reroute-nj/widget.html at main · jamditis/reroute-nj · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Reroute NJ — Widget</title>
  <link rel="icon" type="image/svg+xml" href="img/favicon.svg">
  <link rel="stylesheet" href="css/styles.css">
  <style>
    /* Override site chrome for widget context */
    body { padding-top: 0 !important; background: #f8f9fb; }
    .header, .tool-nav, .seo-summary, .footer { display: none !important; }
    .container { max-width: 100%; padding: 0.5rem; }
    .widget-attribution { text-align: center; padding: 8px 0; font-size: 0.75rem; color: #73849a; border-top: 1px solid #e8ecf1; margin-top: 1rem; }
    .widget-attribution a { color: #73849a; text-decoration: none; }
    .widget-attribution a:hover { color: #e87722; }
    .widget-error { text-align: center; padding: 40px 20px; color: #73849a; }
    .widget-error h2 { font-size: 1.1rem; margin-bottom: 8px; color: #1a2332; }
    .widget-error a { color: #e87722; }

    /* Hide hero sections in widget context */
    .compare-hero, .coverage-hero, .embed-hero { display: none; }
    #map { height: 400px; }
  </style>
</head>
<body>
  <main class="container" id="main-content"></main>
  <div class="widget-attribution">
    Powered by <a href="https://reroutenj.org" target="_blank" rel="noopener">Reroute NJ</a>
  </div>

  <script>
    // Widget loader — reads URL params and builds the appropriate tool
    // Security note: setStaticHTML is used only for static HTML fragments with
    // no user-controlled content. User input (tool param in error case) uses
    // textContent for XSS safety.
    (function () {
      "use strict";

      function getParam(name) {
        var match = window.location.search.match(new RegExp("[?&]" + name + "=([^&]*)"));
        return match ? decodeURIComponent(match[1]) : null;
      }

      function loadScript(src, callback) {
        var s = document.createElement("script");
        s.src = src;
        s.onload = callback || function () {};
        document.body.appendChild(s);
      }

      function loadStylesheet(href) {
        var link = document.createElement("link");
        link.rel = "stylesheet";
        link.href = href;
        document.head.appendChild(link);
      }

      // Make all links in the widget open in a new tab
      function externalizeLinks() {
        document.addEventListener("click", function (e) {
          var a = e.target.closest ? e.target.closest("a") : null;
          if (a && a.href && a.href.indexOf("reroutenj.org") > -1 && !a.getAttribute("target")) {
            a.setAttribute("target", "_blank");
            a.setAttribute("rel", "noopener");
          }
        });
      }

      // Build DOM safely from static HTML fragments (no user input)
      function setStaticHTML(el, html) {
        el.innerHTML = html; // eslint-disable-line -- static markup only, no user input
      }

      /**
       * Fetch translations for the given language and set window._T.
       * Falls back to English (empty _T) on error or if lang is "en"/absent.
       */
      function fetchTranslations(callback) {
        var lang = getParam("lang");
        if (!lang || lang === "en") {
          // Don't set window._T here — let i18n.js set it to the
          // built-in EN object so t() lookups work for English.
          callback();
          return;
        }
        // Set html lang attribute
        document.documentElement.lang = lang;

        var url = "translations/" + encodeURIComponent(lang) + ".json";
        var xhr = new XMLHttpRequest();
        xhr.open("GET", url, true);
        xhr.onload = function () {
          if (xhr.status === 200) {
            try {
              var data = JSON.parse(xhr.responseText);
              // Populate window._T with all runtime-relevant sections
              var sections = ["common", "js", "compare", "coverage", "card", "index", "map"];
              window._T = {};
              for (var i = 0; i < sections.length; i++) {
                var key = sections[i];
                if (data[key]) {
                  window._T[key] = data[key];
                }
              }
            } catch (e) {
              // Leave _T unset so i18n.js loads English as fallback
            }
          }
          // If _T wasn't populated (parse error or non-200), i18n.js
          // will set it to the built-in EN object as fallback.
          callback();
        };
        xhr.onerror = function () {
          // Leave _T unset so i18n.js loads English as fallback
          callback();
        };
        xhr.send();
      }

