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//// [ramdaToolsNoInfinite.ts]
// All the following types are explained here:
// https://medium.freecodecamp.org/typescript-curry-ramda-types-f747e99744ab
// https://github.com/pirix-gh/medium/blob/master/types-curry-ramda/src/index.ts
declare namespace Tools {
type Head<T extends any[]> =
T extends [any, ...any[]]
? T[0]
: never;
type Tail<T extends any[]> =
((...t: T) => any) extends ((_: any, ...tail: infer TT) => any)
? TT
: [];
type HasTail<T extends any[]> =
T extends ([] | [any])
? false
: true;
type Last<T extends any[]> = {
0: Last<Tail<T>>;
1: Head<T>;
}[
HasTail<T> extends true
? 0
: 1
];
type Length<T extends any[]> =
T['length'];
type Prepend<E, T extends any[]> =
((head: E, ...args: T) => any) extends ((...args: infer U) => any)
? U
: T;
type Drop<N extends number, T extends any[], I extends any[] = []> = {
0: Drop<N, Tail<T>, Prepend<any, I>>;
1: T;
}[
Length<I> extends N
? 1
: 0
];
type Cast<X, Y> = X extends Y ? X : Y;
type Pos<I extends any[]> =
Length<I>;
type Next<I extends any[]> =
Prepend<any, I>;
type Prev<I extends any[]> =
Tail<I>;
type Iterator<Index extends number = 0, From extends any[] = [], I extends any[] = []> = {
0: Iterator<Index, Next<From>, Next<I>>;
1: From;
}[
Pos<I> extends Index
? 1
: 0
];
type Reverse<T extends any[], R extends any[] = [], I extends any[] = []> = {
0: Reverse<T, Prepend<T[Pos<I>], R>, Next<I>>;
1: R;
}[
Pos<I> extends Length<T>
? 1
: 0
];
type Concat<T1 extends any[], T2 extends any[]> =
Reverse<Reverse<T1> extends infer R ? Cast<R, any[]> : never, T2>;
type Append<E, T extends any[]> =
Concat<T, [E]>;
type ValueOfRecord<R> = R extends Record<any, infer T> ? T : never;
}
declare namespace R {
export type Placeholder = { __placeholder: void };
}
declare namespace Curry {
type GapOf<T1 extends any[], T2 extends any[], TN extends any[], I extends any[]> =
T1[Tools.Pos<I>] extends R.Placeholder
? Tools.Append<T2[Tools.Pos<I>], TN>
: TN;
interface GapsOfWorker<T1 extends any[], T2 extends any[], TN extends any[] = [], I extends any[] = []> {
0: GapsOf<T1, T2, GapOf<T1, T2, TN, I> extends infer G ? Tools.Cast<G, any[]> : never, Tools.Next<I>>;
1: Tools.Concat<TN, Tools.Drop<Tools.Pos<I>, T2> extends infer D ? Tools.Cast<D, any[]> : never>;
}
type GapsOf<T1 extends any[], T2 extends any[], TN extends any[] = [], I extends any[] = []> = GapsOfWorker<T1, T2, TN, I>[
Tools.Pos<I> extends Tools.Length<T1>
? 1
: 0
];
type PartialGaps<T extends any[]> = {
[K in keyof T]?: T[K] | R.Placeholder
};
type CleanedGaps<T extends any[]> = {
[K in keyof T]: NonNullable<T[K]>
};
type Gaps<T extends any[]> = CleanedGaps<PartialGaps<T>>;
type Curry<F extends ((...args: any) => any)> =
<T extends any[]>(...args: Tools.Cast<Tools.Cast<T, Gaps<Parameters<F>>>, any[]>) =>
GapsOf<T, Parameters<F>> extends [any, ...any[]]
? Curry<(...args: GapsOf<T, Parameters<F>> extends infer G ? Tools.Cast<G, any[]> : never) => ReturnType<F>>
: ReturnType<F>;
}
//// [ramdaToolsNoInfinite.js]
|
