is-palindrome.ts

@@ -1,32 +0,0 @@
-import type { Equal, Expect } from '@type-challenges/utils'
-
-type casesPalindrome = [
-  Expect<Equal<IsPalindrome<'abc'>, false>>,
-  Expect<Equal<IsPalindrome<'b'>, true>>,
-  Expect<Equal<IsPalindrome<'abca'>, false>>,
-  Expect<Equal<IsPalindrome<'abcba'>, true>>,
-  Expect<Equal<IsPalindrome<121>, true>>,
-  Expect<Equal<IsPalindrome<19260817>, false>>,
-]
-
-type CheckPalindrome<
-    T extends string[]
-> = 
-T extends [infer First, ...infer Mid, infer Last]
-    ? First extends Last
-        ? Mid extends string[] ? CheckPalindrome<Mid> : never
-        : false
-    : true
-;
-
-type ToArr<T extends string> = T extends `${infer Head}${infer Tail}` ? [Head, ...ToArr<Tail>] : [];
-
-type IsPalindrome<
-    T extends string | number
-> = 
-T extends number
-    ? IsPalindrome<`${T}`>
-: T extends string
-    ? CheckPalindrome<ToArr<T>>
-: never
-

string-to-number.ts

@@ -1,31 +0,0 @@
-import type { Equal, Expect } from '@type-challenges/utils'
-
-type cases = [
-  Expect<Equal<ToNumber<'0'>, 0>>,
-  Expect<Equal<ToNumber<'5'>, 5>>,
-  Expect<Equal<ToNumber<'12'>, 12>>,
-  Expect<Equal<ToNumber<'27'>, 27>>,
-  Expect<Equal<ToNumber<'18@7_$%'>, never>>,
-]
-
-type Digit = '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9';
-
-type IsNumber<
-  S extends string,
-> =
-S extends `${Digit}${infer Tail}`
-  ? IsNumber<Tail>
-  : S extends ''
-    ? true
-    : false
-;
-
-type ToNumber<
-  S extends string,
-  Acc extends 1[] = []
-> =
-IsNumber<S> extends true
-  ? `${Acc['length']}` extends S
-    ? Acc['length']
-    : ToNumber<S, [...Acc, 1]>
-  : never