Installing cypress for nextJS 14.0.0

January 1, 2023 Avishka Devinda

Next.js 14 introduces exciting features, and incorporating Cypress for end-to-end testing can ensure the robustness of your application. Follow these steps to set up Cypress seamlessly with Next.js 14.0.0.

Installing Cypress

Begin by adding Cypress to your project. In your terminal, execute the following command:

Copy code
pnpm add --save-dev cypress

Be patient; the installation process might take some time.

Step 2: Update Package.json Scripts

Open your package.json file and update the scripts section to include the Cypress open command:

// package.json
{
  "scripts": {
    "cypress:open": "cypress open"
  }
}

Save the file.

Step 3: Run Cypress

Execute the following command to open Cypress:

pnpm run cypress:open

A new window will appear. Follow the on-screen steps, and when prompted, choose "P2P testing."

Handling Configuration Errors

If you encounter an error related to your cypress.config.ts file, where TypeScript throws a TypeError with an unknown file extension, follow these steps:

Update tsconfig.json Open your tsconfig.json file and make the following adjustments:

// tsconfig.json
{
  "strict": false,
  "moduleResolution": "node"
}

Save the file.

Now, rerun the Cypress open command:

pnpm run cypress:open

Your Cypress setup should now work without any issues.

By following these steps, you've successfully integrated Cypress for end-to-end testing in Next.js 14.0.0. Utilize the power of Cypress to ensure the reliability and functionality of your application. Happy testing!