debian-mirror-gitlab/core-js/internals/call-with-safe-iteration-closing.js

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2019-09-25 13:30:05 +05:30
var anObject = require('../internals/an-object');
// call something on iterator step with safe closing on error
module.exports = function (iterator, fn, value, ENTRIES) {
try {
return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);
// 7.4.6 IteratorClose(iterator, completion)
} catch (error) {
var returnMethod = iterator['return'];
if (returnMethod !== undefined) anObject(returnMethod.call(iterator));
throw error;
}
};