We Migrated 70,000 Tests From Jest to Vitest—Yes, in 2 Months, by (not found or attributed):
Webdev Blog | Nothing ElseWe migrated 70,000 tests from Jest to Vitest. Yes, in 2 months.Jest ran 70,000 tests at 13 tests/sec with constant OOMs on CI. Here I explain how we migrated Miro's frontend monorepo to Vitest in 2 months with AI agents, achieving 50% faster runs and 30% less memory usage.