const terms = [ // Please add new terms in alphabetical order. { titles: ["ALPN"], caseSensitive: true, link: "https://en.wikipedia.org/wiki/Application-Layer_Protocol_Negotiation", meaning: "ALPN (Application-Layer Protocol Negotiation) allows a client and server to negotiate which application protocol (like HTTP/2 or HTTP/1.1) to use over a secure connection during the TLS handshake.", }, { titles: ["CEL"], caseSensitive: true, link: "https://github.com/google/cel-spec/tree/master?tab=readme-ov-file#common-expression-language", meaning: "CEL (Common Expression Language) is a fast, safe, and portable expression language developed by Google for evaluating expressions in configuration, policy, and runtime environments.", }, { titles: ["CRD"], caseSensitive: true, meaning: "CustomResourceDefinitions allow users to extend the Kubernetes API by defining their own resource types.", link: "https://kubernetes.io//tasks/extend-kubernetes/custom-resources/custom-resource-definitions/", pluralEnding: "s", }, { titles: ["Endpoint Pooling", "Endpoint pool"], meaning: 'When your create two ngrok endpoints with the same URL (and binding), those endpoints automatically form a "pool" and share incoming traffic.', link: "/docs/universal-gateway/endpoint-pooling/", pluralEnding: "s", }, { titles: ["Gateway API CRD", "Gateway API"], link: "https://gateway-api.sigs.k8s.io/guides/", meaning: "Gateway API CRDs (Custom Resource Definitions) are a set of standardized, extensible resources that manage networking configurations like routing, gateways, and traffic policies.", pluralEnding: "s", }, { titles: ["Helm"], meaning: "Helm is a package manager for Kubernetes that simplifies the deployment and management of applications on Kubernetes clusters.", link: "https://helm.sh/", }, { titles: ["Ingress"], meaning: "An ingress is an entry point into a network for traffic from outside of the network.", pluralEnding: "es", }, { titles: ["IP CIDR", "CIDR"], meaning: "Classless Inter-Domain Routing is a method used to allocate IP addresses more efficiently and route IP packets more flexibly than older class-based systems.", link: "https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing", pluralEnding: "s", }, { titles: ["JIT provisioning"], meaning: "Just-In-Time Single Sign-On Provisioning is a user account provisioning method that automatically creates (or updates) user accounts at the time of login via Single Sign-On, rather than pre-creating all user accounts in advance.", link: "https://en.wikipedia.org/wiki/System_for_Cross-domain_Identity_Management", }, { titles: ["K8"], meaning: "K8s is an industry-standard abbreviation for Kubernetes.", pluralEnding: "s", link: "https://kubernetes.io/docs/concepts/overview/", }, { titles: ["Let's Encrypt", "Let's Encrypt", "LetsEncrypt", "Lets encrypt"], meaning: "Let's Encrypt is a free, automated, and open certificate authority (CA) that provides digital certificates to enable HTTPS (SSL/TLS) for websites.", link: "https://letsencrypt.org/about/", }, { titles: ["MCP server", "MCP"], meaning: "MCP (Model Context Protocol) is an open standard that allows AI models to access external data, tools, and services, and potentially use them to automate workflows.", link: "https://en.wikipedia.org/wiki/Model_Context_Protocol", pluralEnding: "s", }, { titles: ["OIDC"], meaning: "OpenID Connect (OIDC) is an authentication protocol that enables third-party applications to confirm a user's identity and access basic profile details through a single sign-on (SSO) process.", link: "https://en.wikipedia.org/wiki/OpenID", }, { titles: ["OWASP"], caseSensitive: true, meaning: "The Open Web Application Security Project is a non-profit organization dedicated to improving software security through providing resources, tools, and community support.", link: "https://owasp.org/about/", }, { titles: ["reverse proxy", "reverse proxies"], link: "https://en.wikipedia.org/wiki/Reverse_proxy", meaning: "Reverse proxies are an extra security layer between public traffic and your internal services. They live on servers or cloud services, and they intercept and forward traffic to upstream services.", }, { titles: ["shadow IT"], meaning: "Shadow IT refers to IT systems, software, and cloud services used by individuals within an organization without the IT department's knowledge or approval", link: "https://en.wikipedia.org/wiki/Shadow_IT", }, { titles: ["SNI"], caseSensitive: true, link: "https://en.wikipedia.org/wiki/Server_Name_Indication", meaning: "SNI (Server Name Indication) is a TLS extension that allows a client to specify the hostname it is trying to connect to during the TLS handshake, enabling servers to