playwright-webext Simplifies Testing Browser Extensions in Playwright

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A DEV Community post introduces playwright-webext, a project designed to make testing browser extensions easier than with Playwright alone. Playwright's official guide covers launching a browser with an extension and locating its service worker, but extension-specific setup such as storage, popups, and version upgrades still requires custom fixtures and helpers. The author demonstrates the library using a simple todo-list extension that stores tasks in chrome.storage.local. The tutorial walks through installation and configuration, then shows three example tests covering installation behavior, popup interaction, and migration between extension versions.

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How to Inventory Every Third-Party Origin a Page Contacts, and Four Pitfalls to Avoid

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

Why Developers Should Investigate Ideas Before Building Them

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