1 | 'use strict';
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2 | var $ = require('../internals/export');
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3 | var toObject = require('../internals/to-object');
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4 | var isPrototypeOf = require('../internals/object-is-prototype-of');
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5 | var getAsyncIteratorFlattenable = require('../internals/get-async-iterator-flattenable');
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6 | var AsyncIteratorPrototype = require('../internals/async-iterator-prototype');
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7 | var WrapAsyncIterator = require('../internals/async-iterator-wrap');
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8 | var IS_PURE = require('../internals/is-pure');
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9 |
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10 |
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11 |
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12 | $({ target: 'AsyncIterator', stat: true, forced: IS_PURE }, {
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13 | from: function from(O) {
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14 | var iteratorRecord = getAsyncIteratorFlattenable(typeof O == 'string' ? toObject(O) : O);
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15 | return isPrototypeOf(AsyncIteratorPrototype, iteratorRecord.iterator)
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16 | ? iteratorRecord.iterator
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17 | : new WrapAsyncIterator(iteratorRecord);
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18 | }
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19 | });
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