From 56040f3ff85e77311f0c864a89afd63fcf1bdb50 Mon Sep 17 00:00:00 2001 From: Kai Stevenson Date: Mon, 3 Nov 2025 23:40:02 -0800 Subject: add js-lang, refactor some ts-lang stuff --- src/ts-lang/util/index.ts | 3 +++ src/ts-lang/util/number.ts | 37 +++++++++++++++++++++++++++++++++++++ src/ts-lang/util/string.ts | 17 +++++++++++++++++ src/ts-lang/util/utils.ts | 8 ++++++++ 4 files changed, 65 insertions(+) create mode 100644 src/ts-lang/util/index.ts create mode 100644 src/ts-lang/util/number.ts create mode 100644 src/ts-lang/util/string.ts create mode 100644 src/ts-lang/util/utils.ts (limited to 'src/ts-lang/util') diff --git a/src/ts-lang/util/index.ts b/src/ts-lang/util/index.ts new file mode 100644 index 0000000..00a3e54 --- /dev/null +++ b/src/ts-lang/util/index.ts @@ -0,0 +1,3 @@ +export * from "./number"; +export * from "./utils"; +export * from "./string"; diff --git a/src/ts-lang/util/number.ts b/src/ts-lang/util/number.ts new file mode 100644 index 0000000..6e4e360 --- /dev/null +++ b/src/ts-lang/util/number.ts @@ -0,0 +1,37 @@ +export type NumberToArray< + Number extends number, + Carry extends readonly any[] = [] +> = Number extends Carry["length"] + ? Carry + : NumberToArray; + +export type NumbersToArray< + Numbers extends readonly number[], + Carry extends readonly any[] = [] +> = Numbers extends [ + infer Head extends number, + ...infer Tail extends readonly number[] +] + ? NumbersToArray]> + : Carry; + +export type AddNumbers = + NumbersToArray extends infer T extends readonly any[] + ? T["length"] + : never; + +export type MultiplyInner< + N extends number, + MS extends readonly any[], + Carry extends number = 0 +> = MS extends [infer Head extends number, ...infer Tail extends readonly any[]] + ? MultiplyInner> + : Carry; + +export type Multiply = MultiplyInner< + M, + NumberToArray +>; + +export type ExtractNumber = + T extends `${infer Inner extends number}` ? Inner : never; diff --git a/src/ts-lang/util/string.ts b/src/ts-lang/util/string.ts new file mode 100644 index 0000000..5772f40 --- /dev/null +++ b/src/ts-lang/util/string.ts @@ -0,0 +1,17 @@ +export type AddStrings< + Strings extends readonly string[], + Carry extends string = "" +> = Strings extends [infer Head extends string, ...infer Tail extends string[]] + ? AddStrings + : Carry; + +export type ToString = T extends string | number + ? `${T}` + : T extends readonly any[] + ? T extends readonly [infer Head, ...infer Tail] + ? `${ToString< + Tail, + `${Carry extends "" ? "" : `${Carry}, `}${ToString}` + >}` + : `[${Carry}]` + : never; diff --git a/src/ts-lang/util/utils.ts b/src/ts-lang/util/utils.ts new file mode 100644 index 0000000..ac36ca1 --- /dev/null +++ b/src/ts-lang/util/utils.ts @@ -0,0 +1,8 @@ +export type UnarrayIfOnlyHead = T extends [ + infer Head, + infer Next +] + ? T + : T extends [infer Head] + ? Head + : T; -- cgit v1.2.3-70-g09d2