baseClaudeReactWebtemplate/jest.setup.js at master · lucasps136/baseClaudeReactWebtemplate · GitHub

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// jest.setup.js
import "@testing-library/jest-dom";

// Mock window.matchMedia
Object.defineProperty(window, "matchMedia", {
  writable: true,
  value: jest.fn().mockImplementation((query) => ({
    matches: false,
    media: query,
    onchange: null,
    addListener: jest.fn(), // deprecated
    removeListener: jest.fn(), // deprecated
    addEventListener: jest.fn(),
    removeEventListener: jest.fn(),
    dispatchEvent: jest.fn(),
  })),
});

// Mock IntersectionObserver
global.IntersectionObserver = class IntersectionObserver {
  constructor() {}
  disconnect() {}
  observe() {}
  takeRecords() {
    return [];
  }
  unobserve() {}
};

// Mock ResizeObserver
global.ResizeObserver = class ResizeObserver {
  constructor() {}
  disconnect() {}
  observe() {}
  unobserve() {}
};

// Mock crypto.randomUUID for Node environments
if (!global.crypto) {
  global.crypto = {};
}
if (!global.crypto.randomUUID) {
  global.crypto.randomUUID = () => {
    return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, (c) => {
      const r = (Math.random() * 16) | 0;
      const v = c === "x" ? r : (r & 0x3) | 0x8;
      return v.toString(16);
    });
  };
}

// Suppress console errors in tests (optional)
// Uncomment if needed:
// const originalError = console.error
// beforeAll(() => {
//   console.error = (...args) => {
//     if (
//       typeof args[0] === 'string' &&
//       args[0].includes('Warning: ReactDOM.render')
//     ) {
//       return
//     }
//     originalError.call(console, ...args)
//   }
// })
//
// afterAll(() => {
//   console.error = originalError
// })