Add broken links checker plugin

Signed-off-by: Anneke Sinnema <mail@annekesinnema.nl>

.eleventy.js

@@ -3,6 +3,7 @@ const lodash = require("lodash");
 const slugify = require("slugify");
 const pluginAddIdToHeadings = require("@orchidjs/eleventy-plugin-ids");
 const pluginRss = require("@11ty/eleventy-plugin-rss");
+const brokenLinksPlugin = require("eleventy-plugin-broken-links");
 
 /**
  * Get all unique key values from a collection
@@ -84,6 +85,16 @@ module.exports = function (eleventyConfig) {
 
     eleventyConfig.addPlugin(pluginRss);
 
+    eleventyConfig.addPlugin(brokenLinksPlugin, {
+        redirect: "warn",
+        broken: "warn",
+        cacheDuration: "1d",
+        loggingLevel: 2,
+        excludeUrls: [],
+        excludeInputs: [],
+        callback: null,
+    });
+
     // Rebuild when any of the files are changed, but exclude css because that is
     // handled by the asset pipeline.
     // This seemed to cause a bug on refreshing liquid files?

package.json

@@ -39,6 +39,7 @@
         "autoprefixer": "^10.4.14",
         "cross-env": "^7.0.3",
         "cssnano": "^6.0.1",
+        "eleventy-plugin-broken-links": "^2.0.3",
         "fast-glob": "^3.3.1",
         "husky": "8.0.3",
         "jsdom": "^22.1.0",