22 lines
No EOL
914 B
TypeScript
22 lines
No EOL
914 B
TypeScript
//#region src/fp/array/xorBy.d.ts
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/**
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* Creates a function that returns the symmetric difference by mapped identity.
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*
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* The mapper is used to decide which values appear in exactly one array, matching the main
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* {@link xorBy} behavior.
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*
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* @template T - The type of elements in the arrays.
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* @template U - The type of comparison keys returned by the mapper.
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* @param secondArray - Values to compare with the piped array.
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* @param mapper - Called for values from both arrays to produce comparison keys.
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* @returns A function that maps a readonly array to its symmetric difference.
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*
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* @example
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* import { pipe, xorBy } from 'es-toolkit/fp';
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*
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* pipe([{ id: 1 }, { id: 2 }], xorBy([{ id: 2 }, { id: 3 }], item => item.id));
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* // => [{ id: 1 }, { id: 3 }]
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*/
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declare function xorBy<T, U>(secondArray: readonly T[], mapper: (item: T) => U): (array: readonly T[]) => T[];
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//#endregion
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export { xorBy }; |