jsondecoder

Asked on 09/23/2024

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The JSONDecoder is mentioned in the context of creating a custom data store with SwiftData. In the session titled "Create a custom data store with SwiftData," it is explained that when implementing a data store that uses a JSON file to persist models, the JSONDecoder is used to load data from the file URL provided by the configuration. This is part of the process of handling a datastore fetch request, where the data in the store is loaded and a datastore fetch result is instantiated with the snapshots from the file. The JSONDecoder is utilized because the default snapshot is codable, allowing for easy loading of data.

For more details, you can refer to the session Create a custom data store with SwiftData (08:31).