present the correct SSL/TLS certificate for that hostname.", }, { titles: [ "TCP-KeepAlive", "TCP KeepAlive", "TCP Keep-Alive", "TCP Keep Alive", ], meaning: "TCP KeepAlive enables TCP connections to remain active even when no data is exchanged between the connected endpoints.", link: "https://en.wikipedia.org/wiki/Keepalive", }, { titles: ["TLS Certificate"], pluralEnding: "s", link: "https://en.wikipedia.org/wiki/Transport_Layer_Security", meaning: "A TLS certificate (or SSL certificate) is a digital certificate that ensure your connection to a website or server is securly encrypted.", }, { titles: ["TLS Termination"], meaning: "TLS (Transport Layer Security) termination is the process of decrypting incoming TLS traffic at a server or load balancer before passing the unencrypted traffic to internal systems.", link: "/docs/universal-gateway/tls-termination/", }, { titles: ["Traffic Policy", "Traffic Policies"], meaning: "Traffic Policy is a configuration language that enables you to filter, match, manage and orchestrate traffic to your endpoints. For example, you can add authentication, send custom response, rate limit traffic, and more.", link: "/docs/traffic-policy/", }, { titles: ["v2"], caseSensitive: true, meaning: "v2 is shorthand for the second major version of the ngrok Agent.", link: "/docs/agent/config/v2", }, { titles: ["v3"], caseSensitive: true, meaning: "v3 is shorthand for the third major version of the ngrok Agent.", link: "/docs/agent/config/v3", }, { titles: ["WAF"], link: "https://en.wikipedia.org/wiki/Web_application_firewall", caseSensitive: true, meaning: "A web application firewall (WAF) is an intermediary service in the cloud or on a server that protects web services by filtering and monitoring HTTP traffic.", }, ]; function wrapTermsOnLoad() { // Get page title to check against const pageTitle = document.getElementById('page-title'); const pageTitleText = pageTitle ? pageTitle.textContent.toLowerCase() : ''; // Get all mdx-content containers const mdxContainers = document.querySelectorAll('div[class*="mdx-content"]'); // Track which terms have been wrapped to only wrap the first instance const wrappedTerms = new Set(); mdxContainers.forEach((container, containerIndex) => { // Find all p spans and li elements within this container const pSpans = container.querySelectorAll('span[data-as="p"]'); const listItems = container.querySelectorAll('li'); const elementsToProcess = [...pSpans, ...listItems]; elementsToProcess.forEach((element, elementIndex) => { const elementText = element.textContent; // Skip if element is inside a link, heading, or code block if (isInsideExcludedElement(element)) { return; } terms.forEach(termObj => { termObj.titles.forEach(termTitle => { // Skip if this term is already wrapped or if it appears in the page title if (wrappedTerms.has(termTitle) || pageTitleText.includes(termTitle.toLowerCase())) { return; } // Skip if we're already on the page that this term links to if (termObj.link && window.location.pathname.includes(termObj.link)) { return; } // Create regex for term matching (no global flag to replace only first occurrence) const flags = termObj.caseSensitive ? '' : 'i'; const regex = new RegExp(`\\b${escapeRegex(termTitle)}\\b`, flags); // Check if term exists in this element if (regex.test(element.textContent)) { // Use text node replacement instead of innerHTML replacement if (replaceInTextNodes(element, regex, termTitle, termObj)) { wrappedTerms.add(termTitle); return; // Exit early since we only want first instance } } }); }); }); }); } function escapeRegex(string) { return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); } function escapeHtml(text) { const div = document.createElement('div'); div.textContent = text; return div.innerHTML; } function isInsideExcludedElement(element) { // List of tag names to exclude const excludedTags = ['A', 'H1', 'H2', 'H3', 'H4', 'H5', 'H6', 'PRE', 'CODE']; // Check current element and all ancestors let current = element; while (current && current !