JS: A non-empty ArrayBuffer, BufferView or Buffer is expected.

[kraenhansen]

Goals

Setting a non-optional data property to an empty buffer.

Expected Results & Code Sample

I would expect the following test to pass:

const Realm = require("realm");
const realm = new Realm({
  schema: [{
    name: "Test",
    properties: { blob: 'data?' },
  }],
});

realm.write(() => {
  realm.create("Test", { blob: new ArrayBuffer(0) })
});

Actual Results

This error is thrown:

Error: A non-empty ArrayBuffer, BufferView or Buffer is expected.

Steps to Reproduce

Save the code above as index.js in an empty directory and run

npm init -y && npm install realm && node index.js

Version of Realm and Tooling

• Realm JS SDK Version: 10.1.4
• Node or React Native: Node
• Client OS & Version: v12.20.0