      /** Get a translated string, with fallback */
      function wt(section, key, fallback) {
        if (window._T && window._T[section] && window._T[section][key]) {
          return window._T[section][key];
        }
        return fallback;
      }

      /**
       * After translations load but before tool JS runs, update the
       * hardcoded English labels in the scaffold DOM.
       */
      function retranslateScaffold(tool) {
        if (!window._T || !Object.keys(window._T).length) return;

        if (tool === "line-guide") {
          // Line badge placeholder
          var badge = document.getElementById("line-badge");
          if (badge) badge.textContent = wt("js", "select_line", "Select a line");

          // Station picker label
          var stationLabel = document.querySelector('.station-picker label[for="station-select"]');
          if (stationLabel) stationLabel.textContent = wt("index", "your_station", "Your station");

          // Station select placeholder
          var stationSelect = document.getElementById("station-select");
          if (stationSelect && stationSelect.options[0]) {
            stationSelect.options[0].textContent = wt("index", "choose_station", "Choose your station\u2026");
          }

          // Direction label
          var dirLabel = document.querySelector('.direction-picker label[for="direction-select"]');
          if (dirLabel) dirLabel.textContent = wt("index", "direction_of_travel", "Direction of travel");

          // Direction buttons
          var dirBtns = document.querySelectorAll(".direction-btn");
          if (dirBtns.length >= 2) {
            dirBtns[0].innerHTML = wt("index", "nj_to_nyc", "NJ &rarr; NYC") + ' <span class="dir-sub">' + wt("index", "morning_commute", "morning commute") + "</span>"; // eslint-disable-line -- static translated strings only
            dirBtns[1].innerHTML = wt("index", "nyc_to_nj", "NYC &rarr; NJ") + ' <span class="dir-sub">' + wt("index", "evening_commute", "evening commute") + "</span>"; // eslint-disable-line -- static translated strings only
          }

          // Tab buttons
          var tabAffected = document.getElementById("tab-affected");
          if (tabAffected) tabAffected.textContent = wt("index", "am_i_affected", "Am I affected?");
          var tabRoutes = document.getElementById("tab-routes");
          if (tabRoutes) tabRoutes.textContent = wt("index", "route_planner", "Route planner");
          var tabTickets = document.getElementById("tab-tickets");
          if (tabTickets) tabTickets.textContent = wt("index", "ticket_guide", "Ticket guide");

          // Panel headings and descriptions
          var panelAffected = document.querySelector("#panel-affected .panel-intro");
          if (panelAffected) {
            var h2a = panelAffected.querySelector("h2");
            var pa = panelAffected.querySelector("p");
            if (h2a) h2a.textContent = wt("index", "am_i_affected", "Am I affected?");
            if (pa) pa.textContent = wt("index", "affected_intro", "Select your line and station above to see exactly how the cutover changes your commute.");
          }
          var panelRoutes = document.querySelector("#panel-routes .panel-intro");
          if (panelRoutes) {
            var h2r = panelRoutes.querySelector("h2");
            var pr = panelRoutes.querySelector("p");
            if (h2r) h2r.textContent = wt("index", "route_planner", "Route planner");
            if (pr) pr.textContent = wt("index", "routes_intro", "Select a line above to see your options during the cutover.");
          }
          var panelTickets = document.querySelector("#panel-tickets .panel-intro");
          if (panelTickets) {
            var h2t = panelTickets.querySelector("h2");
            var pt = panelTickets.querySelector("p");
            if (h2t) h2t.textContent = wt("index", "ticket_guide_title", "What ticket should I buy?");
            if (pt) pt.textContent = wt("index", "tickets_intro", "Select a line above to see ticket guidance for the cutover period.");
          }

