Courses / Frontend Testing
15. CI: TypeScript type-check + Jest tests
Recommended CI steps to run tsc --noEmit and Jest tests, plus caching suggestions.
JavaScript
CI: TypeScript type-check + Jest tests
Run TypeScript's type checker and your test suite in CI to catch type and behavior errors before merge.
"I want PRs to fail fast on type mistakes or broken tests without running slow installs every time."
In CI, run tsc --noEmit to verify type correctness and then run Jest for unit tests; cache node_modules, Jest cache, and TypeScript build outputs to speed repeated runs.
"I want PRs to fail fast on type mistakes or broken tests without running slow installs every time."
In CI, run tsc --noEmit to verify type correctness and then run Jest for unit tests; cache node_modules, Jest cache, and TypeScript build outputs to speed repeated runs.