Why State Machines?

• Old Idea
• Planning
• Visual

Component State

• Local
• Changeable
  • From Inside the Component
  • To Anything

Redux State

• Global
• Changeable
  • By Specific Events
  • To Anything

State Machines

• Local
• Changeable
  • By Specific Events
  • To A Defined State

You are already using state machines.

How to spot a state machine:

• Multiple related booleans
• An enum that defines a sequence
• UI that progresses through steps

What state machines have you seen?

Is this a state machine?

• What are the states?
   
• What are the events?
   
• What are the transitions and actions?
   
• Does it need to track any values in context?