microsoft/playwright
Mar 2026 – Mar 2026
1 Month active
Languages Used
TypeScript
Technical Skills
TypeScriptfull stack developmenttesting
Mat Stankiewicz
PROFILE
Mat Stankiewicz
Developed an Offline Network State Simulation feature for the microsoft/playwright repository, enabling the browser’s network state to be toggled between online and offline for more realistic offline testing scenarios. The implementation involved creating a new command, integrating dedicated tooling, and developing automated tests to ensure reliable offline behavior across continuous integration environments. Leveraging TypeScript and JavaScript within the Playwright core tooling, the work focused on expanding test coverage for network resilience and reducing flaky failures related to offline conditions. This enhancement improved the reliability of test suites and accelerated release cycles by strengthening offline testing support in real-world scenarios.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
1Total
Bugs
0
Commits
1
Features
1
Lines of code
165
Activity Months1
Your Network
4889 peopleSame Organization
@microsoft.com4819
GitOpsMember
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Abigail HartmanMember
Abram SandersonMember
Adam EttenbergerMember
Adam KrantzMember
Alexandre GattikerMember
Ami HollanderMember
Work History
March 2026
1 Commits • 1 Features
Mar 1, 2026In 2026-03, delivered a new Offline Network State Simulation feature for microsoft/playwright, introducing a command to toggle the browser's network state between online and offline to support realistic offline testing. Added dedicated tooling and automated tests to validate reliability and behavior, ensuring stable offline scenarios across CI runs. The work is captured in commit 6fd3cb4c45cbc4fc4ef2fde36624f91bfc3abd81 (feat(mcp): add network offline state tools) as part of PR #39459. This enhancement expands test coverage for network resilience, reduces flaky offline-related failures, and accelerates feedback in continuous integration. Technologies demonstrated include TypeScript/JavaScript, Playwright core tooling, and automated test development and validation. Business value includes improved reliability of test suites, better preparation for real-world offline conditions, and faster release cycles due to stronger offline testing support.
1 Commits • 1 Features
Mar 1, 2026In 2026-03, delivered a new Offline Network State Simulation feature for microsoft/playwright, introducing a command to toggle the browser's network state between online and offline to support realistic offline testing. Added dedicated tooling and automated tests to validate reliability and behavior, ensuring stable offline scenarios across CI runs. The work is captured in commit 6fd3cb4c45cbc4fc4ef2fde36624f91bfc3abd81 (feat(mcp): add network offline state tools) as part of PR #39459. This enhancement expands test coverage for network resilience, reduces flaky offline-related failures, and accelerates feedback in continuous integration. Technologies demonstrated include TypeScript/JavaScript, Playwright core tooling, and automated test development and validation. Business value includes improved reliability of test suites, better preparation for real-world offline conditions, and faster release cycles due to stronger offline testing support.
March 2026
Activity
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Quality Metrics
Correctness100.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
TypeScript
Technical Skills
TypeScriptfull stack developmenttesting
Repositories Contributed To
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