From a7fea79d98c6fecd2765bc174971d5a218d2aac7 Mon Sep 17 00:00:00 2001
From: grassblock <hi@imgb.space>
Date: Thu, 22 May 2025 21:43:35 +0800
Subject: [PATCH 1/3] feat: implement no-client-JavaScript support for
 back-to-top and search (WIP)

---
 src/components/BackToTop.astro |  7 ++++---
 src/components/Search.astro    | 14 +++++++++++++-
 src/config.ts                  |  9 ++++++++-
 src/layouts/Layout.astro       |  5 ++++-
 4 files changed, 29 insertions(+), 6 deletions(-)
diff --git a/src/components/BackToTop.astro b/src/components/BackToTop.astro
index 59c0c27..3fe2679 100644
--- a/src/components/BackToTop.astro
+++ b/src/components/BackToTop.astro
@@ -1,7 +1,8 @@
 ---
-
+import {siteConfig} from "../config";
+const noscript = siteConfig.noClientJavaScript
 ---
-<button id="toTopBtn" title="Go to top">Top</button>
+{noscript ? <a href="#top"><button id="toTopBtn" style="display: block" title="Go to top">Top</button></a> : <button id="toTopBtn" title="Go to top">Top</button>
 <script>
     // Get the button
     let toTopButton = document.getElementById("toTopBtn");
@@ -31,4 +32,4 @@
             document.documentElement.scrollTop = 0;
         }
     }
-</script>
\ No newline at end of file
+</script>}
\ No newline at end of file
diff --git a/src/components/Search.astro b/src/components/Search.astro
index b115350..61027d7 100644
--- a/src/components/Search.astro
+++ b/src/components/Search.astro
@@ -1,5 +1,17 @@
 ---
+import {siteConfig} from "../config";
+const noscript = siteConfig.noClientJavaScript
 ---
+{noscript ?
+<form class="search-container" action="https://www.google.com/search" method="GET" target="_blank">
+  <div>
+    <label for="search-input"><span class="command">search</span></label>
+    <input name="q" type="text" id="search-input" class="search-input"  autocomplete="off" placeholder="Type to search..." />
+    <input type="hidden" name="as_sitesearch" value={Astro.url.host} />
+  </div>
+  <input type="submit" style="display: none" />
+</form>
+    :
 <div class="search-container">
   <div class="command-prompt">
     <span class="command">search</span>
@@ -92,7 +104,7 @@
       document.getElementById('search-results').innerHTML = '<p>Loading search index...</p>';
     }
   });
-</script>
+</script>}
 
 <style>
   .search-container {
diff --git a/src/config.ts b/src/config.ts
index 5da6266..d4b6ef0 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -3,6 +3,13 @@ export const siteConfig = {
     title: '/var/log/mercury',
     description: 'A blog about software development, technology, and life.',
     homepageOgImage: '',
+    // features
+    noClientJavaScript: false, // disable client-side javascript, this will:
+    // 1. disable all built-in client-side javascript from rendering
+    // 2. the full text search will be redirected to a search engine
+    // 3. the comments will be replaced with email reply
+    // 4. the night mode & back to top will not use Javascript to function
+    // 5. the neko will be force-disabled
     // site components
     navBarItems: [
         // additional items in the navbar
@@ -16,7 +23,7 @@ export const siteConfig = {
     customFooter: '<i>I have no mouth, and I must SCREAM</i>',
     // comments
     comments: {
-        type: 'artalk', // 'artalk','giscus','fediverse','hatsu'
+        type: 'artalk', // 'artalk','giscus','fediverse','email','hatsu'
         artalk: {
             instanceDomain: '', // the domain of your artalk instance
         },
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index bae8770..6f0eb76 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -15,6 +15,8 @@ interface Props {
   ogImage?: string;
 }
 
