DEV Community

TypeScript

Optional static type-checking for JavaScript.

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
Master TypeScript Discriminated Unions for Safer Type Narrowing

Master TypeScript Discriminated Unions for Safer Type Narrowing

1
Comments
5 min read
Building Your First MCP Server: TypeScript vs. Python

Building Your First MCP Server: TypeScript vs. Python

3
Comments 1
4 min read
npx i18next-cli instrument

npx i18next-cli instrument

1
Comments
8 min read
I ran 765 controlled experiments to prove AI agents are leaking your data — and built the tool that catches it

I ran 765 controlled experiments to prove AI agents are leaking your data — and built the tool that catches it

1
Comments
3 min read
Your Caching Strategy Is Not a Strategy

Your Caching Strategy Is Not a Strategy

13
Comments
12 min read
Next.js Environment Variables: The Complete Guide to Avoiding Common Mistakes

Next.js Environment Variables: The Complete Guide to Avoiding Common Mistakes

1
Comments 1
4 min read
Binding LINE Bot Users to Your ERP with Phone Number Matching

Binding LINE Bot Users to Your ERP with Phone Number Matching

Comments
3 min read
Next.js Server Actions and Forms: useFormState, Validation Errors, and File Uploads

Next.js Server Actions and Forms: useFormState, Validation Errors, and File Uploads

Comments
4 min read
I Ditched Prisma for Raw SQL (And My Queries Got 10x Faster)

I Ditched Prisma for Raw SQL (And My Queries Got 10x Faster)

10
Comments 2
6 min read
Building a Viral Waitlist With Next.js, Prisma, and Resend (With Referral Tracking)

Building a Viral Waitlist With Next.js, Prisma, and Resend (With Referral Tracking)

Comments 1
4 min read
TypeScript Generics Deep Dive: Constraints, Inference, and Real-World Patterns

TypeScript Generics Deep Dive: Constraints, Inference, and Real-World Patterns

1
Comments
5 min read
Same Instruction File, Same Score, Completely Different Failures

Same Instruction File, Same Score, Completely Different Failures

Comments
4 min read
Next.js Environment Variables: NEXT_PUBLIC_, Server-Only Secrets, and Startup Validation

Next.js Environment Variables: NEXT_PUBLIC_, Server-Only Secrets, and Startup Validation

1
Comments
4 min read
Implementing API Keys for Your SaaS: Generation, Hashing, and Validation in Next.js

Implementing API Keys for Your SaaS: Generation, Hashing, and Validation in Next.js

1
Comments
4 min read
Playwright E2E Testing for Next.js: Auth Setup, Stripe Checkout, and CI Integration

Playwright E2E Testing for Next.js: Auth Setup, Stripe Checkout, and CI Integration

2
Comments
5 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.