Temporarily patch an upstream issue in mithril

html/js/melpa.js

@@ -11,6 +11,31 @@
   // TODO Show recent github events on package pages where applicable
   // TODO Voting / starring
 
+  // Temporary fix pending https://github.com/lhorie/mithril.js/issues/101 upstream
+  m.sync = function(args) {
+    var method = "resolve"
+    function synchronizer(pos, resolved) {
+      return function(value) {
+        --outstanding
+        results[pos] = value
+        if (!resolved) method = "reject"
+        if (outstanding == 0) {
+          deferred.promise(results)
+          deferred[method](results)
+        }
+        return value
+      }
+    }
+
+    var deferred = m.deferred()
+    var outstanding = args.length
+    var results = new Array(outstanding)
+    for (var i = 0; i < args.length; i++) {
+      args[i].then(synchronizer(i, true), synchronizer(false))
+    }
+    return deferred.promise
+  }
+
 
   //////////////////////////////////////////////////////////////////////////////
   // Helpers