feat(exam-prep F2): порт браузера вариантов + API /variants + POST /attempts + редирект /exam9

2026-05-29 10:43:10 +03:00
parent 1b6865a491
commit 7c33d4ce11
6 changed files with 555 additions and 9 deletions
@@ -0,0 +1,37 @@
+'use strict';
+/* ──────────────────────────────────────────────────────────────────
+   KaTeX bootstrap for the exam-prep module.
+
+   Page must include the KaTeX CSS + JS via CDN tags BEFORE this script.
+   The `onKatexLoad` global is wired up via the KaTeX auto-render onload.
+   ────────────────────────────────────────────────────────────────── */
+
+(function () {
+  let loaded = false;
+  const pending = [];
+
+  // Global called from auto-render.min.js onload handler in the HTML.
+  window.onKatexLoad = function () {
+    loaded = true;
+    while (pending.length) {
+      try { renderMathInElement(pending.shift(), KATEX_OPTS); } catch {}
+    }
+  };
+
+  const KATEX_OPTS = {
+    delimiters: [
+      { left: '$$', right: '$$', display: true  },
+      { left: '$',  right: '$',  display: false },
+    ],
+    throwOnError: false,
+  };
+
+  function run(el) {
+    if (!el) return;
+    if (!loaded) { pending.push(el); return; }
+    try { renderMathInElement(el, KATEX_OPTS); } catch {}
+  }
+
+  window.EP = window.EP || {};
+  window.EP.katex = { run, isLoaded: () => loaded };
+})();