Merge pull request #20 from adammathes/claude/investigate-theme-performance-GjjYA

Optimize scroll performance and reduce layout thrashing

1 files changed, 189 insertions, 0 deletions

diff --git a/web/dist/v3/assets/index-DZsQUXOH.js b/web/dist/v3/assets/index-DZsQUXOH.js
new file mode 100644
index 0000000..95719d5
--- /dev/null
+++ b/web/dist/v3/assets/index-DZsQUXOH.js
@@ -0,0 +1,189 @@
+(function(){const t=document.createElement("link").relList;if(t&&t.supports&&t.supports("modulepreload"))return;for(const s of document.querySelectorAll('link[rel="modulepreload"]'))i(s);new MutationObserver(s=>{for(const o of s)if(o.type==="childList")for(const l of o.addedNodes)l.tagName==="LINK"&&l.rel==="modulepreload"&&i(l)}).observe(document,{childList:!0,subtree:!0});function n(s){const o={};return s.integrity&&(o.integrity=s.integrity),s.referrerPolicy&&(o.referrerPolicy=s.referrerPolicy),s.crossOrigin==="use-credentials"?o.credentials="include":s.crossOrigin==="anonymous"?o.credentials="omit":o.credentials="same-origin",o}function i(s){if(s.ep)return;s.ep=!0;const o=n(s);fetch(s.href,o)}})();function A(e){const n=`; ${document.cookie}`.split(`; ${e}=`);if(n.length===2)return n.pop()?.split(";").shift()}async function m(e,t){const n=t?.method?.toUpperCase()||"GET",i=["POST","PUT","DELETE"].includes(n),s=new Headers(t?.headers||{});if(i){const o=A("csrf_token");o&&s.set("X-CSRF-Token",o)}return fetch(e,{...t,headers:s,credentials:"include"})}function C(){const e=document.cookie.split("; ").find(t=>t.startsWith("neko_sidebar="));return e?e.split("=")[1]==="1":null}function B(e){document.cookie=`neko_sidebar=${e?"1":"0"}; path=/; max-age=31536000; SameSite=Lax`}function H(){const e=C();return e!==null?e:window.innerWidth>1024}class P extends EventTarget{feeds=[];tags=[];items=[];activeFeedId=null;activeTagName=null;filter="unread";searchQuery="";loading=!1;hasMore=!0;theme=localStorage.getItem("neko-theme")||"light";fontTheme=localStorage.getItem("neko-font-theme")||"default";headingFontTheme=localStorage.getItem("neko-heading-font-theme")||"default";styleTheme=localStorage.getItem("neko-style-theme")||"default";sidebarVisible=H();setFeeds(t){this.feeds=t,this.emit("feeds-updated")}setTags(t){this.tags=t,this.emit("tags-updated")}setItems(t,n=!1){n?this.items=[...this.items,...t]:this.items=t,this.emit("items-updated")}setActiveFeed(t){this.activeFeedId=t,this.activeTagName=null,this.emit("active-feed-updated")}setActiveTag(t){this.activeTagName=t,this.activeFeedId=null,this.emit("active-tag-updated")}setFilter(t){this.filter!==t&&(this.filter=t,this.emit("filter-updated"))}setSearchQuery(t){this.searchQuery!==t&&(this.searchQuery=t,this.emit("search-updated"))}setLoading(t){this.loading=t,this.emit("loading-state-changed")}setHasMore(t){this.hasMore=t}setTheme(t){this.theme=t,localStorage.setItem("neko-theme",t),this.emit("theme-updated")}setFontTheme(t){this.fontTheme=t,localStorage.setItem("neko-font-theme",t),this.emit("theme-updated")}setHeadingFontTheme(t){this.headingFontTheme=t,localStorage.setItem("neko-heading-font-theme",t),this.emit("theme-updated")}setStyleTheme(t){this.styleTheme=t,localStorage.setItem("neko-style-theme",t),this.emit("style-theme-updated")}setSidebarVisible(t){this.sidebarVisible=t,B(t),this.emit("sidebar-toggle")}toggleSidebar(){this.setSidebarVisible(!this.sidebarVisible)}emit(t,n){this.dispatchEvent(new CustomEvent(t,{detail:n}))}on(t,n){this.addEventListener(t,n)}}const a=new P;class M extends EventTarget{constructor(){super(),window.addEventListener("popstate",()=>this.handleRouteChange())}handleRouteChange(){this.dispatchEvent(new CustomEvent("route-changed",{detail:this.getCurrentRoute()}))}getCurrentRoute(){const t=new URL(window.location.href),i=t.pathname.replace(/^\/v3\//,"").split("/").filter(Boolean);let s="/";const o={};return i[0]==="feed"&&i[1]?(s="/feed",o.feedId=i[1]):i[0]==="tag"&&i[1]?(s="/tag",o.tagName=decodeURIComponent(i[1])):i[0]==="settings"&&(s="/settings"),{path:s,params:o,query:t.searchParams}}navigate(t,n){let i=`/v3${t}`;if(n){const s=new URLSearchParams(n);i+=`?${s.toString()}`}window.history.pushState({},"",i),this.handleRouteChange()}updateQuery(t){const n=new URL(window.location.href);for(const[i,s]of Object.entries(t))s?n.searchParams.set(i,s):n.searchParams.delete(i);window.history.pushState({},"",n.toString()),this.handleRouteChange()}}const r=new M;function O(e){const t=new Date(e.publish_date).toLocaleDateString();return`
