`; document.body.appendChild(el); return el; } const bubble = ensureBubble(); const elH = bubble.querySelector("#tt-title"); const elB = bubble.querySelector("#tt-body"); const elClose = bubble.querySelector(".tt-close"); // ---------------- Parse [[term|heading|body]] anywhere ---------------- const TOKEN_RE = /\[\[([^|\]]+)\|([^|\]]+)\|([^\]]+)\]\]/g; const BLOCK_SKIP = new Set(["SCRIPT","STYLE","NOSCRIPT","TEXTAREA","INPUT","SELECT","CODE","PRE","TEMPLATE","IFRAME"]); function shouldSkipTextNode(n){ let el = n.parentElement; while (el){ if (BLOCK_SKIP.has(el.tagName) || el.isContentEditable) return true; el = el.parentElement; } return false; } const walker = document.createTreeWalker(document.body, NodeFilter.SHOW_TEXT); const textNodes = []; while (walker.nextNode()){ const n = walker.currentNode; if (!n.nodeValue || shouldSkipTextNode(n)) continue; if (TOKEN_RE.test(n.nodeValue)) textNodes.push(n); TOKEN_RE.lastIndex = 0; } textNodes.forEach(node => { const frag = document.createDocumentFragment(); const insideLink = !!node.parentElement.closest("a"); let text = node.nodeValue, last = 0; TOKEN_RE.lastIndex = 0; let m; while ((m = TOKEN_RE.exec(text))){ if (m.index > last) frag.appendChild(document.createTextNode(text.slice(last, m.index))); const term=m[1].trim(), heading=m[2].trim(), body=m[3].trim(); const t = insideLink ? document.createElement("span") : document.createElement("button"); if (insideLink){ t.setAttribute("role","button"); t.setAttribute("tabindex","0"); } else { t.type="button"; } t.className="tt-trigger"; t.textContent=term; t.setAttribute("data-tt-h", heading); t.setAttribute("data-tt-b", body); t.setAttribute("aria-haspopup","dialog"); t.setAttribute("aria-expanded","false"); frag.appendChild(t); last = TOKEN_RE.lastIndex; } if (last = 2) return el; el = el.parentElement; } // Fallback: nearest non-inline container el = trigger.parentElement || document.body; while (el && el !== document.body){ const d = getComputedStyle(el).display; if (d !== "inline" && d !== "contents") return el; el = el.parentElement; } return document.body; } // Utility: child of `ancestor` that contains `target` (direct child) function directChildContaining(ancestor, target){ for (const ch of ancestor.children){ if (ch === target || ch.contains(target)) return ch; } return null; } function getElementTarget(e) { // If target is already an Element, use it if (e.target instanceof Element) return e.target; // Otherwise, walk the composed/path for the first Element const path = (typeof e.composedPath === 'function') ? e.composedPath() : []; for (const n of path) if (n instanceof Element) return n; return null; } // ---------------- Dim everything except the trigger branch (sibling branches only) ---------------- function dimAllOtherBranches(container, trigger){ undim(); // clear previous const dimEls = []; const wrappedTexts = []; const pathEls = []; // Build ELEMENT-only path [container -> ... -> trigger] const path = []; for (let el = trigger; el && el !== container; el = el.parentElement) path.push(el); path.push(container); path.reverse(); // At each ancestor level, find the *direct* child that leads to the trigger for (let i = 0; i { if (node.nodeType !== 3) return; // text only if (!node.nodeValue || !node.nodeValue.trim()) return; // If this text node sits inside branchChild, skip if (branchChild && branchChild.contains && branchChild.contains(node)) return; const span = document.createElement("span"); span.style.transition = `opacity ${DIM_EASE_MS}ms ease`; span.style.opacity = String(DIM_OPACITY); span.textContent = node.nodeValue; node.parentNode.replaceChild(span, node); wrappedTexts.push(span); }); // Keep a reference to the path elements (so we can explicitly restore opacity if needed) if (anc && anc.nodeType === 1) pathEls.push(anc); } // Hard-guard: explicitly set opacity:1 on the entire path to neutralize any inherited fade pathEls.forEach(el => { el.style.opacity = "1"; }); dimCtx = { container, dimEls, wrappedTexts, pathEls }; } function undim(){ if (!dimCtx) return; const { dimEls, wrappedTexts, pathEls } = dimCtx; // Animate back dimEls.forEach(el => { el.style.transition = `opacity ${DIM_EASE_MS}ms ease`; el.style.opacity = "1"; // remove inline style after the animation so we don't override site CSS setTimeout(() => { if (el) el.style.opacity = ""; }, DIM_EASE_MS + 50); }); wrappedTexts.forEach(span => { span.style.transition = `opacity ${DIM_EASE_MS}ms ease`; span.style.opacity = "1"; span.addEventListener("transitionend", () => { if (!span.parentNode) return; span.parentNode.replaceChild(document.createTextNode(span.textContent || ""), span); }, { once:true }); }); // Clear hard-guard on path pathEls.forEach(el => { if (el) el.style.opacity = ""; }); dimCtx = null; } // ---------------- Positioning (centered, edge-aware, flip) ---------------- function clamp(v,min,max){ return Math.max(min,Math.min(max,v)); } function