Update to support new metadata: title, description, tags and google-analytics (GA) and refactor render publish slide response function

2 files changed, 34 insertions, 14 deletions

diff --git a/public/js/extra.js b/public/js/extra.js
index 953770be..e67eee53 100644
--- a/public/js/extra.js
+++ b/public/js/extra.js
@@ -43,12 +43,16 @@ function updateLastChangeUser() {
 
 //get title
 function getTitle(view) {
-    var h1s = view.find("h1");
     var title = "";
-    if (h1s.length > 0) {
-        title = h1s.first().text();
+    if (md && md.meta && md.meta.title && (typeof md.meta.title == "string" || typeof md.meta.title == "number")) {
+        title = md.meta.title;
     } else {
-        title = null;
+        var h1s = view.find("h1");
+        if (h1s.length > 0) {
+            title = h1s.first().text();
+        } else {
+            title = null;
+        }
     }
     return title;
 }
@@ -93,7 +97,7 @@ function parseMeta(md, edit, view, toc, tocAffix) {
         spellcheck = meta.spellcheck;
     }
     //text language
-    if (lang) {
+    if (lang && typeof lang == "string") {
         view.attr('lang', lang);
         toc.attr('lang', lang);
         tocAffix.attr('lang', lang);
@@ -107,7 +111,7 @@ function parseMeta(md, edit, view, toc, tocAffix) {
             edit.removeAttr('lang', lang);
     }
     //text direction
-    if (dir) {
+    if (dir && typeof dir == "string") {
         view.attr('dir', dir);
         toc.attr('dir', dir);
         tocAffix.attr('dir', dir);
diff --git a/public/js/history.js b/public/js/history.js
index 9bdca709..0840580d 100644
--- a/public/js/history.js
+++ b/public/js/history.js
@@ -202,28 +202,44 @@ function writeHistoryToStorage(view) {
     }
 }
 
+if (!Array.isArray) {
+    Array.isArray = function(arg) {
+        return Object.prototype.toString.call(arg) === '[object Array]';
+    };
+}
+
 function renderHistory(view) {
     var title = renderFilename(view);
 
     var tags = [];
     var rawtags = [];
-    view.find('h6').each(function (key, value) {
-        if (/^tags/gmi.test($(value).text())) {
-            var codes = $(value).find("code");
-            for (var i = 0; i < codes.length; i++)
-                rawtags.push(codes[i]);
+    if (md && md.meta && md.meta.tags && (typeof md.meta.tags == "string" || typeof md.meta.tags == "number")) {
+        var metaTags = ('' + md.meta.tags).split(',');
+        for (var i = 0; i < metaTags.length; i++) {
+            var text = metaTags[i].trim();
+            if (text) rawtags.push(text);
         }
-    });
+    } else {
+        view.find('h6').each(function (key, value) {
+            if (/^tags/gmi.test($(value).text())) {
+                var codes = $(value).find("code");
+                for (var i = 0; i < codes.length; i++) {
+                    var text = codes[i].innerHTML.trim();
+                    if (text) rawtags.push(text);
+                }
+            }
+        });
+    }
     for (var i = 0; i < rawtags.length; i++) {
         var found = false;
         for (var j = 0; j < tags.length; j++) {
-            if (tags[j] == rawtags[i].innerHTML) {
+            if (tags[j] == rawtags[i]) {
                 found = true;
                 break;
             }
         }
         if (!found)
-            tags.push(rawtags[i].innerHTML);
+            tags.push(rawtags[i]);
     }
     //console.debug(tags);
     var id = urlpath ? location.pathname.slice(urlpath.length + 1, location.pathname.length).split('/')[1] : location.pathname.split('/')[1];