@zfunction/genetics-js/lib/selection/replacement/BaseReplacement.js

Genetic and evolutionary algorithms framework for the web

"use strict";
/*
 * @license
 * Copyright (c) 2019 Cristian Abrante. All rights reserved.
 * Licensed under the MIT License. See LICENSE in the project root for license information.
 */
Object.defineProperty(exports, "__esModule", { value: true });
var Population_1 = require("../../population/Population");
var BaseReplacement = /** @class */ (function () {
    function BaseReplacement() {
    }
    BaseReplacement.prototype.replace = function (oldPopulation, newPopulation, params) {
        var returnPopulation = new Population_1.Population();
        oldPopulation
            .getPopulationItems()
            .concat(newPopulation.getPopulationItems())
            .sort(this.sortMethod)
            .slice(0, params.selectionCount)
            .forEach(function (item) {
            returnPopulation.pushIndividual(item.individual, item.fitness, item.age + 1);
        });
        return returnPopulation;
    };
    BaseReplacement.prototype.pushIndividual = function (population, item) {
        population.pushIndividual(item.individual, item.fitness, item.age + 1);
    };
    return BaseReplacement;
}());
exports.BaseReplacement = BaseReplacement;
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