Run lebab

layout/_scripts/pages/schedule.njk

@@ -1,7 +1,7 @@
 <script{{ pjax }}>
 (function() {
   // Initialization
-  var calendar = {
+  const calendar = {
     orderBy     : 'startTime',
     showLocation: false,
     offsetMax   : 72,
@@ -14,9 +14,9 @@
   // Read config form theme config file
   Object.assign(calendar, {{ theme.calendar | safedump }});
 
-  var now = new Date();
+  const now = new Date();
-  var timeMax = new Date();
+  const timeMax = new Date();
-  var timeMin = new Date();
+  const timeMin = new Date();
 
   timeMax.setHours(now.getHours() + calendar.offsetMax);
   timeMin.setHours(now.getHours() - calendar.offsetMin);
@@ -32,88 +32,37 @@
     maxResults  : calendar.maxResults
   };
 
-  var request_url = 'https://www.googleapis.com/calendar/v3/calendars/' + calendar.calendar_id + '/events?' + Object.entries(params).map(([key, value]) => `${key}=${encodeURIComponent(value)}`).join('&');
+  const request_url = 'https://www.googleapis.com/calendar/v3/calendars/' + calendar.calendar_id + '/events?' + Object.entries(params).map(([key, value]) => `${key}=${encodeURIComponent(value)}`).join('&');
-
-  fetchData();
-  var fetchDataTimer = setInterval(fetchData, 60000);
-  document.addEventListener('pjax:send', () => {
-    clearInterval(fetchDataTimer);
-  });
-
-  function fetchData() {
-    var eventList = document.querySelector('.event-list');
-    if (!eventList) return;
-
-    fetch(request_url).then(response => {
-      return response.json();
-    }).then(data => {
-      if (data.items.length === 0) {
-        eventList.innerHTML = '<hr>';
-        return;
-      }
-      // Clean the event list
-      eventList.innerHTML = '';
-      var prevEnd = 0; // used to decide where to insert an <hr>
-
-      data.items.forEach(event => {
-        // Parse data
-        var utc   = new Date().getTimezoneOffset() * 60000;
-        var start = event.start.dateTime = new Date(event.start.dateTime || (new Date(event.start.date).getTime() + utc));
-        var end   = event.end.dateTime = new Date(event.end.dateTime || (new Date(event.end.date).getTime() + utc));
-
-        tense = judgeTense(now, start, end); // 0:now 1:future -1:past
-
-        if (tense === 1 && prevEnd < now) {
-          eventList.innerHTML += '<hr>';
-        }
-
-        eventDOM = buildEventDOM(tense, event);
-        eventList.innerHTML += eventDOM;
-
-        prevEnd = end;
-      });
-    });
-  }
 
   function getRelativeTime(current, previous) {
-    var msPerMinute = 60 * 1000;
+    const msPerMinute = 60 * 1000;
-    var msPerHour = msPerMinute * 60;
+    const msPerHour = msPerMinute * 60;
-    var msPerDay = msPerHour * 24;
+    const msPerDay = msPerHour * 24;
-    var msPerMonth = msPerDay * 30;
+    const msPerMonth = msPerDay * 30;
-    var msPerYear = msPerDay * 365;
+    const msPerYear = msPerDay * 365;
 
-    var elapsed = current - previous;
+    let elapsed = current - previous;
-    var tense = elapsed > 0 ? 'ago' : 'later';
+    const tense = elapsed > 0 ? 'ago' : 'later';
 
     elapsed = Math.abs(elapsed);
 
     if (elapsed < msPerHour) {
       return Math.round(elapsed / msPerMinute) + ' minutes ' + tense;
-    }
+    } else if (elapsed < msPerDay) {
-    else if ( elapsed < msPerDay   ) {
       return Math.round(elapsed / msPerHour) + ' hours ' + tense;
-    }
+    } else if (elapsed < msPerMonth) {
-    else if ( elapsed < msPerMonth ) {
       return 'about ' + Math.round(elapsed / msPerDay) + ' days ' + tense;
-    }
+    } else if (elapsed < msPerYear) {
-    else if ( elapsed < msPerYear  ) {
       return 'about ' + Math.round(elapsed / msPerMonth) + ' months ' + tense;
     }
-    else {
-      return 'about' + Math.round(elapsed / msPerYear) + ' years' + tense;
-    }
-  }
 