+    <li class="feed-item ${e.read?"read":"unread"}" data-id="${e._id}">
+      <div class="item-header">
+        <a href="${e.url}" target="_blank" rel="noopener noreferrer" class="item-title" data-action="open">
+          ${e.title||"(No Title)"}
+        </a>
+        <button class="star-btn ${e.starred?"is-starred":"is-unstarred"}" title="${e.starred?"Unstar":"Star"}" data-action="toggle-star">
+          ★
+        </button>
+      </div>
+      <div class="dateline">
+        <a href="${e.url}" target="_blank" rel="noopener noreferrer">
+          ${t}
+          ${e.feed_title?` - ${e.feed_title}`:""}
+        </a>
+        <div class="item-actions" style="display: inline-block; float: right;">
+          ${e.full_content?"":`
+            <button class="scrape-btn" title="Load Full Content" data-action="scrape">
+              text
+            </button>
+          `}
+        </div>
+      </div>
+      ${e.full_content||e.description?`
+        <div class="item-description">
+          ${e.full_content||e.description}
+        </div>
+      `:""}
+    </li>
+  `}const q=["default","refined","terminal","codex","sakura"];function w(e){const t=document.getElementById("style-theme-link");if(t&&t.remove(),e==="default")return;const n=document.createElement("link");n.id="style-theme-link",n.rel="stylesheet",n.href=`/v3/themes/${e}.css`,document.head.appendChild(n)}let u=null,g=null;function D(){g=document.querySelector("#app"),g&&(g.className=`theme-${a.theme} font-${a.fontTheme} heading-font-${a.headingFontTheme}`,g.innerHTML=`
+    <div class="layout ${a.sidebarVisible?"sidebar-visible":"sidebar-hidden"}">
+      <button class="sidebar-toggle" id="sidebar-toggle-btn" title="Toggle Sidebar">🐱</button>
+      <div class="sidebar-backdrop" id="sidebar-backdrop"></div>
+      <aside class="sidebar" id="sidebar">
+        <div class="sidebar-scroll">
+          <section class="sidebar-section">
+            <ul id="filter-list">
+              <li class="filter-item" data-filter="unread"><a href="/v3/?filter=unread" data-nav="filter" data-value="unread">Unread</a></li>
+              <li class="filter-item" data-filter="all"><a href="/v3/?filter=all" data-nav="filter" data-value="all">All</a></li>
+              <li class="filter-item" data-filter="starred"><a href="/v3/?filter=starred" data-nav="filter" data-value="starred">Starred</a></li>
+            </ul>
+          </section>
+          <div class="sidebar-search">
+            <input type="search" id="search-input" placeholder="Search..." value="${a.searchQuery}">
+          </div>
+          <section class="sidebar-section">
+            <ul>
+              <li><a href="/v3/settings" data-nav="settings" class="new-feed-link">+ new</a></li>
+            </ul>
+          </section>
+          <section class="sidebar-section collapsible collapsed" id="section-feeds">
+            <h3>Feeds <span class="caret">▶</span></h3>
+            <ul id="feed-list"></ul>
+          </section>
+          <!-- FIXME: Tags feature soft-deprecated 
+          <section class="sidebar-section collapsible collapsed" id="section-tags">
+            <h3>Tags <span class="caret">▶</span></h3>
+            <ul id="tag-list"></ul>
+          </section>
+          -->
+        </div>
+        <div class="sidebar-footer">
+          <div class="sidebar-quick-controls">
+            <div class="sidebar-controls-row">
+              <button class="sidebar-icon-btn sidebar-theme-btn ${a.theme==="light"?"active":""}" data-theme="light" title="Light mode">☀</button>
