Updates

examples/common.js

@@ -258,6 +258,11 @@
 	// shim for using process in browser
 	
 	var process = module.exports = {};
+	
+	// cached from whatever global is present so that test runners that stub it don't break things.
+	var cachedSetTimeout = setTimeout;
+	var cachedClearTimeout = clearTimeout;
+	
 	var queue = [];
 	var draining = false;
 	var currentQueue;
@@ -282,7 +287,7 @@
 	    if (draining) {
 	        return;
 	    }
-	    var timeout = setTimeout(cleanUpNextTick);
+	    var timeout = cachedSetTimeout(cleanUpNextTick);
 	    draining = true;
 	
 	    var len = queue.length;
@@ -299,7 +304,7 @@
 	    }
 	    currentQueue = null;
 	    draining = false;
-	    clearTimeout(timeout);
+	    cachedClearTimeout(timeout);
 	}
 	
 	process.nextTick = function (fun) {
@@ -311,7 +316,7 @@
 	    }
 	    queue.push(new Item(fun, args));
 	    if (queue.length === 1 && !draining) {
-	        setTimeout(drainQueue, 0);
+	        cachedSetTimeout(drainQueue, 0);
 	    }
 	};
 	
@@ -19948,6 +19953,9 @@
 	  }, {
 	    key: 'onMouseDown',
 	    value: function onMouseDown(e) {
+	      if (e.button !== 0) {
+	        return;
+	      }
 	      var position = getMousePosition(this.props.vertical, e);
 	      this.onStart(position);
 	      this.addDocumentEvents('mouse');