-  function judgeTense(now, eventStart, eventEnd) {
+    return 'about' + Math.round(elapsed / msPerYear) + ' years' + tense;
-    if      (eventEnd   < now) { return -1; }
-    else if (eventStart > now) { return  1; }
-    else                       { return  0; }
   }
 
   function buildEventDOM(tense, event) {
-    var tenseClass = '';
+    let tenseClass = '';
-    var start      = event.start.dateTime;
+    const start = event.start.dateTime;
-    var end        = event.end.dateTime;
+    const end = event.end.dateTime;
     switch (tense) {
       case 0: // now
         tenseClass = 'event-now';
@@ -125,22 +74,22 @@
         tenseClass = 'event-past';
         break;
       default:
-        throw 'Time data error';
+        throw new Error('Time data error');
     }
-    var durationFormat = {
+    const durationFormat = {
       weekday: 'short',
       hour   : '2-digit',
       minute : '2-digit'
     };
-    var relativeTimeStr = (tense === 0) ? 'NOW' : getRelativeTime(now, start);
+    const relativeTimeStr = tense === 0 ? 'NOW' : getRelativeTime(now, start);
-    var durationStr = start.toLocaleTimeString([], durationFormat) + ' - ' + end.toLocaleTimeString([], durationFormat);
+    const durationStr = start.toLocaleTimeString([], durationFormat) + ' - ' + end.toLocaleTimeString([], durationFormat);
 
-    var locationDOM = '';
+    let locationDOM = '';
     if (calendar.showLocation && event.location) {
       locationDOM = '<span class="event-location event-details">' + event.location + '</span>';
     }
 
-    var eventContent = `<div class="event ${tenseClass}">
+    const eventContent = `<div class="event ${tenseClass}">
         <h2 class="event-summary">
           ${event.summary}
           <span class="event-relative-time">${relativeTimeStr}</span>
@@ -150,5 +99,49 @@
       </div>`;
     return eventContent;
   }
+
+  function fetchData() {
+    const eventList = document.querySelector('.event-list');
+    if (!eventList) return;
+
+    fetch(request_url).then(response => {
+      return response.json();
+    }).then(data => {
+      if (data.items.length === 0) {
+        eventList.innerHTML = '<hr>';
+        return;
+      }
+      // Clean the event list
+      eventList.innerHTML = '';
+      let prevEnd = 0; // used to decide where to insert an <hr>
+
+      data.items.forEach(event => {
+        // Parse data
+        const utc = new Date().getTimezoneOffset() * 60000;
+        const start = event.start.dateTime = new Date(event.start.dateTime || (new Date(event.start.date).getTime() + utc));
+        const end = event.end.dateTime = new Date(event.end.dateTime || (new Date(event.end.date).getTime() + utc));
+
+        let tense = 0; // 0:now 1:future -1:past
+        if (end < now) {
+          tense = -1;
+        } else if (start > now) {
+          tense = 1;
+        }
+
+        if (tense === 1 && prevEnd < now) {
+          eventList.innerHTML += '<hr>';
+        }
+
+        eventList.innerHTML += buildEventDOM(tense, event);
+        prevEnd = end;
+      });
+    });
+  }
+
+  fetchData();
+  const fetchDataTimer = setInterval(fetchData, 60000);
+  document.addEventListener('pjax:send', () => {
+    clearInterval(fetchDataTimer);
+  });
 })();
 </script>

layout/_third-party/math/mathjax.njk

@@ -38,7 +38,7 @@
       }
     };
     (function () {
-      var script = document.createElement('script');
+      const script = document.createElement('script');
       script.src = '{{ url_for(mathjax_uri) }}';
       script.defer = true;
       document.head.appendChild(script);

