Tech: Typescript

Things I've worked on with Typescript

• @kensio/yulin npm package
• @kensio/smartass npm package
• Fanalysis
• HOA Mailers
• Doozy
• Hyperobjekt
• Bulb
• Freetrade

Posts I've written mentioning Typescript

1. Testing AWS SSM SecureString parameter reads locally with Yulin
2. Testing AWS S3 presigned URLs on localhost with Yulin
3. Controlling time inside a simulated AWS Lambda handler with Yulin
4. Expiring a temporary AWS session by advancing simulated time with Yulin
5. Debugging an AWS Lambda handler function deployed via simulated CloudFormation
6. Catching stale dist files in an npm tarball before publishing
7. Simulating AWS IAM authorization of S3 calls locally with Yulin
8. Reading the entries of a zip file in Node with node:zlib
9. Bash script to dump a TypeScript project into flat directory
10. Testing and debugging CloudFront Functions deployed via simulated CloudFormation
11. Simulating AWS CDK bucket deployment on localhost with Yulin
12. Simulating CloudFront Functions on localhost with Yulin
13. Overlap-preserving type refinement assertion signatures in TypeScript
14. Combining TypeScript assertion signatures and function overloads
15. Composable type narrowing test assertion matchers in TypeScript
16. Preventing type errors in TypeScript test files with tsc -p --noEmit
17. Simulating an S3 static website on localhost with Yulin
18. AWS CloudFront Functions JS2 tooling: ESLint, Vitest, IDE
19. Bash script to run CDK synth only if there are changed TS files
20. eslint changed TypeScript files only
21. AWS CDK to deny release of Elastic IP in Organization SCP
22. AWS CDK for EC2 bastion host sharing Elastic IP with rest of VPC
23. Simple example of a floating point precision error for monetary amounts
24. Explicit types are a better habit than type inference
25. My Jest mock cheatsheet for TypeScript
26. TypeScript branded string type utility for type safety
27. ESLint custom rules are useful
28. Jest mock error "ReferenceError Cannot access before initialization"
29. A simple, readable, meaningful test style with Jest
30. Easy typed test mocks with Jest and TypeScript
31. Flexible test model factories in TypeScript
32. Make a deep object delta diff in TypeScript
33. Enumerating all object paths in TypeScript
34. Easier interface segregation in TypeScript (even better than Go!)
35. Be careful with truthy promises in TypeScript
36. (Cross-post) Serverless integration testing at Freetrade
37. Promise batch progress meter in TypeScript
38. Island counting algorithm in Typescript
39. Avoid deriving state from props in React
40. TypeScript recursive power function
41. Straightforward recursive number-to-words algorithm in TypeScript
42. TypeScript recursive factorial function
43. TypeScript recursive power function

Other tech terms

Hire me as a freelance Typescript developer.