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node_modules/core-js/modules/esnext.async-iterator.from.js

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+'use strict';
+var $ = require('../internals/export');
+var toObject = require('../internals/to-object');
+var isPrototypeOf = require('../internals/object-is-prototype-of');
+var getAsyncIteratorFlattenable = require('../internals/get-async-iterator-flattenable');
+var AsyncIteratorPrototype = require('../internals/async-iterator-prototype');
+var WrapAsyncIterator = require('../internals/async-iterator-wrap');
+var IS_PURE = require('../internals/is-pure');
+
+// `AsyncIterator.from` method
+// https://github.com/tc39/proposal-async-iterator-helpers
+$({ target: 'AsyncIterator', stat: true, forced: IS_PURE }, {
+  from: function from(O) {
+    var iteratorRecord = getAsyncIteratorFlattenable(typeof O == 'string' ? toObject(O) : O);
+    return isPrototypeOf(AsyncIteratorPrototype, iteratorRecord.iterator)
+      ? iteratorRecord.iterator
+      : new WrapAsyncIterator(iteratorRecord);
+  }
+});