From 3176a78c03d93e9a150be3586a85939ecef6c537 Mon Sep 17 00:00:00 2001
From: Utsob Roy <roy@utsob.me>
Date: Thu, 19 Jan 2023 19:46:56 +0600
Subject: [PATCH] better tag search (#46)

---
 .eleventy.js                       | 21 ++++++++++++++++
 netlify/functions/search/search.js | 39 +++++++++++++++---------------
 src/site/lunr.njk                  |  2 +-
 3 files changed, 42 insertions(+), 20 deletions(-)

diff --git a/.eleventy.js b/.eleventy.js
index 6144b6b..ca618f4 100644
--- a/.eleventy.js
+++ b/.eleventy.js
@@ -202,6 +202,27 @@ module.exports = function (eleventyConfig) {
     );
   });
 
+  eleventyConfig.addFilter("searchableTags", function (str) {
+    let tags;
+    let match =
+      str &&
+      str.match(
+        /(^|\s|\>)(#[^\s!@#$%^&*()=+\.\/,\[{\]};:'"?><]+)(?!([^<]*>))/g
+      );
+    if (match) {
+      tags = match
+        .map((m) => {
+          return `"${m.split("#")[1]}"`;
+        })
+        .join(", ");
+    }
+    if (tags) {
+      return `${tags},`;
+    } else {
+      return "";
+    }
+  });
+
   eleventyConfig.addTransform("callout-block", function (str) {
     const parsed = parse(str);
 
diff --git a/netlify/functions/search/search.js b/netlify/functions/search/search.js
index 6b28075..f4bb4e8 100644
--- a/netlify/functions/search/search.js
+++ b/netlify/functions/search/search.js
@@ -1,28 +1,29 @@
-const lunrjs = require('lunr');
+const lunrjs = require("lunr");
 
 const handler = async (event) => {
   try {
-
     const search = event.queryStringParameters.term;
-    if(!search) throw('Missing term query parameter');
+    if (!search) throw "Missing term query parameter";
 
-    const data = require('./data.json');
-    const indexJson = require('./index.json');
+    const data = require("./data.json");
+    const indexJson = require("./index.json");
     const index = lunrjs.Index.load(indexJson);
-    console.log('index made');
+    console.log("index made");
 
-    let results = 
+    let results =
       search[0] == "#" && search.length > 1
-      ? index.search(`${search.substring(1)}`)
-      : index.search(search+"*");
+        ? index.search(`tags:${search.substring(1)}`)
+        : index.search(search + "*");
 
-    results.forEach(r => {
+    results.forEach((r) => {
       r.title = data[r.ref].title;
       r.content = truncate(data[r.ref].content, 400);
       r.date = data[r.ref].date;
       r.url = data[r.ref].url;
-      r.tags = data[r.ref].tags.filter(x=>x!="gardenEntry" && x!="note");//Note is automatically added by 11ty. GardenEntry is used internally to mark the home page
-      
+      r.tags = data[r.ref].tags.filter(
+        (x) => x != "gardenEntry" && x != "note"
+      ); //Note is automatically added by 11ty. GardenEntry is used internally to mark the home page
+
       delete r.ref;
     });
 
@@ -32,17 +33,17 @@ const handler = async (event) => {
       // // more keys you can return:
       // headers: { "headerName": "headerValue", ... },
       // isBase64Encoded: true,
-    }
+    };
   } catch (error) {
-    return { statusCode: 500, body: error.toString() }
+    return { statusCode: 500, body: error.toString() };
   }
-}
+};
 
 function truncate(str, size) {
   //first, remove HTML
-  str = str.replace(/<.*?>/g, '');
-  if(str.length < size) return str;
-  return str.substring(0, size-3) + '...';
+  str = str.replace(/<.*?>/g, "");
+  if (str.length < size) return str;
+  return str.substring(0, size - 3) + "...";
 }
 
-module.exports = { handler }
+module.exports = { handler };
diff --git a/src/site/lunr.njk b/src/site/lunr.njk
index 5dd4074..9b1f14d 100644
--- a/src/site/lunr.njk
+++ b/src/site/lunr.njk
@@ -9,6 +9,6 @@ eleventyExcludeFromCollections: true
 		"date":"{{ post.date }}",
 		"url":"{{ post.url }}",
 		"content": {{ post.templateContent | striptags(true) | link | jsonify | safe  }},
-		"tags": [{% if post.data.tags %}{% for tag in post.data.tags %}"{{tag}}"{% if not loop.last %},{% endif %}{% endfor %}{% endif %}]
+		"tags": [{{post.templateContent | link | searchableTags | safe }} {% if post.data.tags %}{% for tag in post.data.tags %}"{{tag}}"{% if not loop.last %},{% endif %}{% endfor %}{% endif %}]
 }{% if not loop.last %},{% endif %}
 {% endfor %}]