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authorKai Stevenson <kai@kaistevenson.com>2025-11-02 18:08:16 -0800
committerKai Stevenson <kai@kaistevenson.com>2025-11-02 18:09:14 -0800
commite9f3c782bc10d4c5c44faf768aa60cd6bcc66574 (patch)
treecb4e447a5ce5deffe989a65ff774e90f0e8ad518 /src/lang/util/string.ts
parentf53622d63c74a1e2dd0397f4a26f31aa72dea60b (diff)
refactor
Diffstat (limited to 'src/lang/util/string.ts')
-rw-r--r--src/lang/util/string.ts17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/lang/util/string.ts b/src/lang/util/string.ts
new file mode 100644
index 0000000..5772f40
--- /dev/null
+++ b/src/lang/util/string.ts
@@ -0,0 +1,17 @@
+export type AddStrings<
+ Strings extends readonly string[],
+ Carry extends string = ""
+> = Strings extends [infer Head extends string, ...infer Tail extends string[]]
+ ? AddStrings<Tail, `${Carry}${Head}`>
+ : Carry;
+
+export type ToString<T, Carry extends string = ""> = T extends string | number
+ ? `${T}`
+ : T extends readonly any[]
+ ? T extends readonly [infer Head, ...infer Tail]
+ ? `${ToString<
+ Tail,
+ `${Carry extends "" ? "" : `${Carry}, `}${ToString<Head>}`
+ >}`
+ : `[${Carry}]`
+ : never;