What is the use of the playwright.config.js file?

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The playwright.config.js file is used to configure and customize how Playwright runs your tests. It centralizes settings for test execution, browsers, timeouts, reporters, and more.

Key Uses:

  1. Global Configuration:
    Define settings that apply across all tests—like test directory, timeout, retries, or parallelism.

  2. Browser Settings:
    Configure which browsers to run tests on and their launch options.

  3. Test Environment:
    Set base URLs, headless mode, viewport size, etc.

  4. Reporters:
    Define how test results are reported (e.g., HTML, list, JSON).

  5. Global Setup/Teardown:
    Run scripts before or after the test suite—for example, to log in once and reuse session state.

Summary:

playwright.config.js acts as the central hub for managing Playwright's behavior. It promotes consistency, simplifies test management, and allows for flexible, scalable automation setups.

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