Migration guide

Migrating from 2.0.0 to 3.0.0

1. Reactive object definition

• Way of defining reactive state has changed from state: () => ({ ... }) to reactive: { ... }

2. Executing actions

• Executing actions from machine instance no longer uses .from() method. Instead actions are directly called from the state key like this: machine.INITIAL.increment(1)

3. Action context has been changed

• this.$state to this.$reactive
• this.changeState to this.$changeState
• this.resetState to this.$resetReactive

4. Machine instance method has been changed

• this.$state to this.reactive
• this.$changeState to this.changeState
• this.$resetState to this.resetReactive

5. onEnter and onLeave hooks has been renamed

• onEnter hook has been renamed to $onEnter
• onLeave hook has been renamed to $onLeave

6. Initial state key is required while defining machine

• adding initial: string key to machine is now required.