        } else if (tool === "compare") {
          // Step labels
          var steps = document.querySelectorAll(".step-label");
          if (steps.length >= 3) {
            // Keep the step-circle spans, update the text after them
            var s1 = steps[0]; s1.childNodes[s1.childNodes.length - 1].textContent = " " + wt("compare", "your_line", "Your line");
            var s2label = document.querySelector('label.step-label[for="station-select"]');
            if (s2label) s2label.childNodes[s2label.childNodes.length - 1].textContent = " " + wt("compare", "your_station", "Your station");
            var s3 = steps[2]; s3.childNodes[s3.childNodes.length - 1].textContent = " " + wt("compare", "where_manhattan", "Where in Manhattan?");
          }

          // Station select placeholder
          var cmpStation = document.getElementById("station-select");
          if (cmpStation && cmpStation.options[0]) {
            cmpStation.options[0].textContent = wt("compare", "choose_station", "Choose your station\u2026");
          }

        } else if (tool === "coverage") {
          // Filter labels
          var filterLabels = {
            "filter-source": wt("coverage", "source", "Source"),
            "filter-category": wt("coverage", "category", "Category"),
            "filter-line": wt("coverage", "line", "Line"),
            "filter-direction": wt("coverage", "direction", "Direction"),
            "filter-search": wt("coverage", "search", "Search")
          };
          for (var fid in filterLabels) {
            if (filterLabels.hasOwnProperty(fid)) {
              var lbl = document.querySelector('label[for="' + fid + '"]');
              if (lbl) lbl.textContent = filterLabels[fid];
            }
          }

          // "All sources" placeholder
          var srcSelect = document.getElementById("filter-source");
          if (srcSelect && srcSelect.options[0]) {
            srcSelect.options[0].textContent = wt("coverage", "all_sources", "All sources");
          }

          // Search placeholder
          var searchInput = document.getElementById("filter-search");
          if (searchInput) searchInput.placeholder = wt("coverage", "search_articles", "Search articles\u2026");

        } else if (tool === "map") {
          // Map filter buttons
          var allBtn = document.querySelector('[data-filter="all"]');
          if (allBtn) allBtn.textContent = wt("map", "all", "All");

          var hubBtn = document.querySelector('[data-filter="transfer-hubs"]');
          if (hubBtn) hubBtn.textContent = wt("map", "transfer_hubs", "Transfer hubs");
        }
      }

      var tool = getParam("tool");
      var lineId = getParam("line");
      var main = document.getElementById("main-content");

      if (!tool) {
        setStaticHTML(main, '<div class="widget-error"><h2>No tool specified</h2><p>Add ?tool=line-guide, compare, coverage, or map</p></div>');
        return;
      }

      externalizeLinks();

      // Fetch translations, then build the tool scaffold + load JS
      fetchTranslations(function () {

