ1v7MmnbnyyNspgx3NA==
+  version "3.14.0"
+  resolved "https://registry.yarnpkg.com/listr2/-/listr2-3.14.0.tgz#23101cc62e1375fd5836b248276d1d2b51fdbe9e"
+  integrity sha512-TyWI8G99GX9GjE54cJ+RrNMcIFBfwMPxc3XTFiAYGN4s10hWROGtOg7+O6u6LE3mNkyld7RSLE6nrKBvTfcs3g==
   dependencies:
     cli-truncate "^2.1.0"
     colorette "^2.0.16"
     log-update "^4.0.0"
     p-map "^4.0.0"
     rfdc "^1.3.0"
-    rxjs "^7.4.0"
+    rxjs "^7.5.1"
     through "^2.3.8"
     wrap-ansi "^7.0.0"
 
@@ -3880,13 +3875,6 @@ markdown-escapes@^1.0.0:
   resolved "https://registry.yarnpkg.com/markdown-escapes/-/markdown-escapes-1.0.4.tgz#c95415ef451499d7602b91095f3c8e8975f78535"
   integrity sha512-8z4efJYk43E0upd0NbVXwgSTQs6cT3T06etieCMEg7dRbzCbxUCK/GHlX8mhHRDcp+OLlHkPKsvqQTCvsRl2cg==
 
-matcher@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/matcher/-/matcher-4.0.0.tgz#a42a05a09aaed92e2d241eb91fddac689461ea51"
-  integrity sha512-S6x5wmcDmsDRRU/c2dkccDwQPXoFczc5+HpQ2lON8pnvHlnvHAHj5WlLVvw6n6vNyHuVugYrFohYxbS+pvFpKQ==
-  dependencies:
-    escape-string-regexp "^4.0.0"
-
 mathml-tag-names@^2.1.3:
   version "2.1.3"
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.3.tgz#4ddadd67308e780cf16a47685878ee27b736a0a3"
@@ -4056,15 +4044,6 @@ next-seo@^4.28.1:
   resolved "https://registry.yarnpkg.com/next-seo/-/next-seo-4.28.1.tgz#c98ee559c8ab7196c62d0f6903afd7a8cde47a03"
   integrity sha512-WZgwdM+UhpNF3A37zFllzmPhnOVJ9vYeYlc0n3Z/kYfz/QQgy8NEdncNNggS9dU4JD8xriaCcyknhy5OsrFsJw==
 
-next-sitemap@^1.6.203:
-  version "1.6.203"
-  resolved "https://registry.yarnpkg.com/next-sitemap/-/next-sitemap-1.6.203.tgz#bfa2e67fea2bab1efed60cda743e7f98dc00bb46"
-  integrity sha512-WigcoqIUNbXQa2GnwOiCOydGx/XHCS4kRtIPNEsc8DGX2XvJtbAJKRxcidZZ2KihTAtwwCu1XQ4Hbof4mJbvLg==
-  dependencies:
-    "@corex/deepmerge" "^2.6.34"
-    matcher "^4.0.0"
-    minimist "^1.2.5"
-
 next@v12.0.8-canary.15:
   version "12.0.8-canary.15"
   resolved "https://registry.yarnpkg.com/next/-/next-12.0.8-canary.15.tgz#afe3aafac9eda2d7f5de81c1fac9a75b80a799d6"
@@ -4919,7 +4898,7 @@ run-parallel@^1.1.9:
   dependencies:
     queue-microtask "^1.2.2"
 
-rxjs@^7.4.0:
+rxjs@^7.5.1:
   version "7.5.1"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-7.5.1.tgz#af73df343cbcab37628197f43ea0c8256f54b157"
   integrity sha512-KExVEeZWxMZnZhUZtsJcFwz8IvPvgu4G2Z2QyqjZQzUGr32KDYuSxrEYO4w3tFFNbfLozcrKUTvTPi+E9ywJkQ==