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Pact-JS is a library that allows you to implement Consumer Driven Contracts using the Pact framework in JavaScript. It is particularly useful for testing interactions between front-end and back-end services.

You can find the source code and more details about Pact-JS at the following link:

• Pact-JS GitHub Repository

For detailed usage and documentation, refer to the Pact-JS Documentation.

To install Pact-JS, use npm:

npm install @pact-foundation/pact

Here is a basic example of how to use Pact-JS:

const { Pact } = require('@pact-foundation/pact');
const path = require('path');

const provider = new Pact({
  consumer: 'ConsumerName',
  provider: 'ProviderName',
  port: 1234,
  log: path.resolve(process.cwd(), 'logs', 'pact.log'),
  dir: path.resolve(process.cwd(), 'pacts'),
  logLevel: 'INFO',
});

provider.setup()
  .then(() => {
    // Your test code here
  })
  .finally(() => provider.finalize());