From 0660a4efc8f1286e18d5ca8ad7a6c0db0422df29 Mon Sep 17 00:00:00 2001
From: neil <neil@neils-MacBook-Pro.local>
Date: Mon, 28 Nov 2022 16:37:03 +0800
Subject: [PATCH] #32 enable package search functionality using fuse.js

---
 packages/gui/package.json                     |  3 +-
 .../gui/src/components/NavBar/NavBar.svelte   |  6 ++-
 .../SearchPackages/SearchPackages.svelte      | 36 ++++++++++++++--
 .../ui/src/SearchInput/SearchInput.svelte     | 12 +++++-
 pnpm-lock.yaml                                | 43 +++++--------------
 5 files changed, 62 insertions(+), 38 deletions(-)

diff --git a/packages/gui/package.json b/packages/gui/package.json
index c3ab475..f6941a0 100644
--- a/packages/gui/package.json
+++ b/packages/gui/package.json
@@ -41,7 +41,8 @@
 	"type": "module",
 	"dependencies": {
 		"@tauri-apps/api": "^1.2.0",
-		"buffer": "^6.0.3"
+		"buffer": "^6.0.3",
+		"fuse.js": "^6.6.2"
 	},
 	"pnpm": {
 		"onlyBuiltDependencies": [
diff --git a/packages/gui/src/components/NavBar/NavBar.svelte b/packages/gui/src/components/NavBar/NavBar.svelte
index e2424be..e9bad45 100644
--- a/packages/gui/src/components/NavBar/NavBar.svelte
+++ b/packages/gui/src/components/NavBar/NavBar.svelte
@@ -54,6 +54,10 @@
 			routes[0].active = false;
 		}
 	});
+
+	const onSearch = (term: string) => {
+		console.log('navbar search:', term);
+	};
 </script>
 
 <ul id="NavBar">
@@ -74,7 +78,7 @@
 		</a>
 	</nav>
 
-	<SearchInput size="small" />
+	<SearchInput size="small" {onSearch} />
 
 	{#each routes as route}
 		<li class={route.active ? 'nav_button active' : 'nav_button'}>
diff --git a/packages/gui/src/components/SearchPackages/SearchPackages.svelte b/packages/gui/src/components/SearchPackages/SearchPackages.svelte
index faba825..94113f9 100644
--- a/packages/gui/src/components/SearchPackages/SearchPackages.svelte
+++ b/packages/gui/src/components/SearchPackages/SearchPackages.svelte
@@ -1,6 +1,6 @@
 <script type="ts">
 	import '$appcss';
-
+	import Fuse from 'fuse.js';
 	import { packages as packagesStore, initializePackages } from '$libs/stores';
 
 	import type { Package } from '@tea/ui/types';
@@ -8,10 +8,18 @@
 	import SearchInput from '@tea/ui/SearchInput/SearchInput.svelte';
 	import { onMount } from 'svelte';
 
+	let allPackages: Package[] = [];
+	let packagesIndex: Fuse<Package>;
 	let packages: Package[] = [];
 	let initialized = false;
+	const searchLimit = 5;
+
 	packagesStore.subscribe((v) => {
-		packages = v;
+		allPackages = v;
+		packages = allPackages;
+		packagesIndex = new Fuse(allPackages, {
+			keys: ['name', 'full_name', 'desc']
+		});
 	});
 
 	onMount(async () => {
@@ -20,12 +28,34 @@
 			initializePackages();
 		}
 	});
+
+	const onSearch = (term: string) => {
+		if (term !== '' && term.length > 3) {
+			const res = packagesIndex.search(term);
+			packages = [];
+			for (let i = 0; i < searchLimit; i++) {
+				if (res[i]) {
+					packages.push(res[i].item);
+				}
+			}
+		} else {
+			packages = allPackages;
+		}
+	};
+
+	function getMatchScore(term: string, pkg: Package) {
+		// provide higher value with name
+		const { full_name, desc } = pkg;
+		const nameScore = stringSimilarity.compareTwoStrings(full_name, term);
+		const descriptionScore = stringSimilarity.compareTwoStrings(desc, term);
+		return nameScore * 80 + descriptionScore * 20;
+	}
 </script>
 
 <div class="bg-black border border-gray">
 	<section class="flex justify-between items-center">
 		<div>
-			<SearchInput size="medium" />
+			<SearchInput size="medium" {onSearch} />
 		</div>
 		<div class="pr-4">
 			<section class="h-12 w-48 border border-gray" />
diff --git a/packages/ui/src/SearchInput/SearchInput.svelte b/packages/ui/src/SearchInput/SearchInput.svelte
index c50d3de..4335c58 100644
--- a/packages/ui/src/SearchInput/SearchInput.svelte
+++ b/packages/ui/src/SearchInput/SearchInput.svelte
@@ -2,13 +2,23 @@
 	import './SearchInput.css';
 
 	export let size: 'small' | 'medium' | 'large' = 'small';
+	export let onSearch: (text: string) => void;
+
+	let timer: NodeJS.Timeout;
+	const onChange = (e: KeyboardEvent) => {
+		const t = e.target as HTMLInputElement;
+		clearTimeout(timer);
+		timer = setTimeout(() => {
+			onSearch && onSearch(t.value);
+		}, 300);
+	};
 </script>
 
 <section class={`flex items-center ${size}`}>
 	<div class="icon">
 		<i class="icon-search-icon" />
 	</div>
-	<input type="search" placeholder="search_" />
+	<input type="search" placeholder="search_" on:keyup={onChange} />
 </section>
 
