Practical Solutions
Real-world examples with multiple solution options for every error
See this and it'll be solved right away
The Error Handbook for All TypeScript Developers
Why tsbook?
Section titled “Why tsbook?”Quick Reference
Find and fix TypeScript errors fast with clear explanations
Open Source
Community-driven documentation, contributions welcome
Comprehensive
Covers all common TypeScript errors with practical examples
Popular Errors
Section titled “Popular Errors”TS2322: Type 'string | undefined' not assignable
Learn how to handle optional values safely
TS2532: Object is possibly 'undefined'
Master optional chaining and type narrowing
TS2339: Property does not exist on type
Fix interface and type definition issues
TS2307: Cannot find module
Resolve import and module resolution errors
Categories
Section titled “Categories”Null & Undefined
Common errors with nullable values
Type Assignment
Type compatibility issues
Property Access
Object and property errors
Function Calls
Function signature mismatches
Async & Promises
Asynchronous code errors
Classes
Class-related errors
Generics
Generic type constraints
Modules
Import and module errors
Strict Mode
Strict compiler options