@naturalcycles/js-lib/dist/promise/pFilter.js

Standard library for universal (browser + Node.js) javascript

export async function pFilter(iterable, filterFn) {
    const items = [...iterable];
    const predicates = await Promise.all(items.map((item, i) => filterFn(item, i)));
    return items.filter((_item, i) => predicates[i]);
}