@async-af/findindex (npm): standalone AsyncAF package: findIndexAF (https://async-af.js.org/AsyncAF#findIndexAF)
Keywords: AsyncAF|async-af|async|await|async/await|Promise|Promises|library|array|method|methods|parallel|series|serial|map|forEach|reduce|filter|every|some|includes|find|findIndex|indexOf|lastIndexOf|join|split|asyncaf|etc|findindex|foreach|indexof