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Support for --target ES2018 #20463
Description
As TC39 gets ready to finalize ES2018, we should allow pass through for some transformation now only enabled under --target ESNext, here is the list:
Disable transforms for:
- Rest/Spread Properties
- async generators/
for await ... of
We also need some new lib definitions:
- Promise finally (feat(es2018): add definition for Promise.prototype.finally #20411)
The support for --target ES2018 was added in #20385
Reacted by phiresky, Cédric Belin, kolya182, Francis Gulotta, ulrichb, Alexandru Cristu, Laurentiu Soica, Trotyl Yu, wolfy1339, Vadim Ovchinnikov and 1 more
Activity
mhegazy commentedon Dec 5, 2017
// CC: Brian Terlson (@bterlson)
mhegazy commentedon Dec 5, 2017
// CC: benbraou (@benbraou)
bterlson commentedon Dec 5, 2017
Just keep in mind that until a proposal shows up here it's not on the train for 2018.
dinoboff commentedon Feb 19, 2018
Promise.prototype.finally, rest/spread properties and async iterable made it. Optional catch binding didn't.
8 remaining items
mhegazy commentedon May 29, 2018
here is the PR that added ES2017 target, you can use it as a reference: #11407
Kingwl commentedon Jun 6, 2018
and another feature: #23801 could(maybe) split too
wolfy1339 commentedon Feb 4, 2019
Now that ES2019 is around the corner, it would be a good time for this to be worked on, heck someone made a PR for ES2019 already.