Error restoring data [object Object]

[piotr-cz]

Reported by @bigfree:

I try, build is success but now there is an error in retrieving data from the DB 😢

redux-persist/getStoredState: Error restoring data [object Object] SyntaxError: Unexpected token o in JSON at position 1
    at JSON.parse (<anonymous>)
    at defaultDeserialize (getStoredState.js:39:1)
    at getStoredState.js:23:1

The data is stored in the database, but when the page is refreshed, it is no longer in the database. However, the structure of the database remains the same.

Store data:

After refresh:

My persist config:

const persistConfig: PersistConfig<any> = {
    key: 'root',
    version: 1,
    storage: createIdbStorage({
        name: 'craedit',
        storeName: 'craeditstore',
        version: 1
    }),
    timeout: 100,
    serialize: false,
    debug: true,
    blacklist: ['point']
};

Originally posted by @bigfree in #14 (comment)

[piotr-cz]

@bigfree
Please try with

• using serialize: false, deserialize: false

  const persistConfig = {
    key: 'root',
    storage: createIdbStorage({name: 'myApp', storeName: 'keyval'}),
    serialize: false,
  +  deserialize: false,
  }

• removing serialize: false option

  const persistConfig = {
    key: 'root',
    storage: createIdbStorage({name: 'myApp', storeName: 'keyval'}),
  -  serialize: false,
  }

and let me know if that fixed the issue.

Explaination:
since redux-persist@6.0.0 the new undocumented deserialize option seem to be have set to same value as serialize.
So both should be set either to false or true.

[bigfree]

@piotr-cz
Cool, looks like it works!
But I had to extend PersistConfig type because it doesn't contain deserialize value..

const persistConfig: PersistConfig<any> & {deserialize: boolean} = {
   ...
}

Explaination:
since redux-persist@6.0.0 the new undocumented deserialize option seem to be have set to same value as serialize.
So both should be set either to false or true.

ah good to know 😄

[piotr-cz]

Did you try with setting both serialize & deserialize option to true and false?
I'd like to document that in README.

Too bad authors didn't document this as IMHO it's a breaking change.

As for types, there are two PR's: rt2zz/redux-persist#1153, rt2zz/redux-persist#1304

[bigfree]

This only works if both values are set to true/false.

serialize: true,
deserialize: true,

serialize: false,
deserialize: false,

if option to serialize is set, of course object is not stored in database, only string.
Thank for your time and solved problem