diginext-utils/dist/array/unique.d.ts

README.md

/**
 * Creates an array of unique values from one or more arrays.
 * If a key is provided, uniqueness is determined by that property.
 *
 * @template T - The type of elements in the arrays
 * @param arrays - One or more arrays to combine and make unique
 * @param key - Optional key to determine uniqueness for objects
 * @returns A new array with unique values
 *
 * @example
 * ```ts
 * unique([1, 2, 2, 3, 3, 4]); // [1, 2, 3, 4]
 * unique([1, 2], [2, 3], [3, 4]); // [1, 2, 3, 4]
 * unique([{ id: 1 }, { id: 1 }, { id: 2 }], 'id'); // [{ id: 1 }, { id: 2 }]
 * ```
 */
export declare function unique<T>(arrays: T[] | T[][], key?: keyof T): T[];
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