#migration

1 post tagged with "migration"

Apr 14, 2026

12 min read

Migrating a 400-File Playwright Test Suite from JavaScript to TypeScript: A Battle-Tested Strategy

How we systematically migrated 400+ Playwright test files from JavaScript to TypeScript without breaking anything — tackling 6,260 type errors, API helpers, and strict mode challenges.

#typescript #playwright #testing+4 more

2261 words

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