+const noscript = siteConfig.noClientJavaScript
+
 const defaultTitle = siteConfig.title
 const formattedRootPath = defaultTitle.toLowerCase().replace(/\s+/g, '-');
 const relativePath = Astro.url.pathname
@@ -41,6 +43,7 @@ const { title = pageTitle, description = siteConfig.description, ogImage = "" }
   </head>
   <body>
     <main>
+      {noscript && <div id="top" style="visibility: hidden">Back To Top</div>}
       <div class="container">
         <div class="terminal-path">
           {path}
@@ -70,7 +73,7 @@ const { title = pageTitle, description = siteConfig.description, ogImage = "" }
         <p>Powered by <a href="https://git.gb0.dev/gb/mercury" target="_blank"><Logo width={16} height={16} /> mercury</a></p>
       </div>
     </footer>
-    { siteConfig.neko.enabled &&
+    { !noscript || siteConfig.neko.enabled &&
       <>
         <script is:inline define:vars={{ nekoType  }}>
           window.NekoType = nekoType;

From 45e43928e79278b68509240315e6cb6447f10124 Mon Sep 17 00:00:00 2001
From: grassblock <hi@imgb.space>
Date: Thu, 22 May 2025 22:54:13 +0800
Subject: [PATCH 2/3] refactor: rewrite search component with fastsearch

---
 package.json                |   1 -
 pnpm-lock.yaml              |   9 --
 src/components/Search.astro | 259 ++++++++++++++++++++++++++----------
 3 files changed, 188 insertions(+), 81 deletions(-)

diff --git a/package.json b/package.json
index bd612b6..8f7df2f 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,6 @@
     "@astrojs/sitemap": "^3.3.1",
     "@fontsource-variable/jetbrains-mono": "^5.2.5",
     "astro": "^5.2.5",
-    "fuse.js": "^7.0.0",
     "sharp": "^0.34.1",
     "ultrahtml": "^1.6.0"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 5741b93..ed376d1 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -29,9 +29,6 @@ importers:
       astro:
         specifier: ^5.2.5
         version: 5.7.10(@azure/identity@4.9.1)(@types/node@22.15.3)(rollup@4.40.1)(typescript@5.8.3)(yaml@2.7.1)
-      fuse.js:
-        specifier: ^7.0.0
-        version: 7.1.0
       sharp:
         specifier: ^0.34.1
         version: 0.34.1
@@ -1692,10 +1689,6 @@ packages:
   function-bind@1.1.2:
     resolution: {integrity: sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==}
 
-  fuse.js@7.1.0:
-    resolution: {integrity: sha512-trLf4SzuuUxfusZADLINj+dE8clK1frKdmqiJNb1Es75fmI5oY6X2mxLVUciLLjxqw/xr72Dhy+lER6dGd02FQ==}
-    engines: {node: '>=10'}
-
   get-caller-file@2.0.5:
     resolution: {integrity: sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==}
     engines: {node: 6.* || 8.* || >= 10.*}
@@ -4927,8 +4920,6 @@ snapshots:
 
   function-bind@1.1.2: {}
 
-  fuse.js@7.1.0: {}
-
   get-caller-file@2.0.5: {}
 
   get-east-asian-width@1.3.0: {}
diff --git a/src/components/Search.astro b/src/components/Search.astro
index 61027d7..a2c94f8 100644
--- a/src/components/Search.astro
+++ b/src/components/Search.astro
@@ -25,85 +25,202 @@ const noscript = siteConfig.noClientJavaScript
   </div>
   <div id="search-results" class="search-results"></div>
 </div>
-
 <script>
-  import Fuse from 'fuse.js';
+  /*
+  ====================================================================
 
-  let fuse;
-  let posts = [];
-  let searchInitialized = false;
+  tweaked from FAST SEARCH —
+  https://gist.github.com/cmod/5410eae147e4318164258742dd053993
 
-  async function initializeSearch() {
-    // Prevent multiple initializations
-    if (searchInitialized) return;
-    try {
-      // Fetch the search index
-      const response = await fetch('/search-index.json');
-      posts = await response.json();
+  ====================================================================
+  */
+  // Configuration
+  const CONFIG = {
+    search: {
+      minChars: 2,              // Minimum characters before searching
+      maxResults: 5,            // Maximum number of results to show
+      fields: {                 // Fields to search through
+        title: true,            // Allow searching in title
+        description: true,      // Allow searching in description
+        content: true           // Allow searching in contents
+      }
+    }
+  };
 
