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12 lines
403 B
JavaScript
12 lines
403 B
JavaScript
// call something on iterator step with safe closing on error
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var anObject = require('./_an-object');
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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(e){
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var ret = iterator['return'];
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if(ret !== undefined)anObject(ret.call(iterator));
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throw e;
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}
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}; |