df4e06385a
Initial setup of project dependencies including axios, express, dotenv, and other supporting packages. Added configuration files and documentation for project setup and usage.
65 lines
2.2 KiB
TypeScript
65 lines
2.2 KiB
TypeScript
type RemoveFromTuple<
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Tuple extends readonly unknown[],
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RemoveCount extends number,
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Index extends 1[] = []
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> = Index["length"] extends RemoveCount
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? Tuple
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: Tuple extends [infer First, ...infer Rest]
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? RemoveFromTuple<Rest, RemoveCount, [...Index, 1]>
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: Tuple;
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type ConcatTuples<
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Prefix extends readonly unknown[],
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Suffix extends readonly unknown[]
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> = [...Prefix, ...Suffix];
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type ExtractFunctionParams<T> = T extends (this: infer TThis, ...args: infer P extends readonly unknown[]) => infer R
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? { thisArg: TThis; params: P; returnType: R }
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: never;
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type BindFunction<
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T extends (this: any, ...args: any[]) => any,
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TThis,
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TBoundArgs extends readonly unknown[],
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ReceiverBound extends boolean
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> = ExtractFunctionParams<T> extends {
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thisArg: infer OrigThis;
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params: infer P extends readonly unknown[];
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returnType: infer R;
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}
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? ReceiverBound extends true
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? (...args: RemoveFromTuple<P, Extract<TBoundArgs["length"], number>>) => R extends [OrigThis, ...infer Rest]
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? [TThis, ...Rest] // Replace `this` with `thisArg`
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: R
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: <U, RemainingArgs extends RemoveFromTuple<P, Extract<TBoundArgs["length"], number>>>(
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thisArg: U,
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...args: RemainingArgs
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) => R extends [OrigThis, ...infer Rest]
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? [U, ...ConcatTuples<TBoundArgs, Rest>] // Preserve bound args in return type
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: R
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: never;
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declare function callBind<
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const T extends (this: any, ...args: any[]) => any,
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Extracted extends ExtractFunctionParams<T>,
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const TBoundArgs extends Partial<Extracted["params"]> & readonly unknown[],
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const TThis extends Extracted["thisArg"]
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>(
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args: [fn: T, thisArg: TThis, ...boundArgs: TBoundArgs]
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): BindFunction<T, TThis, TBoundArgs, true>;
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declare function callBind<
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const T extends (this: any, ...args: any[]) => any,
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Extracted extends ExtractFunctionParams<T>,
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const TBoundArgs extends Partial<Extracted["params"]> & readonly unknown[]
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>(
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args: [fn: T, ...boundArgs: TBoundArgs]
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): BindFunction<T, Extracted["thisArg"], TBoundArgs, false>;
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declare function callBind<const TArgs extends readonly unknown[]>(
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args: [fn: Exclude<TArgs[0], Function>, ...rest: TArgs]
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): never;
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// export as namespace callBind;
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export = callBind;
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