What is the best way to define a list of floating point numbers in Realm for JavaScript?

Recently, I experimented with a schema using realm-js library that included the following properties:

  • floatArray: {type:'list', objectType:'float'}

However, I encountered an error message stating "Schema validation failed... Target type 'float' doesn't exist for property..."

Is there a workaround or specific method to define an array of floats in this context?

Answer №1

objectType must be an object you have defined, not a primitive type. To my knowledge, Realm does not currently allow lists of primitive types. Check out this issue for more information on this restriction.

Instead, you should encapsulate your floats within a custom Object type. Here is an example...

class MyObj {}
MyObj.schema = {
  name: 'MyObj',
  properties: {
    myFloat:  'float',
  }
};

class MyListOfObjWithFloatProperty {}
MyListOfObjWithFloatProperty.schema = {
  properties: { floatArray: {type:'list', objectType:'MyObj'} }
  ...
};

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