@storm-stack/utilities
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This package includes various base utility class and various functions to assist in the development process.
23 lines (22 loc) • 833 B
TypeScript
/**
* Returns an array of unique values from the given array.
*
* @param arr - The array to get unique values from.
* @returns An array of unique values.
*/
export declare const getUnique: <T = any>(arr: T[]) => T[];
/**
* Returns a new array containing only the unique elements from the original array,
* based on the values returned by the mapper function.
*
* @example
* ```ts
* uniqBy([1.2, 1.5, 2.1, 3.2, 5.7, 5.3, 7.19], Math.floor);
* // [1.2, 2.1, 3.2, 5.7, 7.19]
* ```
*
* @param arr - The array to process.
* @param mapper - The function used to convert the array elements.
* @returns A new array containing only the unique elements from the original array, based on the values returned by the mapper function.
*/
export declare function getUniqueBy<T, U>(arr: readonly T[], mapper: (item: T) => U): T[];