delphirtl/dist/arrayutils.js

RTL functions from Delphi

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.haveNoDuplicates = haveNoDuplicates;
exports.dedupArray = dedupArray;
exports.maxLen = maxLen;
exports.sort = sort;
/**
 * Deduplicates the given array
 * @param values An array containing duplicated elements
 * @returns The given array, but without duplicates
 * @category Arrays
 */
function dedupArray(values) {
    const result = Array.from(new Set(values));
    return result;
}
/**
 * Gets the length of the longest string in the given values array.
 *
 * @param {string[]} values
 * @returns {number} The length of the longest string in the given values array.
 * @category Arrays
 */
function maxLen(values) {
    let result = 0;
    for (const value of values) {
        if (value.length > result) {
            result = value.length;
        }
    }
    return result;
}
/**
 * Sorts the given values array and returns it
 *
 * @param {string[]} values
 * @param {boolean} [ascending=true]
 * @returns {string[]} The sorted values array, in a new array.
 * @category Arrays
 */
function sort(values, ascending = true) {
    let result = [...values];
    if (ascending) {
        result.sort((a, b) => a.localeCompare(b)); // descending order
    }
    else {
        result.sort((a, b) => b.localeCompare(a)); // descending order
    }
    return result;
}
/**
 * Compare all elements of arr1 and arr2 and ensure they have no duplicates
 * @param arr1
 * @param arr2
 * @param key
 * @returns true if there's duplicates, false otherwise
 * @category Arrays
 */
function haveNoDuplicates(arr1, arr2, key) {
    if ((arr1.length === 0) && (arr2.length === 0)) {
        return true;
    }
    return arr1.every(item1 => !arr2.some(item2 => item1[key] === item2[key]));
}
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