-      fuse = new Fuse(posts, {
-        keys: ['title', 'description', 'content'],
-        threshold: 0.3,
-        includeMatches: true
+  // Function to initialize search with custom config
+  function initSearch(): void {
+    // Cache DOM elements
+    const searchInput = document.getElementById('search-input') as HTMLInputElement;
+    const searchResults = document.getElementById('search-results') as HTMLElement;
+
+    let searchIndex: Array<{
+      title: string;
+      description?: string;
+      slug?: string;
+      pubDate?: Date;
+      searchableTitle: string;
+      searchableDesc: string;
+      searchableContent: string;
+    }> | null = null;
+    let resultsAvailable = false;
+    let firstRun = true;
+
+    // Load the search index
+    async function loadSearchIndex(): Promise<void> {
+      try {
+        const response = await fetch('/search-index.json');
+        if (!response.ok) throw new Error('Failed to load search index');
+        const data = await response.json();
+
+        searchIndex = data.map((item: any) => ({
+          ...item,
+          searchableTitle: item.title?.toLowerCase() || '',
+          searchableDesc: item.description?.toLowerCase() || '',
+          searchableContent: (item.content as string)?.toLowerCase() || ''
+        }));
+
+        if (searchInput && searchInput.value) {
+          performSearch(searchInput.value);
+        }
+      } catch (error) {
+        console.error('Error loading search index:', error);
+        if (searchResults) {
+          searchResults.innerHTML = '<li class="search-message">Error loading search index...</li>';
+        }
+      }
+    }
+
+    // Simple fuzzy match for single words
+    function simpleFuzzyMatch(text: string, term: string): boolean {
+      if (text.includes(term)) return true;
+      if (term.length < 3) return false;
+
+      let matches = 0;
+      let lastMatchIndex = -1;
+
+      for (let i = 0; i < term.length; i++) {
+        const found = text.indexOf(term[i], lastMatchIndex + 1);
+        if (found > -1) {
+          matches++;
+          lastMatchIndex = found;
+        }
+      }
+
+      return matches === term.length;
+    }
+
+    function performSearch(term: string): void {
+      term = term.toLowerCase().trim();
+
+      if (!term || !searchIndex) {
+        searchResults.innerHTML = '';
+        resultsAvailable = false;
+        return;
+      }
+
+      if (term.length < CONFIG.search.minChars) {
+        searchResults.innerHTML = '<span class="search-message">Please enter at least 2 characters...</span>';
+        resultsAvailable = false;
+        return;
+      }
+
+      // Split search into terms
+      const searchTerms = term.split(/\s+/).filter(t => t.length > 0);
+
+      // Search with scoring
+      const results = searchIndex
+        .map(item => {
+          let score = 0;
+          const matchesAllTerms = searchTerms.every(term => {
+            let matched = false;
+
+            // Title matches (weighted higher)
+            if (CONFIG.search.fields.title) {
+              if (item.searchableTitle.startsWith(term)) {
+                score += 3;  // Highest score for prefix matches in title
+                matched = true;
+              } else if (simpleFuzzyMatch(item.searchableTitle, term)) {
+                score += 2;  // Good score for fuzzy matches in title
+                matched = true;
+              }
+            }
+
+            // Other field matches
+            if (!matched) {
+              if (CONFIG.search.fields.description && item.searchableDesc.includes(term)) {
+                score += 0.5;  // Lower score for description matches
+                matched = true;
+              }
+              if (CONFIG.search.fields.content && item.searchableContent.includes(term)) {
+                score += 0.5;  // Lower score for content matches
+                matched = true;
+              }
+            }
+
+            return matched;
+          });
+
+          return {
+            item,
+            score: matchesAllTerms ? score : 0
+          };
+        })
+        .filter(result => result.score > 0)
+        .sort((a, b) => b.score - a.score)
+        .slice(0, CONFIG.search.maxResults)
+        .map(result => result.item);
+
+      resultsAvailable = results.length > 0;
+
+      if (!resultsAvailable) {
+        searchResults.innerHTML = '<span class="search-message">No matching results found...</span>';
+        return;
+      }
+
+      const searchItems = results.map(item => `
+      <div class="search-result">
+        <a href="/post/${item.slug}" tabindex="0">
+          <span class="result-title">${item.title}</span><br /> 
+          <span class="result-date">${new Date(item.pubDate).toISOString().split('T')[0]|| '' } — 
+          <em>${item.description || ''}</em></span>
+        </a>
+      </div>
+      `).join('');
+
+      searchResults.innerHTML = searchItems;
+    }
+
+    // Basic HTML escaping for security
+    function escapeHtml(unsafe: string): string {
+      if (!unsafe) return '';
+      return unsafe
+        .replace(/&/g, "&amp;")
+        .replace(/</g, "&lt;")
+        .replace(/>/g, "&gt;")
+        .replace(/"/g, "&quot;")
+        .replace(/'/g, "&#039;");
+    }
+
+    // Add event listener for search input
+    if (searchInput) {
+      // Load index on focus
+      searchInput.addEventListener('focus', function() {
+        loadSearchIndex();
+      });
+
+      searchInput.addEventListener('input', function() {
+        if (!searchIndex && !firstRun) {
+          searchResults.innerHTML = '<span class="search-message">Loading search index...</span>';
+          return;
+        }
+        performSearch(this.value);
       });
-      searchInitialized = true;
-      document.getElementById('search-results').innerHTML = '';
-    } catch (error) {
-        console.error('Error fetching search index:', error);
     }
+    firstRun = false;
   }
 
