payload-is/lib/commonjs/iterator.cjs

A comprehensive TypeScript/JavaScript type checking library providing functions to check data types, collections, primitives, and built-in objects

'use strict';

var _function = require('./function.cjs');
var nil = require('./nil.cjs');
var object = require('./object.cjs');
require('./type.cjs');

function isIterator(payload) {
  return typeof Iterator !== "undefined" && payload instanceof Iterator || typeof Symbol !== "undefined" && !nil.isUndefined(Symbol.iterator) && object.isObject(payload) && _function.isFunction(payload[Symbol.iterator]) && payload[Symbol.iterator]() === payload;
}
function isAsyncIterator(payload) {
  return typeof Symbol !== "undefined" && !nil.isUndefined(Symbol.asyncIterator) && object.isObject(payload) && _function.isFunction(payload[Symbol.asyncIterator]) && payload[Symbol.asyncIterator]() === payload;
}

exports.isAsyncIterator = isAsyncIterator;
exports.isIterator = isIterator;
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