== document.body) { if (excludedTags.includes(current.tagName)) { return true; } current = current.parentElement; } return false; } function replaceInTextNodes(element, regex, termTitle, termObj) { // Get all text nodes within the element const textNodes = []; const walker = document.createTreeWalker( element, NodeFilter.SHOW_TEXT, { acceptNode: function(node) { // Skip text nodes that are inside excluded elements if (isInsideExcludedElement(node.parentElement)) { return NodeFilter.FILTER_REJECT; } return NodeFilter.FILTER_ACCEPT; } } ); let currentNode; while (currentNode = walker.nextNode()) { textNodes.push(currentNode); } // Find the first text node that contains our term for (let textNode of textNodes) { const text = textNode.textContent; if (regex.test(text)) { // Create the replacement elements const definition = termObj.meaning || 'Definition not available'; const link = termObj.link || ''; const button = document.createElement('button'); button.setAttribute('data-state', 'closed'); button.setAttribute('data-tooltip', definition); if (link) { button.setAttribute('data-link', link); } const span = document.createElement('span'); span.className = 'tooltip underline decoration-dotted decoration-2 underline-offset-4 decoration-gray-400 dark:decoration-gray-500'; // Preserve styling from parent elements (italics, bold, etc.) copyParentStyles(textNode.parentElement, span); // Split the text and create new nodes const match = text.match(regex); if (match) { const matchText = match[0]; const beforeText = text.substring(0, match.index); const afterText = text.substring(match.index + matchText.length); span.textContent = matchText; button.appendChild(span); // Replace the text node with the new structure const parent = textNode.parentNode; if (beforeText) { parent.insertBefore(document.createTextNode(beforeText), textNode); } parent.insertBefore(button, textNode); if (afterText) { parent.insertBefore(document.createTextNode(afterText), textNode); } parent.removeChild(textNode); // Add tooltip behavior addTooltipBehavior(button); return true; // Successfully replaced } } } return false; // No replacement made } function copyParentStyles(sourceElement, targetElement) { // Walk up the DOM tree to find styling elements let current = sourceElement; const stylesToPreserve = { fontStyle: '', fontWeight: '', textDecoration: '' }; while (current && current !== document.body) { const computedStyle = window.getComputedStyle(current); // Preserve italic styling from , , or CSS if (computedStyle.fontStyle === 'italic' && !stylesToPreserve.fontStyle) { stylesToPreserve.fontStyle = 'italic'; } // Preserve bold styling from , , or CSS const fontWeight = computedStyle.fontWeight; if ((fontWeight === 'bold' || parseInt(fontWeight) >= 600) && !stylesToPreserve.fontWeight) { stylesToPreserve.fontWeight = fontWeight; } // Preserve underline styling from or CSS (but not our tooltip underline) const textDecoration = computedStyle.textDecoration; if (textDecoration && textDecoration !== 'none' && !current.classList.contains('tooltip')) { stylesToPreserve.textDecoration = textDecoration; } current = current.parentElement; } // Apply the preserved styles to the target element if (stylesToPreserve.fontStyle) { targetElement.style.fontStyle = stylesToPreserve.fontStyle; } if (stylesToPreserve.fontWeight) { targetElement.style.fontWeight = stylesToPreserve.fontWeight; } if (stylesToPreserve.textDecoration) { targetElement.style.textDecoration = stylesToPreserve.textDecoration; } } function addTooltipBehavior(button) { const tooltip = button.getAttribute('data-tooltip'); const link = button.getAttribute('data-link'); if (!tooltip) return; let tooltipElement = null; let hideTimeout = null; function showTooltip(e) { // Clear any pending hide timeout if (hideTimeout) { clearTimeout(hideTimeout); hideTimeout = null; } // Remove any existing tooltip hideTooltip(); // Create tooltip element tooltipElement = document.createElement('div'); // Create the main content const contentDiv = document.createElement('div'); contentDiv.textContent = tooltip; tooltipElement.appendChild(contentDiv); // Add "Learn More" link if there's a link if (link) { const learnMoreDiv = document.createElement('div'); learnMoreDiv.style.cssText = ` margin-top: 8px !important; padding-top: 8px !important; border-top: 1px solid rgba(255, 255, 255, 0.2) !important; `; const learnMoreLink = document.createElement('a'); learnMoreLink.href = link; learnMoreLink.style.cssText = ` color: #60a5fa !important; text-decoration: none !important; cursor: pointer !important; font-size: 14px !important; display: inline-flex !important; align-items: center !important; gap: 4px !important; `; // Add hover effects learnMoreLink.addEventListener('mouseenter', () => { learnMoreLink.style.textDecoration = 'underline'; }); learnMoreLink.addEventListener('mouseleave', () => { learnMoreLink.style.textDecoration = 'none'; }); // Determine if URL is absolute or relative const isInternalLink = link.startsWith("/"); // Create appropriate SVG icon const iconSvg = document.createElement('span'); iconSvg.innerHTML = `
${isInternalLink ? `` : ``}
