fn-machine - npm Package Compare versions

Comparing version 0.0.9 to 0.0.10

package.json

 {
   "name": "fn-machine",
-  "version": "0.0.9",
+  "version": "0.0.10",
   "description": "a tiny functional state machine",
@@ -5,0 +5,0 @@ "main": "index",

src/fn-machine.js

@@ -29,15 +29,19 @@ /** @typedef {import('./fn-state').CurrentState} CurrentState */
       const transition = active.transitions[transitionKey];
-      // if there's a transition, call it, otherwise just return the current state.
+      // if there's a transition, call it, otherwise just keep the current state.
       const next = transition ? transition(detail, context) : {state: current, context};
-      // if the current state has an exit function, run it.
-      active.exit && active.exit();
-      const newState = states.find(s => s.name === next.state);
-      // if the new state has an enter function, run it as well.
-      newState.enter && newState.enter(next.context || context);
-      // update current
-      current = next.state;
-      // update next.context if necessary
-      next.context = context = next.context ? next.context : context;
-      // call callback with the latest state.
-      changeCb(next);
+      // we only want to run exit, enter and the callback IF a transition was run.
+      if (transition) {
+        // if the current state has an exit function, run it.
+        active.exit && active.exit();
+        const newState = states.find(s => s.name === next.state);
+        // if the new state has an enter function, run it as well.
+        newState.enter && newState.enter(next.context || context);
+        // update current
+        current = next.state;
+        // update next.context if necessary
+        next.context = context = next.context ? next.context : context;
+        // call callback with the latest state.
+        changeCb(next);
+      }
+
       return next;
@@ -44,0 +48,0 @@ }

No alert changes

Improved metrics

Total package byte prevSize

6497

increased by2.15%

Lines of code

167

increased by1.83%

No dependency changes