@snipsonian/core/es/array/verification/hasArrayUniqueValues.js

Core/base reusable javascript code snippets

import isString from '../../is/isString';
export default function hasArrayUniqueValues(arr, options = {}) {
    const { itemMapper = (item) => item, ignoreCase = true, } = options;
    const enhancedItemMapper = ignoreCase
        ? (item) => {
            const temp = itemMapper(item);
            return isString(temp) ? temp.toLowerCase() : temp;
        }
        : itemMapper;
    return arr.length === new Set(arr.map(enhancedItemMapper)).size;
}