`; // Add text and icon to the link learnMoreLink.appendChild(document.createTextNode('Learn More')); learnMoreLink.appendChild(iconSvg); // Handle link clicks learnMoreLink.addEventListener('click', (e) => { e.preventDefault(); if (link.startsWith('http')) { window.open(link, '_blank'); } else { window.location.href = link; } hideTooltip(); }); learnMoreDiv.appendChild(learnMoreLink); tooltipElement.appendChild(learnMoreDiv); } // Determine if we're on a mobile device const isMobile = window.innerWidth <= 768; const maxWidth = isMobile ? 'calc(100vw - 32px)' : 'min(320px, 90vw)'; // Style to match the image - dark rounded rectangle with white text tooltipElement.style.cssText = ` position: fixed !important; z-index: 999999 !important; background-color: #000000 !important; color: white !important; padding: ${isMobile ? '12px' : '12px'} !important; border-radius: 8px !important; font-size: 16px !important; font-weight: 400 !important; line-height: 1.3 !important; width: auto !important; max-width: ${maxWidth} !important; min-width: 0 !important; word-wrap: break-word !important; overflow-wrap: break-word !important; white-space: normal !important; pointer-events: auto !important; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3) !important; display: block !important; visibility: visible !important; opacity: 1 !important; box-sizing: border-box !important; overflow: hidden !important; `; // Position tooltip above the element like in the image const rect = button.getBoundingClientRect(); // Add to body first to measure document.body.appendChild(tooltipElement); const tooltipRect = tooltipElement.getBoundingClientRect(); // Center horizontally and position above (using fixed positioning, so no scroll offset needed) let left = rect.left + (rect.width / 2) - (tooltipRect.width / 2); let top = rect.top - tooltipRect.height - 8; // Keep tooltip on screen if (left < 10) left = 10; if (left + tooltipRect.width > window.innerWidth - 10) { left = window.innerWidth - tooltipRect.width - 10; } // If no room above, show below if (top < 10) { top = rect.bottom + 8; } tooltipElement.style.left = left + 'px'; tooltipElement.style.top = top + 'px'; // Add hover behavior to tooltip to keep it open tooltipElement.addEventListener('mouseenter', () => { if (hideTimeout) { clearTimeout(hideTimeout); hideTimeout = null; } }); tooltipElement.addEventListener('mouseleave', () => { hideTimeout = setTimeout(hideTooltip, 100); }); } function hideTooltip() { if (tooltipElement) { tooltipElement.remove(); tooltipElement = null; } if (hideTimeout) { clearTimeout(hideTimeout); hideTimeout = null; } } function scheduleHide() { hideTimeout = setTimeout(hideTooltip, 100); } // Add event listeners button.addEventListener('mouseenter', showTooltip); button.addEventListener('mouseleave', scheduleHide); button.addEventListener('focus', showTooltip); button.addEventListener('blur', scheduleHide); } // Set up MutationObserver to handle theme changes and re-renders function setupContentObserver() { // Throttle function to avoid excessive re-runs let timeout = null; function throttledWrapTerms() { if (timeout) clearTimeout(timeout); timeout = setTimeout(() => { wrapTermsOnLoad(); }, 100); } // Watch for changes to the main content area const observer = new MutationObserver((mutations) => { let shouldRerun = false; mutations.forEach((mutation) => { // Check if mdx-content or main content areas changed if (mutation.type === 'childList') { const target = mutation.target; if (target.classList && ( target.classList.contains('mdx-content') || target.id === 'content' || target.id === 'content-area' )) { shouldRerun = true; } // Also check if added nodes contain mdx-content mutation.addedNodes.forEach((node) => { if (node.nodeType === Node.ELEMENT_NODE) { if (node.classList && node.classList.contains('mdx-content')) { shouldRerun = true; } // Check if added node contains mdx-content if (node.querySelector && node.querySelector('.mdx-content')) { shouldRerun = true; } } }); } // Also watch for attribute changes that might indicate theme changes if (mutation.type === 'attributes' && (mutation.attributeName === 'class' || mutation.attributeName === 'data-theme')) { shouldRerun = true; } }); if (shouldRerun) { throttledWrapTerms(); } }); // Start observing observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['class', 'data-theme'] }); return observer; } // Run on page load with multiple timing attempts and set up observer if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', () => { wrapTermsOnLoad(); setupContentObserver(); // Also try after a delay in case framework re-renders setTimeout(() => { wrapTermsOnLoad(); }, 500); setTimeout(() => { wrapTermsOnLoad(); }, 1000); }); } else { wrapTermsOnLoad(); setupContentObserver(); // Also try after delays setTimeout(() => { wrapTermsOnLoad(); }, 500); }

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