+              <button class="sidebar-icon-btn sidebar-theme-btn ${a.theme==="dark"?"active":""}" data-theme="dark" title="Dark mode">☽</button>
+            </div>
+            <hr class="sidebar-controls-rule">
+            <div class="sidebar-controls-row">
+              <button class="sidebar-icon-btn sidebar-style-btn ${a.styleTheme==="default"?"active":""}" data-style-theme="default" title="Default">○</button>
+              <button class="sidebar-icon-btn sidebar-style-btn ${a.styleTheme==="refined"?"active":""}" data-style-theme="refined" title="Refined">◆</button>
+              <button class="sidebar-icon-btn sidebar-style-btn ${a.styleTheme==="terminal"?"active":""}" data-style-theme="terminal" title="Terminal">▮</button>
+              <button class="sidebar-icon-btn sidebar-style-btn ${a.styleTheme==="codex"?"active":""}" data-style-theme="codex" title="Codex">❧</button>
+              <button class="sidebar-icon-btn sidebar-style-btn ${a.styleTheme==="sakura"?"active":""}" data-style-theme="sakura" title="Sakura">❀</button>
+            </div>
+          </div>
+          <a href="/v3/settings" data-nav="settings">Settings</a>
+          <a href="#" id="logout-button">Logout</a>
+        </div>
+      </aside>
+      <main class="main-content" id="main-content">
+        <div id="content-area"></div>
+      </main>
+    </div>
+  `,x())}function x(){document.getElementById("search-input")?.addEventListener("input",s=>{const o=s.target.value;r.updateQuery({q:o})}),document.getElementById("logo-link")?.addEventListener("click",()=>r.navigate("/")),document.getElementById("logout-button")?.addEventListener("click",s=>{s.preventDefault(),J()}),document.querySelectorAll(".sidebar-theme-btn").forEach(s=>{s.addEventListener("click",()=>{const o=s.getAttribute("data-theme");o&&a.setTheme(o)})}),document.querySelectorAll(".sidebar-style-btn").forEach(s=>{s.addEventListener("click",()=>{const o=s.getAttribute("data-style-theme");o&&a.setStyleTheme(o)})}),document.getElementById("sidebar-toggle-btn")?.addEventListener("click",()=>{a.toggleSidebar()}),document.getElementById("sidebar-backdrop")?.addEventListener("click",()=>{a.setSidebarVisible(!1)}),document.querySelectorAll(".sidebar-section.collapsible h3").forEach(s=>{s.addEventListener("click",()=>{s.parentElement?.classList.toggle("collapsed")})}),document.getElementById("sidebar")?.addEventListener("click",s=>{const o=s.target,l=o.closest("a");if(!l){o.classList.contains("logo")&&(s.preventDefault(),r.navigate("/",{}));return}const f=l.getAttribute("data-nav"),h=Object.fromEntries(r.getCurrentRoute().query.entries());if(f==="filter"){s.preventDefault();const c=l.getAttribute("data-value");r.getCurrentRoute().path==="/settings"?r.navigate("/",{...h,filter:c}):r.updateQuery({filter:c})}else if(f==="tag"){s.preventDefault();const c=l.getAttribute("data-value");r.navigate(`/tag/${encodeURIComponent(c)}`,h)}else if(f==="feed"){s.preventDefault();const c=l.getAttribute("data-value"),d=r.getCurrentRoute();a.activeFeedId===parseInt(c)&&d.path!=="/settings"?r.navigate("/",h):r.navigate(`/feed/${c}`,h)}else f==="settings"&&(s.preventDefault(),r.getCurrentRoute().path==="/settings"?r.navigate("/",h):r.navigate("/settings",h));window.innerWidth<=768&&a.setSidebarVisible(!1)}),document.getElementById("content-area")?.addEventListener("click",s=>{const o=s.target,l=o.closest('[data-action="toggle-star"]');if(l){const d=l.closest("[data-id]");if(d){const b=parseInt(d.getAttribute("data-id"));U(b)}return}const f=o.closest('[data-action="scrape"]');if(f){const d=f.closest("[data-id]");if(d){const b=parseInt(d.getAttribute("data-id"));V(b)}return}const h=o.closest('[data-action="open"]'),c=o.closest(".feed-item");if(c&&!h){const d=parseInt(c.getAttribute("data-id"));u=d,u=d;const b=a.items.find(_=>_._id===d);b&&!b.read&&p(d,{read:!0})}})}function L(){const{feeds:e,activeFeedId:t}=a,n=document.getElementById("feed-list");n&&(n.innerHTML=e.map(i=>`
