From 80db9f03fe656834e3086e54ec4535fdabe222e3 Mon Sep 17 00:00:00 2001
From: Daniel Helm <dan.helm@gmail.com>
Date: Tue, 11 Jan 2022 16:08:00 -0600
Subject: [PATCH] add sitemap generation

---
 packages/website/gatsby-config.js | 69 +++++++++++++++++++++++++++++++
 packages/website/package.json     |  1 +
 packages/website/yarn.lock        | 34 ++++++++++++++-
 3 files changed, 103 insertions(+), 1 deletion(-)

diff --git a/packages/website/gatsby-config.js b/packages/website/gatsby-config.js
index 49a77eb3..8081d333 100644
--- a/packages/website/gatsby-config.js
+++ b/packages/website/gatsby-config.js
@@ -117,6 +117,75 @@ module.exports = {
         siteUrl: "https://siasky.net",
       },
     },
+    {
+      resolve: "gatsby-plugin-sitemap",
+      options: {
+        output: "/",
+        createLinkInHead: true,
+        excludes: ["/using-typescript/"],
+        query: `
+          {
+            site {
+              siteMetadata {
+                siteUrl
+              }
+            }
+            allSitePage {
+              nodes {
+                path
+              }
+            }
+            allMarkdownRemark {
+              nodes {
+                frontmatter {
+                  date,
+                  hidden
+                },
+                fields {
+                  slug
+                }
+              }
+            }
+          }
+        `,
+        resolvePages: ({ allSitePage: { nodes: allPages }, allMarkdownRemark: { nodes: allNews } }) => {
+          const pathToDateMap = {};
+
+          allNews.map((post) => {
+            pathToDateMap[post.fields.slug] = { date: post.frontmatter.date, hidden: post.frontmatter.hidden };
+          });
+
+          // modify pages to filter out hidden news items and add date
+          const pages = allPages
+            .filter((page) => {
+              if (pathToDateMap[page.path] && pathToDateMap[page.path].hidden) {
+                return false;
+              }
+
+              return true;
+            })
+            .map((page) => {
+              return { ...page, ...pathToDateMap[page.path] };
+            });
+
+          return pages;
+        },
+        serialize: ({ path, date }) => {
+          let entry = {
+            url: path,
+            changefreq: "daily",
+            priority: 0.5,
+          };
+
+          if (date) {
+            entry.priority = 0.7;
+            entry.lastmod = date;
+          }
+
+          return entry;
+        },
+      },
+    },
   ],
   // mapping: {
   //   "MarkdownRemark.frontmatter.author": `teamYaml`,
diff --git a/packages/website/package.json b/packages/website/package.json
index 3d648212..64345738 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -25,6 +25,7 @@
     "gatsby-plugin-react-helmet": "5.4.0",
     "gatsby-plugin-robots-txt": "1.6.14",
     "gatsby-plugin-sharp": "4.4.0",
+    "gatsby-plugin-sitemap": "^5.5.0",
     "gatsby-plugin-svgr": "3.0.0-beta.0",
     "gatsby-remark-classes": "1.0.2",
     "gatsby-remark-copy-linked-files": "5.4.0",
diff --git a/packages/website/yarn.lock b/packages/website/yarn.lock
index 59b62959..5de50b1e 100644
--- a/packages/website/yarn.lock
+++ b/packages/website/yarn.lock
@@ -2137,6 +2137,11 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.18.0.tgz#98df2397f6936bfbff4f089e40e06fa5dd88d32a"
   integrity sha512-0GeIl2kmVMXEnx8tg1SlG6Gg8vkqirrW752KqolYo1PHevhhZN3bhJ67qHj+bQaINhX0Ra3TlWwRvMCd9iEfNQ==
 
