27 lines
916 B
JavaScript
27 lines
916 B
JavaScript
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//#region src/array/uniqWith.ts
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/**
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* Returns a new array containing only the unique elements from the original array,
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* based on the values returned by the comparator function.
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*
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* @template T - The type of elements in the array.
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* @param {T[]} arr - The array to process.
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* @param {(item1: T, item2: T) => boolean} areItemsEqual - The function used to compare the array elements.
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* @returns {T[]} A new array containing only the unique elements from the original array, based on the values returned by the comparator function.
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*
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* @example
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* ```ts
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* uniqWith([1.2, 1.5, 2.1, 3.2, 5.7, 5.3, 7.19], (a, b) => Math.abs(a - b) < 1);
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* // [1.2, 3.2, 5.7, 7.19]
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* ```
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*/
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function uniqWith(arr, areItemsEqual) {
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const result = [];
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for (let i = 0; i < arr.length; i++) {
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const item = arr[i];
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if (result.every((v) => !areItemsEqual(v, item))) result.push(item);
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}
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return result;
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}
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//#endregion
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export { uniqWith };
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