Add elasticlunr

.eleventy.js

@@ -3,7 +3,7 @@ const syntaxHighlightingPlugin = require("@11ty/eleventy-plugin-syntaxhighlight"
 const markdownIt = require('markdown-it');
 const markdownItClass = require('@toycode/markdown-it-class');
 const markdownItAnchor = require('markdown-it-anchor')
-
+const searchFilter = require("./content/filters/searchFilter");
 
 module.exports = function(eleventyConfig) {
   eleventyConfig.addPlugin(navigationPlugin)
@@ -12,6 +12,8 @@ module.exports = function(eleventyConfig) {
   eleventyConfig.addPassthroughCopy("assets")
   eleventyConfig.addPassthroughCopy("fonts")
 
+  eleventyConfig.addFilter("search", searchFilter);
+
   eleventyConfig.addShortcode("fas_icon", function(name) { return `<span class="fas fa-${name}"></span>` })
 
   const mapping = {

content/filters/searchFilter.js

@@ -0,0 +1,19 @@
+const elasticlunr = require("elasticlunr");
+
+module.exports = function (collection) {
+  var index = elasticlunr(function () {
+    this.setRef("id");
+    this.addField("title");
+    this.addField("content");
+  });
+
+  collection.forEach((page) => {
+    index.addDoc({
+      id: page.url,
+      title: page.title,
+      content: page.content,
+    });
+  });
+
+  return index.toJSON();
+};

content/search-index.njk

@@ -0,0 +1,6 @@
+---
+permalink: /search-index.json
+layout: null
+---
+
+{{ collections.all | search | dump | safe }}

package-lock.json

@@ -10,6 +10,7 @@
         "@11ty/eleventy-navigation": "^0.3.2",
         "@11ty/eleventy-plugin-syntaxhighlight": "^3.1.2",
         "@toycode/markdown-it-class": "^1.2.4",
+        "elasticlunr": "^0.9.5",
         "markdown-it-anchor": "^8.1.2"
       }
     },
@@ -1073,6 +1074,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/elasticlunr": {
+      "version": "0.9.5",
+      "resolved": "https://registry.npmjs.org/elasticlunr/-/elasticlunr-0.9.5.tgz",
+      "integrity": "sha1-ZVQbswnd3Qz5Ty0ciGGyvmUbsNU=",
+      "dev": true
+    },
     "node_modules/emoji-regex": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
@@ -4880,6 +4887,12 @@
       "integrity": "sha512-7vmuyh5+kuUyJKePhQfRQBhXV5Ce+RnaeeQArKu1EAMpL3WbgMt5WG6uQZpEVvYSSsxMXRKOewtDk9RaTKXRlA==",
       "dev": true
     },
+    "elasticlunr": {
+      "version": "0.9.5",
+      "resolved": "https://registry.npmjs.org/elasticlunr/-/elasticlunr-0.9.5.tgz",
+      "integrity": "sha1-ZVQbswnd3Qz5Ty0ciGGyvmUbsNU=",
+      "dev": true
+    },
     "emoji-regex": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",

package.json

@@ -13,6 +13,7 @@
     "@11ty/eleventy-navigation": "^0.3.2",
     "@11ty/eleventy-plugin-syntaxhighlight": "^3.1.2" ,
     "@toycode/markdown-it-class": "^1.2.4",
-    "markdown-it-anchor": "^8.1.2"
+    "markdown-it-anchor": "^8.1.2",
+    "elasticlunr": "^0.9.5"
   }
 }