add (undocumented) config flag to opt in to be notified of enter/leave lifecycle events even if the transition does NOT change state

Author: jakesgordon

.ackrc

@@ -0,0 +1,4 @@
+--ignore-dir=coverage
+--ignore-dir=node_modules
+--ignore-dir=.nyc_output
+

dist/state-machine-visualize.js

@@ -167,12 +167,12 @@ dotcfg.states = function(config, options) {
 dotcfg.transitions = function(config, options) {
   var n, max, transition,
       init        = config.init,
-      transitions = config.source.transitions || [], // easier to visualize using the ORIGINAL transition declarations rather than our run-time mapping
+      transitions = config.options.transitions || [], // easier to visualize using the ORIGINAL transition declarations rather than our run-time mapping
       output = [];
   if (options.init && init.active)
     dotcfg.transition(init.name, init.from, init.to, init.dot, config, options, output)
   for (n = 0, max = transitions.length ; n < max ; n++) {
-    transition = config.source.transitions[n]
+    transition = config.options.transitions[n]
     dotcfg.transition(transition.name, transition.from, transition.to, transition.dot, config, options, output)
   }
   return output

dist/state-machine-visualize.min.js

@@ -177,7 +177,7 @@ function Config(options, StateMachine) {
 
   options = options || {};
 
-  this.source      = options; // preserving original options helps with visualize plugin
+  this.options     = options; // preserving original options can be useful (e.g visualize plugin)
   this.defaults    = StateMachine.defaults;
   this.states      = [];
   this.transitions = [];
@@ -404,7 +404,7 @@ mixin(JSM.prototype, {
   transit: function(transition, from, to, args) {
 
     var lifecycle = this.config.lifecycle,
-        changed   = from !== to;
+        changed   = this.config.options.observeUnchangedState || (from !== to);
 
     if (!to)
       return this.context.onInvalidTransition(transition, from, to);

dist/state-machine.js

@@ -177,7 +177,7 @@ function Config(options, StateMachine) {
 
   options = options || {};
 
-  this.source      = options; // preserving original options helps with visualize plugin
+  this.options     = options; // preserving original options can be useful (e.g visualize plugin)
   this.defaults    = StateMachine.defaults;
   this.states      = [];
   this.transitions = [];
@@ -404,7 +404,7 @@ mixin(JSM.prototype, {
   transit: function(transition, from, to, args) {
 
     var lifecycle = this.config.lifecycle,
-        changed   = from !== to;
+        changed   = this.config.options.observeUnchangedState || (from !== to);
 
     if (!to)
       return this.context.onInvalidTransition(transition, from, to);

dist/state-machine.min.js

@@ -167,12 +167,12 @@ dotcfg.states = function(config, options) {
 dotcfg.transitions = function(config, options) {
   var n, max, transition,
       init        = config.init,
-      transitions = config.source.transitions || [], // easier to visualize using the ORIGINAL transition declarations rather than our run-time mapping
+      transitions = config.options.transitions || [], // easier to visualize using the ORIGINAL transition declarations rather than our run-time mapping
       output = [];
   if (options.init && init.active)
     dotcfg.transition(init.name, init.from, init.to, init.dot, config, options, output)
   for (n = 0, max = transitions.length ; n < max ; n++) {
-    transition = config.source.transitions[n]
+    transition = config.options.transitions[n]
     dotcfg.transition(transition.name, transition.from, transition.to, transition.dot, config, options, output)
   }
   return output

lib/state-machine.js

@@ -11,7 +11,7 @@ function Config(options, StateMachine) {
 
   options = options || {};
 
-  this.source      = options; // preserving original options helps with visualize plugin
+  this.options     = options; // preserving original options can be useful (e.g visualize plugin)
   this.defaults    = StateMachine.defaults;
   this.states      = [];
   this.transitions = [];

lib/visualize.js

@@ -71,7 +71,7 @@ mixin(JSM.prototype, {
   transit: function(transition, from, to, args) {
 
     var lifecycle = this.config.lifecycle,
-        changed   = from !== to;
+        changed   = this.config.options.observeUnchangedState || (from !== to);
 
     if (!to)
       return this.context.onInvalidTransition(transition, from, to);

src/config.js

@@ -64,12 +64,12 @@ dotcfg.states = function(config, options) {
 dotcfg.transitions = function(config, options) {
   var n, max, transition,
       init        = config.init,
-      transitions = config.source.transitions || [], // easier to visualize using the ORIGINAL transition declarations rather than our run-time mapping
+      transitions = config.options.transitions || [], // easier to visualize using the ORIGINAL transition declarations rather than our run-time mapping
       output = [];
   if (options.init && init.active)
     dotcfg.transition(init.name, init.from, init.to, init.dot, config, options, output)
   for (n = 0, max = transitions.length ; n < max ; n++) {
-    transition = config.source.transitions[n]
+    transition = config.options.transitions[n]
     dotcfg.transition(transition.name, transition.from, transition.to, transition.dot, config, options, output)
   }
   return output