Function createTestData

__tests__/base.js:629–638

()

			describe("non-mutating array methods", () => {
				// Test data factory
				const createTestData = () => ({
					items: [
						{id: 1, value: 10, nested: {count: 1}},
						{id: 2, value: 20, nested: {count: 2}},
						{id: 3, value: 30, nested: {count: 3}},
						{id: 4, value: 40, nested: {count: 4}},
						{id: 5, value: 50, nested: {count: 5}}
					],
					other: {data: "test"}
				})

				describe("filter()", () => {
					test("returns new array with filtered items", () => {