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17 lines
479 B
JavaScript
17 lines
479 B
JavaScript
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"use strict";
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var iteratorSymbol = require("es6-symbol").iterator;
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module.exports = function () {
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var str = "🙈f", iterator, result;
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if (typeof str[iteratorSymbol] !== "function") return false;
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iterator = str[iteratorSymbol]();
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if (!iterator) return false;
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if (typeof iterator.next !== "function") return false;
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result = iterator.next();
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if (!result) return false;
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if (result.value !== "🙈") return false;
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if (result.done !== false) return false;
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return true;
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};
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