mapbox-gl/src/util/global_worker_pool.js

A WebGL interactive maps library

// @flow

import WorkerPool from './worker_pool';

let globalWorkerPool;

/**
 * Creates (if necessary) and returns the single, global WorkerPool instance
 * to be shared across each Map
 * @private
 */
export default function getGlobalWorkerPool () {
    if (!globalWorkerPool) {
        globalWorkerPool = new WorkerPool();
    }
    return globalWorkerPool;
}