+    <li class="${i._id===t?"active":""}">
+      <a href="/v3/feed/${i._id}" data-nav="feed" data-value="${i._id}">
+        ${i.title||i.url}
+      </a>
+    </li>
+  `).join(""))}function $(){}function F(){const{filter:e}=a,t=document.getElementById("filter-list");t&&t.querySelectorAll("li").forEach(n=>{n.classList.toggle("active",n.getAttribute("data-filter")===e)})}function S(){const{items:e,loading:t}=a,n=document.getElementById("content-area");if(!n||r.getCurrentRoute().path==="/settings")return;if(t&&e.length===0){n.innerHTML='<p class="loading">Loading items...</p>';return}if(e.length===0){n.innerHTML='<p class="empty">No items found.</p>';return}n.innerHTML=`
+    <ul class="item-list">
+      ${e.map(s=>O(s)).join("")}
+    </ul>
+    ${a.hasMore?'<div id="load-more-sentinel" class="loading-more">Loading more...</div>':""}
+  `;const i=document.getElementById("main-content");if(i){let s=null;i.onscroll=()=>{!a.loading&&a.hasMore&&i.scrollHeight>i.clientHeight&&i.scrollHeight-i.scrollTop-i.clientHeight<200&&E(),s===null&&(s=window.setTimeout(()=>{R(i),s=null},250))}}}function R(e){const t=e.getBoundingClientRect(),n=e.querySelectorAll(".feed-item");for(const i of n){const s=parseInt(i.getAttribute("data-id")),o=a.items.find(f=>f._id===s);if(!o||o.read)continue;i.getBoundingClientRect().bottom<t.top&&p(o._id,{read:!0})}}typeof window<"u"&&setInterval(()=>{const e=document.getElementById("main-content");if(a.loading||!a.hasMore)return;if(e&&(R(e),e.scrollHeight>e.clientHeight&&e.scrollHeight-e.scrollTop-e.clientHeight<200)){E();return}const t=document.documentElement.scrollHeight||document.body.scrollHeight,n=window.innerHeight,i=window.scrollY||document.documentElement.scrollTop;t>n&&t-n-i<200&&E()},1e3);function v(){const e=document.getElementById("content-area");if(!e)return;e.innerHTML=`
+    <div class="settings-view">
+      <h2>Settings</h2>
+      
+      <div class="settings-grid">
+        <section class="settings-section">
+          <h3>Data</h3>
+          <div class="data-group">
+            <div class="button-group">
+              <a href="/api/export/opml" class="button" target="_blank">EXPORT OPML</a>
+              <a href="/api/export/text" class="button" target="_blank">EXPORT TEXT</a>
+              <a href="/api/export/json" class="button" target="_blank">EXPORT JSON</a>
+            </div>
+          </div>
+          <div class="data-group" style="margin-top: 1rem;">
+             <div class="button-group">
+               <button class="import-btn" data-format="opml">IMPORT OPML</button>
+               <button class="import-btn" data-format="text">IMPORT TEXT</button>
+               <button class="import-btn" data-format="json">IMPORT JSON</button>
+             </div>
+             <input type="file" id="import-file" style="display: none;">
+          </div>
+        </section>
+
+        <section class="settings-section">
+          <h3>Theme</h3>
+          <div class="settings-group">
+            <div class="theme-options" id="theme-options">
+              <button class="${a.theme==="light"?"active":""}" data-theme="light">Light</button>
+              <button class="${a.theme==="dark"?"active":""}" data-theme="dark">Dark</button>
+            </div>
+          </div>
+        </section>
+
+        <section class="settings-section">
+          <h3>Style</h3>
+          <div class="settings-group">
+            <div class="theme-options" id="style-theme-options">
+              ${q.map(i=>`<button class="${a.styleTheme===i?"active":""}" data-style-theme="${i}">${i.charAt(0).toUpperCase()+i.slice(1)}</button>`).join(`
+              `)}
+            </div>
+          </div>
+        </section>
+
+        <section class="settings-section">
+          <h3>Fonts</h3>
+          <div class="settings-group">
+            <label>System & headings</label>
+            <select id="heading-font-selector" style="margin-bottom: 1rem;">
