sf-package-combiner/lib/utils/mapLimit.js

Merge multiple Salesforce package.xml manifests into a single file for Salesforce CLI deployments.

'use strict';
/**
 * Process an array concurrently with a maximum concurrency limit.
 * Drop-in replacement for the `async` package's `mapLimit`.
 *
 * @param items     - Items to process
 * @param limit     - Max number of concurrent tasks
 * @param iteratee  - Async function to run for each item
 */
export async function mapLimit(items, limit, iteratee) {
    const concurrency = Math.max(1, limit);
    const queue = items.slice();
    const workers = Array.from({ length: Math.min(concurrency, queue.length) }, async () => {
        while (queue.length > 0) {
            const item = queue.shift();
            // eslint-disable-next-line no-await-in-loop
            await iteratee(item);
        }
    });
    await Promise.all(workers);
}
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