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web/js/util.js

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+/*
+  UTIL — small shared helpers. No dependencies.
+*/
+(function () {
+  'use strict';
+
+  function escapeHtml(value) {
+    return String(value == null ? '' : value)
+      .replace(/&/g, '&')
+      .replace(/</g, '&lt;')
+      .replace(/>/g, '&gt;')
+      .replace(/"/g, '&quot;')
+      .replace(/'/g, '&#39;');
+  }
+
+  function getParam(name) {
+    return new URLSearchParams(location.search).get(name);
+  }
+
+  // 95 -> "1:35", 3675 -> "1:01:15"
+  function formatSeconds(sec) {
+    sec = Math.max(0, Math.floor(sec || 0));
+    const h = Math.floor(sec / 3600);
+    const m = Math.floor((sec % 3600) / 60);
+    const s = sec % 60;
+    const mm = h ? String(m).padStart(2, '0') : String(m);
+    const ss = String(s).padStart(2, '0');
+    return h ? `${h}:${mm}:${ss}` : `${mm}:${ss}`;
+  }
+
+  // 141 -> "2h 21m"
+  function runtimeLabel(mins) {
+    if (!mins || mins <= 0) return '';
+    const h = Math.floor(mins / 60);
+    const m = mins % 60;
+    return h ? (m ? `${h}h ${m}m` : `${h}h`) : `${m}m`;
+  }
+
+  function debounce(fn, wait) {
+    let timer = null;
+    return function (...args) {
+      clearTimeout(timer);
+      timer = setTimeout(() => fn.apply(this, args), wait);
+    };
+  }
+
+  // resize a full TMDB image URL (…/t/p/<size>/path) to another size
+  function tmdbResize(url, size) {
+    if (!url) return '';
+    return url.replace(/\/t\/p\/[A-Za-z0-9._-]+/, `/t/p/${size}`);
+  }
+
+  window.SR = window.SR || {};
+  SR.util = { escapeHtml, getParam, formatSeconds, runtimeLabel, debounce, tmdbResize };
+})();