merge fixes from pandora

app/static/js/utils.js

@@ -125,7 +125,10 @@ const clickLink = function(event) {
             }
             document.location.hash = '#' + link.slice(1)
         } else {
-            if (!link.startsWith('/m')) {
+            if (link.includes('/download/')) {
+                document.location.href = link
+                return
+            } else if (!link.startsWith('/m')) {
                 link = '/m' + link
             }
             history.pushState({}, '', link);
@@ -161,3 +164,59 @@ const getVideoURL = function(id, resolution, part, track, streamId) {
     return prefix + '/' + getVideoURLName(id, resolution, part, track, streamId);
 };
 
+const getSortValue = function(value) {
+    var sortValue = value;
+    function trim(value) {
+        return value.replace(/^\W+(?=\w)/, '');
+    }
+    if (
+        isEmpty(value)
+        || isNull(value)
+        || isUndefined(value)
+    ) {
+        sortValue = null;
+    } else if (isString(value)) {
+        // make lowercase and remove leading non-word characters
+        sortValue = trim(value.toLowerCase());
+        // move leading articles to the end
+        // and remove leading non-word characters
+        ['a', 'an', 'the'].forEach(function(article) {
+            if (new RegExp('^' + article + ' ').test(sortValue)) {
+                sortValue = trim(sortValue.slice(article.length + 1))
+                    + ', ' + sortValue.slice(0, article.length);
+                return false; // break
+            }
+        });
+        // remove thousand separators and pad numbers
+        sortValue = sortValue.replace(/(\d),(?=(\d{3}))/g, '$1')
+            .replace(/\d+/g, function(match) {
+                return match.padStart(64, '0')
+            });
+    }
+    return sortValue;
+};
+
+function sortBy(array, by, map) {
+    return array.sort(function(a, b) {
+        var aValue, bValue, index = 0, key, ret = 0;
+        while (ret == 0 && index < by.length) {
+            key = by[index].key;
+            aValue = getSortValue(
+                map && map[key] ? map[key](a[key], a) : a[key]
+            );
+            bValue = getSortValue(
+                map && map[key] ? map[key](b[key], b) : b[key]
+            );
+            if ((aValue === null) != (bValue === null)) {
+                ret = aValue === null ? 1 : -1;
+            } else if (aValue < bValue) {
+                ret = by[index].operator == '+' ? -1 : 1;
+            } else if (aValue > bValue) {
+                ret = by[index].operator == '+' ? 1 : -1;
+            } else {
+                index++;
+            }
+        }
+        return ret;
+    });
+}