feat: add sitemap generator

.eleventy.js

@@ -1,19 +1,20 @@
-const { isDev } = require('./pages/views/_data/env')
+const { isDev } = require('./pages/views/_data/env');
 
 module.exports = config => {
   config.addPassthroughCopy({
     'pages/static/assets': 'assets',
     'pages/static/tools': '.',
   });
 
-  config.addFilter("sortByName", (values) => {
+  config.addFilter('sortByName', (values) => {
     if (!values || !Array.isArray(values)) {
-      console.error(`Unexpected values in "sortByName" filter: ${values}`);
+      console.error(`Unexpected values in 'sortByName' filter: ${values}`);
       return values;
     }
     return [...values].sort((a, b) => a.data.name.localeCompare(b.data.name))
   });
 
+
   config.setBrowserSyncConfig({
     files: [
       'pages/dist/bundles/*.js',
@@ -27,12 +28,12 @@ module.exports = config => {
     dir: {
       input: 'pages/views',
       output: 'pages/dist',
-      layouts: "_layouts",
+      layouts: '_layouts',
     },
     dataTemplateEngine: 'njk',
     htmlTemplateEngine: 'njk',
     passthroughFileCopy: true,
     templateFormats: ['md', 'njk'],
-    pathPrefix: "/esl/",
+    pathPrefix: '/esl/',
   };
 };

pages/views/404.njk

@@ -3,6 +3,7 @@ layout: basic
 title: 😯 404 😯
 containerCls: container
 permalink: 404.html
+ignore: true
 ---
 
 <h2 class="text-center text-warning">Page not found </h2>

pages/views/_data/site.json

@@ -0,0 +1,4 @@
+{
+  "name": "Exadel Smart Library",
+  "url": "https://exadel-inc.github.io/esl"
+}

pages/views/robots.njk

@@ -0,0 +1,8 @@
+---
+permalink: "/robots.txt"
+eleventyExcludeFromCollections: true
+---
+User-agent: *
+Allow: /
+
+Sitemap: {{ site.url }}/sitemap.xml

pages/views/sitemap.njk

@@ -0,0 +1,16 @@
+---
+permalink: "/sitemap.xml"
+eleventyExcludeFromCollections: true
+---
+
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  {% for page in collections.all %}
+    {% if page.data.ignore != true %}
+      <url>
+        <loc>{{ site.url }}{{ page.url.replace(r/\/$/, ".html") if page.data.tags else page.url }}</loc>
+        <lastmod>{{ page.date.toISOString() }}</lastmod>
+      </url>
+    {% endif %}
+  {% endfor %}
+<urlset>