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TypeScript fundamentals critical

TypeScript Strict Mode

TypeScript strict mode configuration with additional strictness options for maximum type safety in production applications.

Difficulty
intermediate
Read time
1 min read
Version
v1.0.0
Confidence
established
Last updated

Quick Reference

TypeScript Strict: Enable strict: true plus noUncheckedIndexedAccess, exactOptionalPropertyTypes, noPropertyAccessFromIndexSignature. Use unknown over any. Validate external data with Zod. No non-null assertions (!) in production code.

Use When

  • Configuring new TypeScript projects
  • Migrating to strict mode
  • Maximizing type safety
  • Working with external data

Skip When

  • Quick prototypes
  • Legacy codebases without resources to migrate

TypeScript Strict Mode

TypeScript strict mode configuration with additional strictness options for maximum type safety in production applications.

Tags

typescript strict configuration type-safety

Discussion