The data needs to be stored somewhere. To do this, let’s use the @react-native-async-storage/async-storage library.
Let’s write two functions to save and read data in the functions.js file at the root of the project.
Let’s call these functions setStorage for saving and readStorage for reading.
setStorage takes two arguments - the data key and the data itself.
The data in async-storage must be stored as a JSON string under the passed key using the setItem method.
readStorage must read a method from async-storage by the key passed to it using the getItem method.
If there is no data, let’s return null.
Remember - both methods must be asynchronous and wait for setItem or getItem to execute.
This task is part of the Full-Stack JavaScript Course.
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