cypress-load-balancer/dist/mjs/src/merge.js

A simple load balancer for Cypress tests.

import merge from "deepmerge";
import utils from "./utils.js";
//eslint-disable-next-line @typescript-eslint/no-explicit-any
const combineMerge = (target, source, options) => {
    const destination = target.slice();
    source.forEach((item, index) => {
        if (typeof destination[index] === "undefined") {
            destination[index] = options?.cloneUnlessOtherwiseSpecified(item, options);
        }
        else if (options?.isMergeableObject(item)) {
            destination[index] = merge(target[index], item, options);
        }
        else if (target.indexOf(item) === -1) {
            destination.push(item);
        }
    });
    return destination;
};
/**
 * Merges load balancing maps back to an original object.
 * This should be executed after parallel jobs finish
 * to collect their results and merge them to the original master file
 * Does not save the original file, so that will need to be done separately.
 * @param orig {LoadBalancingMap}
 * @param extraMaps {LoadBalancingMap[]}
 */
export default function mergeLoadBalancingMapFiles(orig, extraMaps) {
    const mergedFile = merge.all([orig, ...extraMaps], { arrayMerge: combineMerge });
    //TODO: Optimization
    // It would be more efficient to calculate only files with new values.
    // Need to figure out how to determine which files are "new".
    utils.TESTING_TYPES.map((t) => {
        Object.keys(mergedFile[t]).map((f) => utils.updateFileStats(mergedFile, t, f));
    });
    return mergedFile;
}