        if (tool === "line-guide") {
          // Build DOM structure matching index.html / app.js expectations
          setStaticHTML(main,
            '<div class="control-panel">' +
              '<section class="line-header">' +
                '<div class="line-badge" id="line-badge">Select a line</div>' +
                '<nav class="line-nav" id="line-nav" aria-label="Select train line"></nav>' +
              '</section>' +
              '<section class="station-picker">' +
                '<label for="station-select">Your station</label>' +
                '<select id="station-select"><option value="">Choose your station&hellip;</option></select>' +
              '</section>' +
              '<section class="direction-picker">' +
                '<label for="direction-select">Direction of travel</label>' +
                '<div class="direction-toggle" id="direction-toggle" role="group" aria-labelledby="direction-label">' +
                  '<span id="direction-label" class="sr-only">Direction of travel</span>' +
                  '<button class="direction-btn active" data-dir="nj-to-nyc" aria-pressed="true">NJ &rarr; NYC <span class="dir-sub">morning commute</span></button>' +
                  '<button class="direction-btn" data-dir="nyc-to-nj" aria-pressed="false">NYC &rarr; NJ <span class="dir-sub">evening commute</span></button>' +
                '</div>' +
              '</section>' +
            '</div>' +
            '<nav class="tool-tabs" role="tablist" aria-label="Tool options">' +
              '<button class="tab active" role="tab" aria-selected="true" aria-controls="panel-affected" id="tab-affected" data-tab="affected">Am I affected?</button>' +
              '<button class="tab" role="tab" aria-selected="false" aria-controls="panel-routes" id="tab-routes" data-tab="routes" tabindex="-1">Route planner</button>' +
              '<button class="tab" role="tab" aria-selected="false" aria-controls="panel-tickets" id="tab-tickets" data-tab="tickets" tabindex="-1">Ticket guide</button>' +
            '</nav>' +
            '<section id="panel-affected" class="tool-panel active" role="tabpanel" aria-labelledby="tab-affected">' +
              '<div class="panel-intro"><h2>Am I affected?</h2><p>Select your line and station above to see exactly how the cutover changes your commute.</p></div>' +
              '<div id="impact-empty"></div>' +
              '<div id="impact-result" class="hidden" aria-live="polite" tabindex="-1"></div>' +
            '</section>' +
            '<section id="panel-routes" class="tool-panel" role="tabpanel" aria-labelledby="tab-routes">' +
              '<div class="panel-intro" id="routes-intro"><h2>Route planner</h2><p>Select a line above to see your options during the cutover.</p></div>' +
              '<div id="routes-content" aria-live="polite" tabindex="-1"></div>' +
            '</section>' +
            '<section id="panel-tickets" class="tool-panel" role="tabpanel" aria-labelledby="tab-tickets">' +
              '<div class="panel-intro" id="tickets-intro"><h2>What ticket should I buy?</h2><p>Select a line above to see ticket guidance for the cutover period.</p></div>' +
              '<div id="tickets-content" aria-live="polite" tabindex="-1"></div>' +
            '</section>' +
            '<div id="countdown"></div>');

          // Retranslate the scaffold before tool JS runs
          retranslateScaffold("line-guide");

          // Load scripts in order: i18n -> shared -> line-data -> app
          loadScript("js/i18n.js", function () {
            loadScript("js/shared.js", function () {
              loadScript("js/line-data.js", function () {
                loadScript("js/app.js", function () {
                  // Pre-select line if specified
                  if (lineId) {
                    setTimeout(function () {
                      var btn = document.querySelector('[data-line="' + lineId + '"]');
                      if (btn) btn.click();
                    }, 100);
                  }
                });
              });
            });
          });

        } else if (tool === "compare") {
          // Build DOM structure matching compare.html / compare.js expectations
          setStaticHTML(main,
            '<section class="input-step">' +
              '<div class="step-label"><span class="step-circle">1</span> Your line</div>' +
              '<nav class="line-nav" id="line-nav" aria-label="Select train line"></nav>' +
            '</section>' +
            '<section class="input-step">' +
              '<label class="step-label" for="station-select"><span class="step-circle">2</span> Your station</label>' +
              '<select id="station-select"><option value="">Choose your station&hellip;</option></select>' +
            '</section>' +
            '<section class="input-step">' +
              '<div class="step-label"><span class="step-circle">3</span> Where in Manhattan?</div>' +
              '<div class="dest-grid" id="dest-grid" role="group" aria-label="Manhattan destinations"></div>' +
            '</section>' +
            '<section id="results" class="compare-results hidden" aria-live="polite" tabindex="-1">' +
              '<div id="results-header" class="results-header"></div>' +
              '<div id="results-normal" class="results-normal"></div>' +
              '<div id="results-list"></div>' +
              '<div id="results-share" class="results-share"></div>' +
            '</section>');

          retranslateScaffold("compare");

          // Load scripts in order: i18n -> shared -> compare
          // compare.js has its own embedded line/station data, no line-data.js needed
          loadScript("js/i18n.js", function () {
            loadScript("js/shared.js", function () {
              loadScript("js/compare.js", function () {
                if (lineId) {
                  setTimeout(function () {
                    var btn = document.querySelector('[data-line="' + lineId + '"]');
                    if (btn) btn.click();
                  }, 100);
                }
              });
            });
          });