layout/_third-party/statistics/firestore.njk

@@ -10,7 +10,7 @@
     function getCount(doc, increaseCount) {
       // IncreaseCount will be false when not in article page
       return doc.get().then(d => {
-        var count = 0;
+        let count = 0;
         if (!d.exists) { // Has no data, initialize count
           if (increaseCount) {
             doc.set({
@@ -41,13 +41,13 @@
   </script>
   <script{{ pjax }}>
     (function() {
-      var db = firebase.firestore();
+      const db = firebase.firestore();
-      var articles = db.collection('{{ theme.firestore.collection }}');
+      const articles = db.collection('{{ theme.firestore.collection }}');
 
       if (CONFIG.page.isPost) { // Is article page
-        var title = document.querySelector('.post-title').innerText.trim();
+        const title = document.querySelector('.post-title').innerText.trim();
-        var doc = articles.doc(title);
+        const doc = articles.doc(title);
-        var increaseCount = CONFIG.hostname === location.hostname;
+        let increaseCount = CONFIG.hostname === location.hostname;
         if (localStorage.getItem(title)) {
           increaseCount = false;
         } else {
@@ -56,13 +56,13 @@
         }
         getCount(doc, increaseCount).then(appendCountTo(document.querySelector('.firestore-visitors-count')));
       } else if (CONFIG.page.isHome) { // Is index page
-        var promises = [...document.querySelectorAll('.post-title')].map(element => {
+        const promises = [...document.querySelectorAll('.post-title')].map(element => {
-          var title = element.innerText.trim();
+          const title = element.innerText.trim();
-          var doc = articles.doc(title);
+          const doc = articles.doc(title);
           return getCount(doc);
         });
         Promise.all(promises).then(counts => {
-          var metas = document.querySelectorAll('.firestore-visitors-count');
+          const metas = document.querySelectorAll('.firestore-visitors-count');
           counts.forEach((val, idx) => {
             appendCountTo(metas[idx])(val);
           });

layout/_third-party/statistics/lean-analytics.njk

@@ -7,15 +7,15 @@
     }
 
     function addCount(Counter) {
-      var visitors = document.querySelector('.leancloud_visitors');
+      const visitors = document.querySelector('.leancloud_visitors');
-      var url = decodeURI(visitors.id);
+      const url = decodeURI(visitors.id);
-      var title = visitors.dataset.flagTitle;
+      const title = visitors.dataset.flagTitle;
 
       Counter('get', '/classes/Counter?where=' + encodeURIComponent(JSON.stringify({ url })))
         .then(response => response.json())
         .then(({ results }) => {
           if (results.length > 0) {
-            var counter = results[0];
+            const counter = results[0];
             leancloudSelector(url).innerText = counter.time + 1;
             Counter('put', '/classes/Counter/' + counter.objectId, { time: { '__op': 'Increment', 'amount': 1 } })
               .catch(error => {
@@ -43,8 +43,8 @@
     }
 
     function showTime(Counter) {
-      var visitors = document.querySelectorAll('.leancloud_visitors');
+      const visitors = document.querySelectorAll('.leancloud_visitors');
-      var entries = [...visitors].map(element => {
+      const entries = [...visitors].map(element => {
         return decodeURI(element.id);
       });
 
@@ -63,7 +63,7 @@
 
     let { app_id, app_key, server_url } = {{ theme.leancloud_visitors | safedump }};
     function fetchData(api_server) {
-      var Counter = (method, url, data) => {
+      const Counter = (method, url, data) => {
         return fetch(`${api_server}/1.1${url}`, {
           method,
           headers: {
@@ -82,7 +82,7 @@
       }
     }
 
-    let api_server = app_id.slice(-9) !== '-MdYXbMMI' ? server_url : `https://${app_id.slice(0, 8).toLowerCase()}.api.lncldglobal.com`;
+    const api_server = app_id.slice(-9) !== '-MdYXbMMI' ? server_url : `https://${app_id.slice(0, 8).toLowerCase()}.api.lncldglobal.com`;
 
     if (api_server) {
       fetchData(api_server);