+"@types/node@^17.0.5":
+  version "17.0.8"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-17.0.8.tgz#50d680c8a8a78fe30abe6906453b21ad8ab0ad7b"
+  integrity sha512-YofkM6fGv4gDJq78g4j0mMuGMkZVxZDgtU0JRdx6FgiJDG+0fY0GKVolOV8WqVmEhLCXkQRjwDdKyPxJp/uucg==
+
 "@types/node@^8.5.7":
   version "8.10.66"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.66.tgz#dd035d409df322acc83dff62a602f12a5783bbb3"
@@ -2198,6 +2203,13 @@
     "@types/glob" "*"
     "@types/node" "*"
 
+"@types/sax@^1.2.1":
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/@types/sax/-/sax-1.2.4.tgz#8221affa7f4f3cb21abd22f244cfabfa63e6a69e"
+  integrity sha512-pSAff4IAxJjfAXUG6tFkO7dsSbTmf8CtUpfhhZ5VhkRpC4628tJhh3+V6H1E+/Gs9piSzYKT5yzHO5M4GG9jkw==
+  dependencies:
+    "@types/node" "*"
+
 "@types/scheduler@*":
   version "0.16.2"
   resolved "https://registry.yarnpkg.com/@types/scheduler/-/scheduler-0.16.2.tgz#1a62f89525723dde24ba1b01b092bf5df8ad4d39"
@@ -2666,7 +2678,7 @@ arg@^4.1.0:
   resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.3.tgz#269fc7ad5b8e42cb63c896d5666017261c144089"
   integrity sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==
 
-arg@^5.0.1:
+arg@^5.0.0, arg@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/arg/-/arg-5.0.1.tgz#eb0c9a8f77786cad2af8ff2b862899842d7b6adb"
   integrity sha512-e0hDa9H2Z9AwFkk2qDlwhoMYE4eToKarchkQHovNdLTCYMHZHeRjI71crOh+dio4K6u1IcwubQqo79Ga4CyAQA==
@@ -6218,6 +6230,16 @@ gatsby-plugin-sharp@4.4.0:
     svgo "1.3.2"
     uuid "3.4.0"
 
+gatsby-plugin-sitemap@^5.5.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-sitemap/-/gatsby-plugin-sitemap-5.5.0.tgz#d82bb8454711ffad2747cb2ed8d6e8e184b7ffa7"
+  integrity sha512-M98bxeJ6O4fPeefc35nv9q44D2RREdpnhPf0q6pDIJuGhXtdwXesSCCi6/4hZOUfOHyOYwxoKPlE7p7zx4SqWw==
+  dependencies:
+    "@babel/runtime" "^7.15.4"
+    common-tags "^1.8.2"
+    minimatch "^3.0.4"
+    sitemap "^7.0.0"
+
 gatsby-plugin-svgr@3.0.0-beta.0:
   version "3.0.0-beta.0"
   resolved "https://registry.yarnpkg.com/gatsby-plugin-svgr/-/gatsby-plugin-svgr-3.0.0-beta.0.tgz#7e5315f51dae2663a447899322ea1487cef93dd6"
@@ -11884,6 +11906,16 @@ sisteransi@^1.0.5:
   resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-1.0.5.tgz#134d681297756437cc05ca01370d3a7a571075ed"
   integrity sha512-bLGGlR1QxBcynn2d5YmDX4MGjlZvy2MRBDRNHLJ8VI6l6+9FUiyTFNJ0IveOSP0bcXgVDPRcfGqA0pjaqUpfVg==
 
+sitemap@^7.0.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/sitemap/-/sitemap-7.1.0.tgz#300cd8b3fa9d45fb63f9b56d962785c3cd799362"
+  integrity sha512-OctwI2RYFj3Lnoutix0Qhow3AvDoUQ7rsSyzrY8wFKHqXYvmCJXFOBZyVU4/DDtsQ2KnEWY4j4j80hBHBOVEWQ==
+  dependencies:
+    "@types/node" "^17.0.5"
+    "@types/sax" "^1.2.1"
+    arg "^5.0.0"
+    sax "^1.2.4"
+
 sjcl@^1.0.8:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/sjcl/-/sjcl-1.0.8.tgz#f2ec8d7dc1f0f21b069b8914a41a8f236b0e252a"