// jest-dom adds custom jest matchers for asserting on DOM nodes. // allows you to do things like: // expect(element).toHaveTextContent(/react/i) // learn more: https://github.com/testing-library/jest-dom import '@testing-library/jest-dom'; /** * The structuredClone global function is not available in jsdom, it needs to be mocked for now. * * The most naive way to mock structuredClone is to use JSON.stringify and JSON.parse. This works * for arguments with simple types like primitives, arrays and objects, but doesn't work with functions, * Map, Set, etc. */ global.structuredClone = (val) => { return JSON.parse(JSON.stringify(val)); };