iter-tools-es/impls/not-async-loopable/not-async-loopable.js

The iterable toolbox

const {
  isUndefined
} = require('../is-undefined/is-undefined.js');

function notAsyncLoopable(value) {
  return value == null || isUndefined(value[Symbol.asyncIterator]) && isUndefined(value[Symbol.iterator]);
}

exports.notAsyncLoopable = notAsyncLoopable;