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TypeScript

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Exercises (100)

○Type Guard — isString
Beginner
○Type Guard — isNumber
Beginner
○Type Guard — isBoolean
Beginner
○Type Guard — isArray
Beginner
○Type Guard — isObject
Beginner
○Type Guard — isNullOrUndefined
Beginner
○Type Guard — hasProperty
Intermediate
○Type Guard — isStringArray
Intermediate
○Type Guard — isInstance
Intermediate
○Type Guard — assertNonNull
Intermediate
○Type Guard — isPositiveNumber
Intermediate
○Type Guard — isNonEmptyString
Beginner
○Type Guard — discriminated union
Intermediate
○Type Guard — parseJSON
Intermediate
○Type Guard — exhaustiveCheck
Advanced
○Type Guard — isOneOf
Intermediate
○Type Guard — isTuple
Advanced
○Type Guard — narrowUnion
Advanced
○Type Guard — safe access
Beginner
○Type Guard — validate schema
Intermediate
○Interface — createUser
Beginner
○Interface — Optional Properties
Beginner
○Interface — Readonly Properties
Beginner
○Interface — Index Signature
Beginner
○Interface — Discriminated Union
Intermediate
○Interface — Extends
Beginner
○Interface — Intersection Types
Intermediate
○Interface — Union Type Parser
Intermediate
○Interface — Function Type
Beginner
○Interface — Recursive Type
Intermediate
○Interface — with Method
Beginner
○Interface — Tuple Type
Beginner
○Interface — Opaque/Brand Type
Intermediate
○Interface — Readonly Array
Beginner
○Interface — Optional Chaining Display Name
Intermediate
○Interface — Structural Typing Guard
Intermediate
○Interface — Implement a Stack
Intermediate
○Interface — Function as Argument
Beginner
○Interface — Exhaustive Switch
Intermediate
○Interface — Generic Container
Advanced
○Generics — identity<T>
Beginner
○Generics — head<T>
Beginner
○Generics — tail<T>
Beginner
○Generics — last<T>
Beginner
○Generics — nth<T>
Beginner
○Generics — swap<T, U>
Beginner
○Generics — pick<T, K>
Intermediate
○Generics — getLength<T extends {length}>
Intermediate
○Generics — Generic Stack Class
Intermediate
○Generics — Generic Queue Class
Intermediate
○Generics — zip<T, U>
Intermediate
○Generics — unique<T>
Beginner
○Generics — mapValues<T, U>
Intermediate
○Generics — filter<T>
Beginner
○Generics — reduce<T, U>
Intermediate
○Generics — chunk<T>
Intermediate
○Generics — flatten<T>
Beginner
○Generics — partition<T>
Intermediate
○Generics — groupBy<T>
Intermediate
○Generics — pipe<T>
Advanced
○Utility Types — Partial<T>
Beginner
○Utility Types — Pick<T, K>
Intermediate
○Utility Types — Omit<T, K>
Intermediate
○Utility Types — Readonly<T>
Beginner
○Utility Types — Record<K, V>
Beginner
○Utility Types — Required<T>
Intermediate
○Utility Types — NonNullable<T>
Beginner
○Utility Types — keyof Operator
Beginner
○Utility Types — typeof + ReturnType<T>
Beginner
○Utility Types — transformRecord<T, U>
Intermediate
○Utility Types — hasAllKeys<T>
Intermediate
○Utility Types — Object.fromEntries
Beginner
○Utility Types — deepMerge
Advanced
○Utility Types — pluck<T>
Intermediate
○Utility Types — invertRecord
Intermediate
○Utility Types — keyValuePairs
Beginner
○Utility Types — withDefaults
Intermediate
○Utility Types — pickByPredicate
Intermediate
○Utility Types — mapKeys
Intermediate
○Utility Types — countBy
Intermediate
○Advanced — deepFreeze
Advanced
○Advanced — filterNullish
Intermediate
○Advanced — flatMap<T, U>
Intermediate
○Advanced — flattenDeep
Advanced
○Advanced — mapObject
Intermediate
○Advanced — invertObject
Intermediate
○Advanced — deepEqual
Advanced
○Advanced — toCamelCase
Intermediate
○Advanced — toSnakeCase
Intermediate
○Advanced — zipWith<T, U, R>
Intermediate
○Advanced — splitEvery<T>
Intermediate
○Advanced — transpose<T>
Advanced
○Advanced — cartesianProduct
Advanced
○Advanced — interleave<T>
Intermediate
○Advanced — countOccurrences
Beginner
○Advanced — rotateLeft
Intermediate
○Advanced — windowed
Intermediate
○Advanced — groupByMultiple
Advanced
○Advanced — memoize
Advanced
○Advanced — curry
Advanced