Artem Yavorsky b2b3d7944a Spec compatibility for iteratorClose condition. (#6094)
* for-of: IteratorClose spec compatibility.

See #3:
https://tc39.github.io/ecma262/#sec-iteratorclose

* Update spec fixtures for for-of.

* Fix IteratorClose case for remap-async-to-generator.

* Fix IteratorClose case for async-generator-function test output.

* Modify few tests according to iteratorClose fix.

* Fix iteratorClose for helpers.slicedToArray also.

* Update iteratorClose fixture for commonjs.
2017-08-28 13:39:02 -06:00

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JavaScript

import _getIterator from "babel-runtime/core-js/get-iterator";
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = _getIterator(arr), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var i = _step.value;
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator.return != null) {
_iterator.return();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}