Async Actions
Explore how Redux middleware enables asynchronous actions by accessing getState and dispatch. Learn to create debounce middleware that delays actions like autocomplete, improving user experience and reducing redundant dispatches in your Redux store.
We'll cover the following...
What makes middleware so powerful is the access to both getState() and dispatch(), as these functions allow a middleware to run asynchronous actions and give it full access to the store. A very simple example would be an action AUTO_COMPLETE action from running as the user types in a search term. We would probably want to wait 500 ms for the user to type in part of the search string and then run the query with the latest value.
We can create a debounce middleware that will catch any action with the debounce key set in its metadata and ensure it is delayed by the ...