iter-tools-es/impls/is-async-loopable/is-async-loopable.js

The iterable toolbox

const {
  notUndefined
} = require('../not-undefined/not-undefined.js');

function isAsyncLoopable(value) {
  return value != null && (notUndefined(value[Symbol.asyncIterator]) || notUndefined(value[Symbol.iterator]));
}

exports.isAsyncLoopable = isAsyncLoopable;