quantitivecalc/dist/DictOfListsUtils/applyFunction.js

A TypeScript library providing advanced quantitative finance functions for risk analysis, performance metrics, and technical indicators. (Currently in development)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = applyFunction;
/**
 * Applies a provided function to each array value in a dictionary and returns a new dictionary
 * with the same keys and the results of the function as values.
 *
 * @template T - The type of elements in the input arrays.
 * @template R - The type of the result returned by the function.
 * @param dict - A dictionary where each value is an array of type T.
 * @param func - A function that takes an array of type T and returns a value of type R.
 * @returns A new dictionary with the same keys as `dict`, where each value is the result of applying `func` to the corresponding array.
 */
function applyFunction(dict, func) {
    const result = {};
    for (const [key, list] of Object.entries(dict)) {
        result[key] = func(list);
    }
    return result;
}