logitar-js/dist/helpers/arrayUtils.js

Helper functions distributed by Logitar.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.orderByDescending = exports.orderBy = void 0;
function compare(a, b, weight) {
    if (typeof a === "undefined" || a === null || typeof b === "undefined" || b === null) {
        if ((a !== null && a !== void 0 ? a : null) === null && (b !== null && b !== void 0 ? b : null) !== null) {
            return -weight;
        }
        else if ((a !== null && a !== void 0 ? a : null) !== null && (b !== null && b !== void 0 ? b : null) === null) {
            return weight;
        }
        return 0;
    }
    return a < b ? -weight : a > b ? weight : 0;
}
/**
 * Sorts the specified array.
 * @param items The array to sort.
 * @param key If provided, the key used to sort an array of objects.
 * @param isDescending A value indicating whether or not the sort is reversed (descending).
 * @returns A shallow copy of the sorted array.
 */
function orderBy(items, key, isDescending) {
    const weight = isDescending ? -1 : 1;
    if (key) {
        return [...items].sort((a, b) => compare(a[key], b[key], weight));
    }
    return [...items].sort((a, b) => compare(a, b, weight));
}
exports.orderBy = orderBy;
/**
 * Reverse-sorts the specified array.
 * @param items The array to sort.
 * @param key If provided, the key used to sort an array of objects.
 * @returns A shallow copy of the sorted array.
 */
function orderByDescending(items, key) {
    return orderBy(items, key, true);
}
exports.orderByDescending = orderByDescending;