+              <option value="default" ${a.headingFontTheme==="default"?"selected":""}>System (Helvetica Neue)</option>
+              <option value="serif" ${a.headingFontTheme==="serif"?"selected":""}>Serif (Georgia)</option>
+              <option value="sans" ${a.headingFontTheme==="sans"?"selected":""}>Sans-Serif (Inter/System)</option>
+              <option value="mono" ${a.headingFontTheme==="mono"?"selected":""}>Monospace</option>
+            </select>
+
+            <label>article body</label>
+            <select id="font-selector">
+              <option value="default" ${a.fontTheme==="default"?"selected":""}>Default (Palatino)</option>
+              <option value="serif" ${a.fontTheme==="serif"?"selected":""}>Serif (Georgia)</option>
+              <option value="sans" ${a.fontTheme==="sans"?"selected":""}>Sans-Serif (Helvetica)</option>
+              <option value="mono" ${a.fontTheme==="mono"?"selected":""}>Monospace</option>
+            </select>
+          </div>
+        </section>
+      </div>
+
+      <section class="settings-section manage-feeds-section">
+        <h3>Manage Feeds</h3>
+        
+        <div class="add-feed-form" style="margin-bottom: 2rem;">
+            <input type="url" id="new-feed-url" placeholder="https://example.com/rss.xml">
+            <button id="add-feed-btn">ADD FEED</button>
+        </div>
+
+        <ul class="manage-feed-list">
+          ${a.feeds.map(i=>`
+            <li class="manage-feed-item">
+              <div class="feed-info">
+                <div class="feed-title">${i.title||i.url}</div>
+                <div class="feed-url">${i.url}</div>
+              </div>
+              <div class="feed-actions">
+                <!-- FIXME: Tags feature is broken/unused in V3. Soft deprecated for now.
+                <input type="text" class="feed-tag-input" data-id="${i._id}" value="${i.category||""}" placeholder="Tag">
+                <button class="update-feed-tag-btn" data-id="${i._id}">SAVE</button>
+                -->
+                <button class="delete-feed-btn" data-id="${i._id}">DELETE</button>
+              </div>
+            </li>
+          `).join("")}
+        </ul>
+      </section>
+    </div>
+  `,document.getElementById("theme-options")?.addEventListener("click",i=>{const s=i.target.closest("button");s&&(a.setTheme(s.getAttribute("data-theme")),v())}),document.getElementById("style-theme-options")?.addEventListener("click",i=>{const s=i.target.closest("button");s&&a.setStyleTheme(s.getAttribute("data-style-theme"))}),document.getElementById("heading-font-selector")?.addEventListener("change",i=>{a.setHeadingFontTheme(i.target.value)}),document.getElementById("font-selector")?.addEventListener("change",i=>{a.setFontTheme(i.target.value)}),document.getElementById("add-feed-btn")?.addEventListener("click",async()=>{const i=document.getElementById("new-feed-url"),s=i.value.trim();s&&(await N(s)?(i.value="",alert("Feed added successfully!"),y()):alert("Failed to add feed."))});let t="opml";const n=document.getElementById("import-file");document.querySelectorAll(".import-btn").forEach(i=>{i.addEventListener("click",s=>{t=s.currentTarget.getAttribute("data-format")||"opml",n.click()})}),n?.addEventListener("change",async i=>{const s=i.target.files?.[0];s&&(await j(s,t)?(alert(`Import (${t}) started! check logs.`),y()):alert("Failed to import.")),n.value=""}),document.querySelectorAll(".delete-feed-btn").forEach(i=>{i.addEventListener("click",async s=>{const o=parseInt(s.target.getAttribute("data-id"));confirm("Delete this feed?")&&(await Q(o),await y(),v())})})}async function N(e){try{return(await m("/api/feed",{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify({url:e})})).ok}catch(t){return console.error("Failed to add feed",t),!1}}async function j(e,t){try{const n=new FormData;n.append("file",e),n.append("format",t);const i=document.cookie.split("; 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