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

Other tech terms

Hire me as a freelance Typescript developer.