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es-toolkit

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A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.

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/** * Creates an array of unique values that are included in all given arrays, using a comparator function for equality comparisons. * * @template T, U * @param {ArrayLike<T> | null | undefined} array - The array to inspect. * @param {ArrayLike<U>} values - The values to compare. * @param {(a: T, b: T | U) => boolean} comparator - The comparator invoked per element. * @returns {T[]} Returns the new array of intersecting values. * * @example * const objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; * const others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; * intersectionWith(objects, others, (a, b) => a.x === b.x && a.y === b.y); * // => [{ 'x': 1, 'y': 2 }] */ declare function intersectionWith<T, U>(array: ArrayLike<T> | null | undefined, values: ArrayLike<U>, comparator: (a: T, b: T | U) => boolean): T[]; /** * Creates an array of unique values that are included in all given arrays, using a comparator function for equality comparisons. * * @template T, U, V * @param {ArrayLike<T> | null | undefined} array - The array to inspect. * @param {ArrayLike<U>} values1 - The first values to compare. * @param {ArrayLike<V>} values2 - The second values to compare. * @param {(a: T, b: T | U | V) => boolean} comparator - The comparator invoked per element. * @returns {T[]} Returns the new array of intersecting values. * * @example * const objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; * const others1 = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; * const others2 = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }]; * intersectionWith(objects, others1, others2, (a, b) => a.x === b.x && a.y === b.y); * // => [{ 'x': 1, 'y': 2 }] */ declare function intersectionWith<T, U, V>(array: ArrayLike<T> | null | undefined, values1: ArrayLike<U>, values2: ArrayLike<V>, comparator: (a: T, b: T | U | V) => boolean): T[]; /** * Creates an array of unique values that are included in all given arrays, using a comparator function for equality comparisons. * * @template T, U, V, W * @param {ArrayLike<T> | null | undefined} array - The array to inspect. * @param {ArrayLike<U>} values1 - The first values to compare. * @param {ArrayLike<V>} values2 - The second values to compare. * @param {...Array<ArrayLike<W> | (a: T, b: T | U | V | W) => boolean>} values - The other arrays to compare, and the comparator to use. * @returns {T[]} Returns the new array of intersecting values. * * @example * const objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; * const others1 = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; * const others2 = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }]; * const others3 = [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]; * intersectionWith(objects, others1, others2, others3, (a, b) => a.x === b.x && a.y === b.y); * // => [{ 'x': 1, 'y': 2 }] */ declare function intersectionWith<T, U, V, W>(array: ArrayLike<T> | null | undefined, values1: ArrayLike<U>, values2: ArrayLike<V>, ...values: Array<ArrayLike<W> | ((a: T, b: T | U | V | W) => boolean)>): T[]; /** * Creates an array of unique values that are included in all given arrays. * * @template T * @param {ArrayLike<T> | null} [array] - The array to inspect. * @param {...Array<ArrayLike<T> | (a: T, b: never) => boolean>} values - The values to compare. * @returns {T[]} Returns the new array of intersecting values. * * @example * intersectionWith([2, 1], [2, 3]); * // => [2] */ declare function intersectionWith<T>(array?: ArrayLike<T> | null, ...values: Array<ArrayLike<T> | ((a: T, b: never) => boolean)>): T[]; export { intersectionWith };