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[BUG] When updating (Model.update), content of a property of type Object is empty in the result

See original GitHub issue

Summary:

When updating (Model.update), content of a property of type Object is empty in the returned object. The object (and the properties of type object) are correctly saved in dynamoose. Only the returned object is not complete.

Code sample:

Schema

export const schema = new dynamoose.Schema({
    id: {
        type: String,
        rangeKey: true
    },
    owner: {
        type: String,
        hashKey: true
    },
    title: {
        type: String
    },
    data: {
        type: Object
    }
}, { saveUnknown: ['data.**'] });

Model

dynamoose.model('alerts', schema);

General

const alert = await Alert.update(
            {
                id: "5aab1049-42e8-46b9-9e8e-55b4fb8acc39",
                owner: "32f96e39-0a9e-48dc-8696-23235e43ed15"
            },
            {
                title: "Test updated",
                data: {
                        "a": "A updated",
                        "b": "B updated"
                }
            });

console.log(alert);

Current output and behavior (including stack trace):

{
    "owner": "32f96e39-0a9e-48dc-8696-23235e43ed15",
    "id": "5aab1049-42e8-46b9-9e8e-55b4fb8acc39",
    "data": {},
    "title": "Test updated"
}

Expected output and behavior:

{
    "owner": "32f96e39-0a9e-48dc-8696-23235e43ed15",
    "id": "5aab1049-42e8-46b9-9e8e-55b4fb8acc39",
    "data": {
        "a": "A updated",
        "b": "B updated"
    }
    "title": "Test updated"
}

Environment:

Operating System: Mac Operating System Version: Big Sur 11.2.3 Node.js version (node -v): v14.16.0 NPM version: (npm -v): 6.14.12 Dynamoose version: 2.7.3

Other information (if applicable):

Other:

I have read through the Dynamoose documentation before posting this issue
I have searched through the GitHub issues (including closed issues) and pull requests to ensure this issue has not already been raised before
I have searched the internet and Stack Overflow to ensure this issue hasn’t been raised or answered before
I have tested the code provided and am confident it doesn’t work as intended
I have filled out all fields above
I am running the latest version of Dynamoose