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Serialize the map objects properly in the Redux dev tools #46282

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Dec 6, 2022
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12 changes: 12 additions & 0 deletions packages/data/src/redux-store/index.js
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,15 @@ const trimUndefinedValues = ( array ) => {
return result;
};

// Convert Map objects to plain objects
const mapToObject = ( key, state ) => {
if ( state instanceof Map ) {
return Object.fromEntries( state );
}

return state;
};

/**
* Create a cache to track whether resolvers started running or not.
*
Expand Down Expand Up @@ -256,6 +265,9 @@ function instantiateReduxStore( key, options, registry, thunkArgs ) {
window.__REDUX_DEVTOOLS_EXTENSION__( {
name: key,
instanceId: key,
serialize: {
replacer: mapToObject,
},
} )
);
}
Expand Down