Function resolveIsCollection

packages/melonjs/tests/tmxutils.spec.js:856–858

(flag, imageCount)

	describe("isCollection tileset flag", () => {
		// mirrors the logic: tileset.isCollection ?? imageCollection.length > 0
		function resolveIsCollection(flag, imageCount) {
			return flag ?? imageCount > 0;
		}

		it("should use explicit true flag", () => {
			expect(resolveIsCollection(true, 0)).toEqual(true);