@beenotung/tslib/parallel-run.js

utils library in Typescript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parallel_run = parallel_run;
// to batch process async operation in parallel, e.g. downloading files
async function parallel_run(xs, f, n_partition) {
    async function run_partition(offset) {
        for (let i = offset; i < xs.length; i += n_partition) {
            await f(xs[i]);
        }
    }
    const ps = [];
    for (let i = 0; i < n_partition; i++) {
        ps.push(run_partition(i));
    }
    await Promise.all(ps);
}