* Add support for helpers dependencies.
They are used like this:
helpers.main = defineHelper(`
import dep from "dependency";
export default function main() { return dependency; }
`);
helpers.dependency = defineHelper(`ì
export default function dep() { return 0; }
`);
* Clone import references
* Don't make test helpers name depend on the order the tests are run
* 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.
The for-in loop in helpers.defineEnumerableProperties doesn't iterate over Symbols.
If Object.getOwnPropertySymbols exists, include the discovered values when defining properties.
* Create "babel-helper-wrap-function"
It contains the logic to wrap a function inside a call expression.
It was part of the "babel-helper-remap-async-to-generator" package, but
it is needed to transpile "function.sent"
* Create "babel-transform-function-sent"
It transforms the "function.sent" meta property by replacing it with
"yield" and making the generator ignore the first ".next()" call.
* "function.sent" is the last value passed to .next(), not the first one
* Disable exec tests on old node
* Fix flow error
* Add "transform-function-sent" to "stage-2" preset
* Do every trasformation in one traversal
* Test for "yield function.sent"
* [skip ci]
* Fix some typos [skip ci]
