From ff968f62a89dd9203adfadf83f502a404323fa1b Mon Sep 17 00:00:00 2001
From: Fabian Stamm <dev@fabianstamm.de>
Date: Mon, 20 Jan 2020 23:03:31 +0100
Subject: [PATCH] Changing search engine

---
 package-lock.json | 16 +++++-----------
 package.json      |  3 +--
 src/stores.ts     | 32 ++++++++++++++------------------
 3 files changed, 20 insertions(+), 31 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 409afc4..b912bb4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1038,12 +1038,6 @@
         "physical-cpu-count": "^2.0.0"
       }
     },
-    "@types/elasticlunr": {
-      "version": "0.9.0",
-      "resolved": "https://registry.npmjs.org/@types/elasticlunr/-/elasticlunr-0.9.0.tgz",
-      "integrity": "sha512-7xUGaa0HqDmfawyFd8ANaoTHt5KF/BEdvKfqz4NxGEhbloIXGGtH065MOvC+YYQRZPAA/b5Vt/Xe5AmXoKTmhQ==",
-      "dev": true
-    },
     "@types/navigo": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/@types/navigo/-/navigo-7.0.1.tgz",
@@ -2738,11 +2732,6 @@
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
       "dev": true
     },
-    "elasticlunr": {
-      "version": "0.9.5",
-      "resolved": "https://registry.npmjs.org/elasticlunr/-/elasticlunr-0.9.5.tgz",
-      "integrity": "sha1-ZVQbswnd3Qz5Ty0ciGGyvmUbsNU="
-    },
     "electron-to-chromium": {
       "version": "1.3.314",
       "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.314.tgz",
@@ -3775,6 +3764,11 @@
       "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
       "dev": true
     },
+    "fuse.js": {
+      "version": "3.4.6",
+      "resolved": "https://registry.npmjs.org/fuse.js/-/fuse.js-3.4.6.tgz",
+      "integrity": "sha512-H6aJY4UpLFwxj1+5nAvufom5b2BT2v45P1MkPvdGIK8fWjQx/7o6tTT1+ALV0yawQvbmvCF0ufl2et8eJ7v7Cg=="
+    },
     "gauge": {
       "version": "2.7.4",
       "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
diff --git a/package.json b/package.json
index 36fdfcf..cc7b809 100644
--- a/package.json
+++ b/package.json
@@ -11,8 +11,8 @@
   "dependencies": {
     "@hibas123/theme": "^1.2.14",
     "@hibas123/utils": "^2.2.3",
-    "elasticlunr": "^0.9.5",
     "feather-icons": "^4.24.1",
+    "fuse.js": "^3.4.6",
     "navigo": "^7.1.2",
     "svelte": "^3.16.0",
     "svelte-key": "^1.0.0",
@@ -20,7 +20,6 @@
     "uuid": "^3.3.3"
   },
   "devDependencies": {
-    "@types/elasticlunr": "^0.9.0",
     "@types/navigo": "^7.0.1",
     "@types/node": "^12.12.14",
     "@types/uuid": "^3.4.6",
diff --git a/src/stores.ts b/src/stores.ts
index 7c36f5f..0b1c306 100644
--- a/src/stores.ts
+++ b/src/stores.ts
@@ -26,9 +26,7 @@ console.log("Running exam:", dataVersion);
 
 const runsShould = 3;
 
-import elasticlunr from "elasticlunr";
-
-console.log(elasticlunr);
+import Fuse from "fuse.js";
 
 class QuestionManager {
     version: string = dataVersion;
@@ -47,7 +45,7 @@ class QuestionManager {
         level: number
     }[];
 
-    index: elasticlunr.Index<{ id: string, title: string, answers: string }>;
+    index: Fuse<any, any>;
 
     private getAnswerString(question: Question) {
         switch (question.type) {
@@ -73,30 +71,28 @@ class QuestionManager {
 
         this.getNewActive();
 
-        this.index = elasticlunr(function () {
-            this.addField("title")
-            this.addField("answers");
-            this.setRef("id")
-        })
-
-        Data.questions
+        const searchData = Data.questions
             .map(e => ({
                 id: e.id,
                 title: e.title,
                 answers: this.getAnswerString(e)
             }))
-            .forEach(e => this.index.addDoc(e));
+
+        this.index = new Fuse(searchData, {
+            keys: [{
+                name: "title",
+                weight: 0.8
+            }, {
+                name: "answers",
+                weight: 0.2
+            }]
+        })
     }
 
     search(term: string) {
         if (term === "")
             return Data.questions;
-        const match = this.index.search(term, {
-            fields: {
-                title: { boost: 2 },
-                answers: { boost: 1 }
-            }
-        }).map(e => QuestionMap.get(e.ref));
+        const match = (this.index.search(term) as any[]).map(e => QuestionMap.get(e.id));
         return match;
     }