-  function performSearch(query) {
-    if (!query) {
-      document.getElementById('search-results').innerHTML = '';
-      return;
-    }
-
-    if (!searchInitialized) return;
-
-    const results = fuse.search(query);
-    const resultsElement = document.getElementById('search-results');
-    
-    if (results.length === 0) {
-      resultsElement.innerHTML = '<p>No results found.</p>';
-      return;
-    }
-
-    const html = results
-      .map(result => `
-        <div class="search-result">
-          <a href="/post/${result.item.slug}">
-            <span class="result-title">${result.item.title}</span>
-            <span class="result-date">${new Date(result.item.pubDate).toISOString().split('T')[0]}</span>
-          </a>
-        </div>
-      `)
-      .join('');
-
-    resultsElement.innerHTML = html;
-  }
-  // Add event listener for search input
-  const searchInput = document.getElementById('search-input');
-
-  // Initialize search only when the input is focused or clicked
-  searchInput.addEventListener('focus', initializeSearch);
-  searchInput.addEventListener('click', initializeSearch);
-
-  searchInput.addEventListener('input', (e) => {
-    if (!searchInitialized) {
-        initializeSearch().then(() => {
-            performSearch(e.target.value);
-        });
-    } else {
-        performSearch(e.target.value);
-    }
-  });
-
-  searchInput.addEventListener('focus', () => {
-    if (!searchInitialized) {
-      document.getElementById('search-results').innerHTML = '<p>Loading search index...</p>';
-    }
-  });
+  // Initialize with default config
+  initSearch();
 </script>}
 
 <style>

From c74defd696e2aa7116f02ec20b042d1327c8c87c Mon Sep 17 00:00:00 2001
From: grassblock <hi@imgb.space>
Date: Thu, 22 May 2025 22:55:21 +0800
Subject: [PATCH 3/3] chore(docs): update roadmap

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index eb4cb18..46b271b 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,8 @@ All commands are run from the root of the project, from a terminal:
 ## 🗺 Roadmap
 - [x] Initial project setup
 - [x] Basic theme implementation
-- [ ] Better full-text search without `Fuse.js`
+- [x] Better full-text search without `Fuse.js`
+- [ ] A mode to make the site 0 javascript
 - [ ] Multiple authors via YAML
 - [ ] i18n support
 - [ ] Integrate with Fediverse w/ activityPub

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