TypeScript Puzzles

TypeScript is the most popular JavaScript alternative.

• 23. implement LengthOfTuple<T>TypeScripteasy94% accepted
• 31. implement Push<T, I>TypeScripteasy90% accepted
• 3. implement Readonly<T>TypeScripteasy85% accepted
• 29. implement Shift<T>TypeScripteasy85% accepted
• 9. implement NonNullable<T>TypeScripteasy82% accepted
• 18. implement TupleToUnion<T>TypeScripteasy82% accepted
• 52. implement Split<S, D>TypeScripteasy79% accepted
• 25. implement UnwrapPromise<T>TypeScripteasy79% accepted
• 8. implement Extract<T, U>TypeScripteasy78% accepted
• 40. implement UnionToIntersection<T>TypeScripteasy75% accepted
• 39. implement ToNumber<T>TypeScripteasy75% accepted
• 21. implement LastItem<T>TypeScripteasy74% accepted
• 38. implement Add<A, B>TypeScripteasy73% accepted
• 55. implement StringToNumber<S>TypeScripteasy73% accepted
• 14. implement ThisParameterType<T>TypeScripteasy72% accepted
• 26. implement ReverseTuple<T>TypeScripteasy72% accepted
• 12. implement ReturnType<T>TypeScripteasy70% accepted
• 13. implement InstanceType<T>TypeScripteasy69% accepted
• 36. implement LargerThan<A, B>TypeScripteasy69% accepted
• 51. implement Capitalize<T>TypeScripteasy69% accepted
• 53. Implement SnakeCase<S>TypeScripteasy68% accepted
• 15. implement OmitThisParameter<T>TypeScripteasy68% accepted
• 1. implement Partial<T>TypeScripteasy67% accepted
• 34. implement Repeat<T, C>TypeScripteasy66% accepted
• 54. Implement CamelCase<S>TypeScripteasy65% accepted
• 47. implement Multiply<A, B>TypeScripteasy64% accepted
• 59. implement MapStringUnionToObjectUnion<U>TypeScripteasy62% accepted
• 16. implement FirstChar<T>TypeScripteasy62% accepted
• 7. implement Exclude<T, E>TypeScripteasy61% accepted
• 19. implement FirstItem<T>TypeScripteasy61% accepted
• 42. implement Equal<A, B>TypeScripteasy61% accepted
• 43. implement Trim<T>TypeScripteasy61% accepted
• 27. implement Flat<T>TypeScripteasy60% accepted
• 49. asserts neverTypeScripteasy60% accepted
• 32. implement RepeatString<T, C>TypeScripteasy60% accepted
• 45. implement Slice<A, S, E>TypeScripteasy60% accepted
• 33. implement TupleToString<T>TypeScripteasy59% accepted
• 10. implement Parameters<T>TypeScripteasy58% accepted
• 46. implement Subtract<A, B>TypeScripteasy58% accepted
• 22. implement StringToTuple<T>TypeScripteasy57% accepted
• 61. implement Prefix<T, P>TypeScripteasy56% accepted
• 5. implement Pick<T, K>TypeScripteasy56% accepted
• 2. implement Required<T>TypeScripteasy56% accepted
• 57. implement ObjectPaths<O>TypeScripteasy56% accepted
• 58. implement Diff<A, B>TypeScripteasy54% accepted
• 11. implement ConstructorParameters<T>TypeScripteasy54% accepted
• 37. implement SmallerThan<A, B>TypeScripteasy52% accepted
• 50. implement Sort<T>TypeScripteasy51% accepted
• 24. implement LengthOfString<T>TypeScripteasy50% accepted
• 56. implement Abs<N>TypeScripteasy47% accepted
• 17. implement LastChar<T>TypeScripteasy46% accepted
• 4. implement Record<K, V>TypeScripteasy46% accepted
• 48. implement Divide<A, B>TypeScripteasy45% accepted
• 20: implement IsNever<T>TypeScripteasy44% accepted
• 60. implement UndefinedToNull<T>TypeScripteasy41% accepted
• 30. implement IsAny<T>TypeScripteasy41% accepted
• 35. implement Filter<T, A>TypeScripteasy38% accepted
• 62. implement Unique<T extends any[]>TypeScripteasy36% accepted
• 44. implement ReplaceAll<S, F, T>TypeScripteasy36% accepted
• 6. implement Omit<T, K>TypeScripteasy34% accepted
• 41. implement FindIndex<T, E>TypeScripteasy32% accepted
• 28. implement IsEmptyType<T>TypeScripteasy32% accepted