Merge pull request #120 from life-itself/concepts-all

[site/pages]: create index page for concepts

site/pages/concepts.js

@@ -0,0 +1,53 @@
+import { NextSeo } from "next-seo";
+import { allOtherPages } from "contentlayer/generated";
+
+export default function Concepts({ pages }) {
+  const labels = new Set(pages.map((p) => p.wikiPage.charAt(0)));
+  return (
+    <>
+      <NextSeo title="Concepts - all pages" />
+      <div className="prose dark:prose-invert pt-6 mx-4 md:mx-auto">
+        <h1>Concepts / A-Z Index</h1>
+        {Array.from(labels).map((pageTitle) => (
+          <div key={pageTitle} className="ml-2 pt-2">
+            <h3>{pageTitle}</h3>
+            <hr className="m-0 w-full" />
+            <ul className="list-disc flex flex-wrap">
+              {pages.map(
+                ({ wikiPage, wikiPath }) =>
+                  pageTitle === wikiPage.charAt(0) && (
+                    <li key={wikiPath} className="pr-8 w-fit">
+                      <a href={wikiPath}>{wikiPage}</a>
+                    </li>
+                  )
+              )}
+            </ul>
+          </div>
+        ))}
+      </div>
+    </>
+  );
+}
+
+export async function getStaticProps() {
+  const pages = allOtherPages
+    .filter((page) => page._raw.sourceFileDir === "concepts")
+    .map((page) => {
+      const wikiPath = page._raw.flattenedPath;
+      const wikiPage = wikiPath
+        .split("/")
+        .pop()
+        .replace(/-/g, " ")
+        .replace(
+          /^(\w)(.+)/,
+          (match, p1, p2) => p1.toUpperCase() + p2.toLowerCase()
+        );
+
+      return { wikiPage, wikiPath };
+    })
+    .sort((a, b) => a.wikiPage.localeCompare(b.wikiPage));
+
+  return {
+    props: { pages },
+  };
+}