        } else if (tool === "coverage") {
          // Build DOM structure matching coverage.html / coverage.js expectations
          setStaticHTML(main,
            '<p class="coverage-updated" id="coverage-updated"></p>' +
            '<section class="coverage-filters" id="coverage-filters" role="search" aria-label="Filter news articles">' +
              '<div class="filter-group"><label for="filter-source">Source</label><select id="filter-source"><option value="">All sources</option></select></div>' +
              '<div class="filter-group"><label for="filter-category">Category</label><select id="filter-category"><option value="">All categories</option><option value="news">News</option><option value="opinion">Opinion</option><option value="analysis">Analysis</option><option value="official">Official</option><option value="community">Community</option></select></div>' +
              '<div class="filter-group"><label for="filter-line">Line</label><select id="filter-line"><option value="">All lines</option><option value="montclair-boonton">Montclair-Boonton</option><option value="morris-essex">Morris &amp; Essex</option><option value="northeast-corridor">Northeast Corridor</option><option value="north-jersey-coast">North Jersey Coast</option><option value="raritan-valley">Raritan Valley</option></select></div>' +
              '<div class="filter-group"><label for="filter-direction">Direction</label><select id="filter-direction"><option value="">All directions</option><option value="nj-to-nyc">NJ to NYC</option><option value="nyc-to-nj">NYC to NJ</option><option value="both">Both directions</option></select></div>' +
              '<div class="filter-group filter-search"><label for="filter-search">Search</label><input type="text" id="filter-search" placeholder="Search articles&hellip;"></div>' +
            '</section>' +
            '<section class="coverage-feed" id="coverage-feed" aria-live="polite" aria-label="News articles" tabindex="-1"></section>');

          retranslateScaffold("coverage");

          loadScript("js/i18n.js", function () {
            loadScript("js/shared.js", function () {
              loadScript("js/coverage.js");
            });
          });

        } else if (tool === "map") {
          // Map needs Leaflet CSS + JS, filter bar, and map container
          loadStylesheet("https://unpkg.com/leaflet@1.9.4/dist/leaflet.css");
          setStaticHTML(main,
            '<div class="map-filter-bar" id="map-filters" role="group" aria-label="Filter map by line">' +
              '<button class="map-filter-btn active" data-filter="all" aria-pressed="true">All</button>' +
              '<button class="map-filter-btn" data-filter="montclair-boonton" aria-pressed="false">Montclair-Boonton</button>' +
              '<button class="map-filter-btn" data-filter="morris-essex" aria-pressed="false">Morris &amp; Essex</button>' +
              '<button class="map-filter-btn" data-filter="northeast-corridor" aria-pressed="false">Northeast Corridor</button>' +
              '<button class="map-filter-btn" data-filter="north-jersey-coast" aria-pressed="false">North Jersey Coast</button>' +
              '<button class="map-filter-btn" data-filter="raritan-valley" aria-pressed="false">Raritan Valley</button>' +
              '<button class="map-filter-btn" data-filter="transfer-hubs" aria-pressed="false">Transfer hubs</button>' +
            '</div>' +
            '<div id="map" role="application" aria-label="Interactive map" style="height:400px;border-radius:8px;"></div>');

          retranslateScaffold("map");

          loadScript("https://unpkg.com/leaflet@1.9.4/dist/leaflet.js", function () {
            loadScript("js/i18n.js", function () {
              loadScript("js/shared.js", function () {
                loadScript("js/map.js");
              });
            });
          });

        } else {
          // XSS-safe error for unknown tool — use textContent, not innerHTML for user input
          var errDiv = document.createElement("div");
          errDiv.className = "widget-error";
          var h2 = document.createElement("h2");
          h2.textContent = "Unknown tool: " + tool;
          var p = document.createElement("p");
          p.textContent = "Valid tools: line-guide, compare, coverage, map. ";
          var link = document.createElement("a");
          link.href = "https://reroutenj.org/embed.html";
          link.setAttribute("target", "_blank");
          link.setAttribute("rel", "noopener");
          link.textContent = "See all embed options";
          p.appendChild(link);
          errDiv.appendChild(h2);
          errDiv.appendChild(p);
          main.appendChild(errDiv);
        }

      }); // end fetchTranslations callback
    })();
  </script>
</body>
</html>