measureBubbleForPlacement(){ const wasOpen = bubble.classList.contains("is-open"); if (!wasOpen){ bubble.style.visibility="hidden"; bubble.classList.add("is-open"); } const rect = bubble.getBoundingClientRect(); if (!wasOpen){ bubble.classList.remove("is-open"); bubble.style.visibility=""; } return { w: rect.width, h: rect.height }; } function placeAnchored(trigger){ const vw=innerWidth, vh=innerHeight; const r = trigger.getBoundingClientRect(); const { w, h } = measureBubbleForPlacement(); let left = r.left + (r.width/2) - (w/2); left = clamp(left, EDGE_PADDING, Math.max(EDGE_PADDING, vw - EDGE_PADDING - w)); const topBelow = r.bottom + OFFSET_Y; const spaceBelow = vh - topBelow - EDGE_PADDING; const placeBelow = spaceBelow >= h; let top = placeBelow ? topBelow : (r.top - h - OFFSET_Y); top = clamp(top, EDGE_PADDING, Math.max(EDGE_PADDING, vh - EDGE_PADDING - h)); bubble.style.left = left + "px"; bubble.style.top = top + "px"; const br = bubble.getBoundingClientRect(); if (br.bottom > vh - EDGE_PADDING){ bubble.style.maxHeight = (vh - 2*EDGE_PADDING) + "px"; bubble.style.overflowY = "auto"; } else { bubble.style.maxHeight = "none"; bubble.style.overflowY = "visible"; } } // ---------------- Open / Close (place → fade/scale) ---------------- function animateIn(){ bubble.style.transition = "none"; bubble.style.opacity = "0"; bubble.style.transform = "scale(0.95)"; void bubble.offsetWidth; bubble.style.transition = "opacity .18s ease, transform .18s ease"; bubble.style.opacity = "1"; bubble.style.transform = "scale(1)"; } function animateOut(done){ bubble.style.transition = "opacity .16s ease, transform .16s ease"; bubble.style.opacity = "0"; bubble.style.transform = "scale(0.95)"; const end = () => { bubble.removeEventListener("transitionend", end); done && done(); }; bubble.addEventListener("transitionend", end); setTimeout(end, 260); } function openFromTrigger(trigger){ if (current && current !== trigger) forceClose(); current = trigger; trigger.setAttribute("aria-expanded","true"); elH.textContent = trigger.getAttribute("data-tt-h") || ""; elB.textContent = trigger.getAttribute("data-tt-b") || ""; bubble.classList.add("is-open"); bubble.setAttribute("aria-hidden","false"); placeAnchored(trigger); animateIn(); const container = findTextContainer(trigger); dimAllOtherBranches(container, trigger); hoverCount = 0; cancelCloseTimer(); } function forceClose(){ if (!current) return; bubble.classList.remove("is-open"); bubble.setAttribute("aria-hidden","true"); current.setAttribute("aria-expanded","false"); current = null; undim(); hoverCount = 0; cancelCloseTimer(); } function closeWithAnim(){ if (!current) return; const t = current; animateOut(() => { bubble.classList.remove("is-open"); bubble.setAttribute("aria-hidden","true"); t.setAttribute("aria-expanded","false"); current = null; undim(); }); } function scheduleClose(){ cancelCloseTimer(); closeTimer = setTimeout(() => { if (hoverCount { if (isCoarse()) return; const target = getElementTarget(e); if (!target) return; const t = target.closest(".tt-trigger"); if (!t) return; onZoneEnter(); if (!current || current !== t) openFromTrigger(t); }; const handleLeave = (e) => { if (isCoarse()) return; const target = getElementTarget(e); if (!target) return; const t = target.closest(".tt-trigger"); if (!t) return; onZoneLeave(); }; document.addEventListener("pointerenter", handleEnter, true); document.addEventListener("mouseenter", handleEnter, true); document.addEventListener("pointerleave", handleLeave, true); document.addEventListener("mouseleave", handleLeave, true); // ---------------- Keyboard ---------------- document.addEventListener("focusin", (e) => { if (!e.target) return; const t = e.target.closest(".tt-trigger"); if (t) openFromTrigger(t); }); document.addEventListener("focusout", (e) => { if (!e.target) return; const t = e.target.closest(".tt-trigger"); if (t && current === t) closeWithAnim(); }); // ---------------- Mobile / coarse ---------------- document.addEventListener("pointerdown", (e) => { if (!isCoarse()) return; const t = e.target.closest(".tt-trigger"); if (!t) return; e.preventDefault(); e.stopPropagation(); if (current === t && bubble.classList.contains("is-open")) { closeWithAnim(); return; } openFromTrigger(t); }, true); document.addEventListener("click", (e) => { if (!isCoarse()) return; if (!bubble.classList.contains("is-open")) return; const inBubble = !!e.target.closest(".tt-bubble"); const onTrigger = !!e.target.closest(".tt-trigger"); if (!inBubble && !onTrigger) closeWithAnim(); }, true); // Close button + ESC elClose.addEventListener("click", closeWithAnim); document.addEventListener("keydown", (e) => { if (e.key === "Escape") closeWithAnim(); }); // Reposition on resize/scroll while open const reposition = () => { if (!current) return; placeAnchored(current); }; addEventListener("resize", reposition, { passive: true }); addEventListener("scroll", reposition, { passive: true }); });