 <!-- <input type="search" class="w-full bg-black h-12 p-4 border border-x-0 border-gray"/> -->
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 24e725d..cccecea 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -21,6 +21,7 @@ importers:
       eslint: ^8.16.0
       eslint-config-prettier: ^8.3.0
       eslint-plugin-svelte3: ^4.0.0
+      fuse.js: ^6.6.2
       postcss: ^8.4.19
       prettier: ^2.6.2
       prettier-plugin-svelte: ^2.7.0
@@ -35,11 +36,12 @@ importers:
     dependencies:
       '@tauri-apps/api': 1.2.0
       buffer: 6.0.3
+      fuse.js: 6.6.2
     devDependencies:
       '@playwright/test': 1.25.0
       '@sveltejs/adapter-auto': 1.0.0-next.89
       '@sveltejs/adapter-static': 1.0.0-next.48
-      '@sveltejs/kit': 1.0.0-next.562_svelte@3.53.1+vite@3.2.4
+      '@sveltejs/kit': 1.0.0-next.563_svelte@3.53.1+vite@3.2.4
       '@tauri-apps/cli': 1.2.0
       '@tea/ui': link:../ui
       '@typescript-eslint/eslint-plugin': 5.43.0_wze2rj5tow7zwqpgbdx2buoy3m
@@ -99,7 +101,7 @@ importers:
       '@storybook/svelte-vite': 7.0.0-alpha.51_xlscsvjyync2sh57nhuoanpbpq
       '@storybook/testing-library': 0.0.13_wcqkhtmu7mswc6yz4uyexck3ty
       '@sveltejs/adapter-auto': 1.0.0-next.89
-      '@sveltejs/kit': 1.0.0-next.561_svelte@3.53.1+vite@3.2.4
+      '@sveltejs/kit': 1.0.0-next.563_svelte@3.53.1+vite@3.2.4
       '@sveltejs/package': 1.0.0-next.1_7dvewpees4iyn2tkw2qzal77a4
       '@typescript-eslint/eslint-plugin': 5.43.0_wze2rj5tow7zwqpgbdx2buoy3m
       '@typescript-eslint/parser': 5.43.0_e3uo4sehh4zr4i6m57mkkxxv7y
@@ -3002,36 +3004,8 @@ packages:
     resolution: {integrity: sha512-Z5Z+QZOav6D0KDeU3ReksGERJg/sX1k5OKWWXyQ11OwGErEEwSXHYRUyjaBmZEPeGzpVVGwwMUK8YWJlG/MKeA==}
     dev: true
 
-  /@sveltejs/kit/1.0.0-next.561_svelte@3.53.1+vite@3.2.4:
-    resolution: {integrity: sha512-N8HQvS6gcm7R78ADfM4xjhuFS3Ir+Ezce3De8WOnISXQ1tS2npc5LMH9LRHHi14nfosAfJ7vUlcLwLE6N/I7+Q==}
-    engines: {node: '>=16.14'}
-    hasBin: true
-    requiresBuild: true
-    peerDependencies:
-      svelte: ^3.44.0
-      vite: ^3.2.0
-    dependencies:
-      '@sveltejs/vite-plugin-svelte': 1.3.1_svelte@3.53.1+vite@3.2.4
-      '@types/cookie': 0.5.1
-      cookie: 0.5.0
-      devalue: 4.2.0
-      kleur: 4.1.5
-      magic-string: 0.26.7
-      mime: 3.0.0
-      sade: 1.8.1
-      set-cookie-parser: 2.5.1
-      sirv: 2.0.2
-      svelte: 3.53.1
-      tiny-glob: 0.2.9
-      undici: 5.12.0
-      vite: 3.2.4
-    transitivePeerDependencies:
-      - diff-match-patch
-      - supports-color
-    dev: true
-
-  /@sveltejs/kit/1.0.0-next.562_svelte@3.53.1+vite@3.2.4:
-    resolution: {integrity: sha512-VgJzjtfjVLW/4A/vDtURc10PrS3bb/N62LHzqLZcUNb5+eN4a0k5cayC7Hz2tmtvrb2Qsg+piEAogvqjKBxrOg==}
+  /@sveltejs/kit/1.0.0-next.563_svelte@3.53.1+vite@3.2.4:
+    resolution: {integrity: sha512-RvQSE6dOuH4vE2hM5K/DezJlm9RjC5EMQK8X46mBXIggp8unaDH+YJyF+KRvAZE5sV93Hk5xaq0WZa8jtU42Jw==}
     engines: {node: '>=16.14'}
     hasBin: true
     requiresBuild: true
@@ -6043,6 +6017,11 @@ packages:
     resolution: {integrity: sha512-xckBUXyTIqT97tq2x2AMb+g163b5JFysYk0x4qxNFwbfQkmNZoiRHb6sPzI9/QV33WeuvVYBUIiD4NzNIyqaRQ==}
     dev: true
 
+  /fuse.js/6.6.2:
+    resolution: {integrity: sha512-cJaJkxCCxC8qIIcPBF9yGxY0W/tVZS3uEISDxhYIdtk8OL93pe+6Zj7LjCqVV4dzbqcriOZ+kQ/NE4RXZHsIGA==}
+    engines: {node: '>=10'}
+    dev: false
+
   /gauge/3.0.2:
     resolution: {integrity: sha512-+5J6MS/5XksCuXq++uFRsnUd7Ovu1XenbeuIuNRJxYWjgQbPuFhT14lAvsWfqfAmnwluf1OwMjz39HjfLPci0Q==}
     engines: {node: '>=10'}