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https://github.com/type-challenges/type-challenges/blob/main/questions/00003-medium-omit/README.md type-challenges/questions/00003-medium-omit/README.md at main · type-challenges/type-challengesCollection of TypeScript type challenges with online judge - type-challenges/type-challengesgithub.com TypeScript에서 지원하는 Utility Type인 Omit을 직접 구현해보는 문제였다.해당 문제를 구현하면서 헷갈렸던 부분을 정리하려고 한다. Omit에 대한 자세한 설명을 ..

문제 https://github.com/type-challenges/type-challenges/blob/main/questions/00003-medium-omit/README.md type-challenges/questions/00003-medium-omit/README.md at main · type-challenges/type-challenges Collection of TypeScript type challenges with online judge - type-challenges/type-challenges github.com 풀이 type MyOmit = { [U in keyof T as U extends K ? never : U]: T[U] } /* _____________ 테스트 케이스 __..

문제 https://github.com/iamkanguk97/type-challenges/blob/main/questions/00189-easy-awaited/README.md 풀이 type MyAwaited = T extends PromiseLike ? R extends PromiseLike ? MyAwaited : R : never; /* _____________ 테스트 케이스 _____________ */ import type { Equal, Expect } from '@type-challenges/utils' type X = Promise type Y = Promise type Z = Promise type Z1 = Promise type T = { then: (onfulfilled: (arg: ..

문제 https://github.com/type-challenges/type-challenges/blob/main/questions/00014-easy-first/README.md type arr1 = ['a', 'b', 'c'] type arr2 = [3, 2, 1] type head1 = First // expected to be 'a' type head2 = First // expected to be 3 Expect, Expect 123>>, Expect, Expect, 풀이 // S1 type First = T extends [] ? never : T[0]; // S2 type First = T["length"] extends 0 ? never : T[0]; // S3 type First = T ..

문제 https://github.com/type-challenges/type-challenges/blob/main/questions/00011-easy-tuple-to-object/README.ko.md const tuple = ['tesla', 'model 3', 'model X', 'model Y'] as const; type result = TupleToObject // expected { tesla: 'tesla', 'model 3': 'model 3', 'model X': 'model X', 'model Y': 'model Y'} 풀이 type TupleToObject = { [V in T[number]]: V } How to Solve? T extends readonly any[]: any 타..