diginext-utils/esm/array/union.js

README.md

/**
 * Creates an array of unique values from all given arrays.
 *
 * @template T - The type of elements in the arrays
 * @param arrays - Arrays to combine
 * @returns A new array with all unique values from all arrays
 *
 * @example
 * ```ts
 * union([1, 2], [2, 3], [3, 4]); // [1, 2, 3, 4]
 * union(['a'], ['b'], ['a', 'c']); // ['a', 'b', 'c']
 * ```
 */
export function union(...arrays) {
    if (!arrays || arrays.length === 0) {
        return [];
    }
    return Array.from(new Set(arrays.flat()));
}
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