Advanced State with Reducers

Readings

useReducer hook

• Name an alternative to the useState Hook.

  • useReducer

• Why might the useReducer Hook be preferable to the useState Hook?

  • helps you manage complex state logic in React applications

• What are two ways to set the initial state?

  • pass the initial state as a second argument/pass an init function as a third argument

Ultimate Guide to useReducer

• In terms of state, what does useReducer expect to receive as a parameter?

  • reducer function as the first and the initial state as the second

• What does useReducer return?

  • returns an array that holds the current state value and a dispatch function to which you can pass an action and later invoke it

• Explain dispatch to a non-technical recruiter.

  • basically it sends the type of action to the reducer function, which updates state

Reflection

• What are your learning goals after reading and reviewing the class README?
  • I’m looking forward to the lecture tomorrow on how the reducer function works in the code we’re working on