Using Object.defineProperty on prototypes causes the tests to fail to build

[FutureAstroMiner]

Using Object.defineProperty like:

Object.defineProperty(Creep.prototype, 'boosts', {
	get() {
		if (!this._boosts) {
			this._boosts = _.compact(_.unique(_.map(this.body as BodyPartDefinition[], bodyPart => bodyPart.boost)));
		}
		return this._boosts;
	},
	configurable: true,
});

and importing this into the main file causes the test to fail to build with a reference error
ReferenceError: Creep is not defined

[FutureAstroMiner]

I have been looking around for a solution to this issue but I can't find one.

The alternative is to use Jest as this issue seams to have been fixed by eduter in screeps-typescript-jest-starter but integration tests are not available.

Should Object.defineProperty be done in a different way?

[madrang]

Try again with

enumerable: false,