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13 lines
456 B
13 lines
456 B
var anObject = require('../internals/an-object');
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// call something on iterator step with safe closing on error
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module.exports = function (iterator, fn, value, ENTRIES) {
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try {
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return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);
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// 7.4.6 IteratorClose(iterator, completion)
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} catch (error) {
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var returnMethod = iterator['return'];
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if (returnMethod !== undefined) anObject(returnMethod.call(iterator));
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throw error;
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}
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};
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