Fixes Issue #4

build/bundle.js

@@ -6569,7 +6569,7 @@ var init = function() {
           "help; levels"
         ].join(''));
     });
-  } else {
+  } else if (!(/\?NODEMO/.test(window.location.href))) {
     sandbox.mainVis.customEvents.on('gitEngineReady', function() {
       eventBaton.trigger(
         'commandSubmitted',
@@ -8726,6 +8726,12 @@ GitEngine.prototype.merge = function(targetSource, currentLocation) {
 GitEngine.prototype.checkoutStarter = function() {
   var args = null;
   if (this.commandOptions['-b']) {
+    if (this.generalArgs.length) {
+      throw new GitError({
+        msg: "I don't expect general args before -b!"
+      });
+    }
+
     // the user is really trying to just make a branch and then switch to it. so first:
     args = this.commandOptions['-b'];
     this.twoArgsImpliedHead(args, '-b');
@@ -18626,7 +18632,7 @@ var init = function() {
           "help; levels"
         ].join(''));
     });
-  } else {
+  } else if (!(/\?NODEMO/.test(window.location.href))) {
     sandbox.mainVis.customEvents.on('gitEngineReady', function() {
       eventBaton.trigger(
         'commandSubmitted',
@@ -20364,6 +20370,12 @@ GitEngine.prototype.merge = function(targetSource, currentLocation) {
 GitEngine.prototype.checkoutStarter = function() {
   var args = null;
   if (this.commandOptions['-b']) {
+    if (this.generalArgs.length) {
+      throw new GitError({
+        msg: "I don't expect general args before -b!"
+      });
+    }
+
     // the user is really trying to just make a branch and then switch to it. so first:
     args = this.commandOptions['-b'];
     this.twoArgsImpliedHead(args, '-b');

index.html

@@ -409,7 +409,7 @@
        For a much easier time perusing the source, see the individual files at:
           https://github.com/pcottle/learnGitBranching
   -->
-  <script src="build/bundle.min.3b93aec2.js"></script>
+  <script src="build/bundle.min.797f6847.js"></script>
 
   <!-- The advantage of github pages: super-easy, simple, slick static hostic.
        The downside? No raw logs to parse for analytics, so I have to include

src/js/app/index.js

@@ -131,7 +131,7 @@ var init = function() {
           "help; levels"
         ].join(''));
     });
-  } else {
+  } else if (!(/\?NODEMO/.test(window.location.href))) {
     sandbox.mainVis.customEvents.on('gitEngineReady', function() {
       eventBaton.trigger(
         'commandSubmitted',

src/js/git/index.js

@@ -1208,6 +1208,12 @@ GitEngine.prototype.merge = function(targetSource, currentLocation) {
 GitEngine.prototype.checkoutStarter = function() {
   var args = null;
   if (this.commandOptions['-b']) {
+    if (this.generalArgs.length) {
+      throw new GitError({
+        msg: "I don't expect general args before -b!"
+      });
+    }
+
     // the user is really trying to just make a branch and then switch to it. so first:
     args = this.commandOptions['-b'];
     this.twoArgsImpliedHead(args, '-b');