+++ /dev/null
-var global = require('../internals/global');
-var shared = require('../internals/shared-store');
-var getPrototypeOf = require('../internals/object-get-prototype-of');
-var has = require('../internals/has');
-var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
-var wellKnownSymbol = require('../internals/well-known-symbol');
-var IS_PURE = require('../internals/is-pure');
-
-var USE_FUNCTION_CONSTRUCTOR = 'USE_FUNCTION_CONSTRUCTOR';
-var ASYNC_ITERATOR = wellKnownSymbol('asyncIterator');
-var AsyncIterator = global.AsyncIterator;
-var PassedAsyncIteratorPrototype = shared.AsyncIteratorPrototype;
-var AsyncIteratorPrototype, prototype;
-
-if (!IS_PURE) {
- if (PassedAsyncIteratorPrototype) {
- AsyncIteratorPrototype = PassedAsyncIteratorPrototype;
- } else if (typeof AsyncIterator == 'function') {
- AsyncIteratorPrototype = AsyncIterator.prototype;
- } else if (shared[USE_FUNCTION_CONSTRUCTOR] || global[USE_FUNCTION_CONSTRUCTOR]) {
- try {
- // eslint-disable-next-line no-new-func
- prototype = getPrototypeOf(getPrototypeOf(getPrototypeOf(Function('return async function*(){}()')())));
- if (getPrototypeOf(prototype) === Object.prototype) AsyncIteratorPrototype = prototype;
- } catch (error) { /* empty */ }
- }
-}
-
-if (!AsyncIteratorPrototype) AsyncIteratorPrototype = {};
-
-if (!has(AsyncIteratorPrototype, ASYNC_ITERATOR)) {
- createNonEnumerableProperty(AsyncIteratorPrototype, ASYNC_ITERATOR, function () {
- return this;
- });
-}
-
-module.exports = AsyncIteratorPrototype;