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| author | Kai Stevenson <kai@kaistevenson.com> | 2025-11-05 01:20:07 -0800 |
|---|---|---|
| committer | Kai Stevenson <kai@kaistevenson.com> | 2025-11-06 20:28:00 -0800 |
| commit | d8a969e231135978c4dd1fa67559101f506ad6f3 (patch) | |
| tree | 7a556db33abe541fa3f5902690ca93d782c0ecc7 /src/lang/ts-lang/util/utils.ts | |
| parent | e86c68dffaffee6ba44d98ba06761245f6d5b670 (diff) | |
recursion works for types with depth limit 5
Diffstat (limited to 'src/lang/ts-lang/util/utils.ts')
| -rw-r--r-- | src/lang/ts-lang/util/utils.ts | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/lang/ts-lang/util/utils.ts b/src/lang/ts-lang/util/utils.ts index ac36ca1..d6d46f7 100644 --- a/src/lang/ts-lang/util/utils.ts +++ b/src/lang/ts-lang/util/utils.ts @@ -6,3 +6,17 @@ export type UnarrayIfOnlyHead<T extends readonly any[]> = T extends [ : T extends [infer Head] ? Head : T; + +type ARR_EQUAL_SENTINEL = { __arrEq: true }; +export type ArrayEqual< + T extends readonly any[], + Last = ARR_EQUAL_SENTINEL +> = T extends [infer Head, ...infer Tail] + ? Last extends ARR_EQUAL_SENTINEL + ? ArrayEqual<Tail, Head> + : Head extends Last + ? Last extends Head + ? ArrayEqual<Tail, Head> + : false + : false + : true; |