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Caret topic (pipe operator) #13749

merged 6 commits into from Oct 28, 2021

Caret topic (pipe operator) #13749

merged 6 commits into from Oct 28, 2021


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@js-choi js-choi commented Sep 11, 2021

Q                       A
Fixed Issues? No
Patch: Bug Fix? No
Major: Breaking Change? No
Minor: New Feature? Yes
Tests Added + Pass? Yes
Documentation PR Link babel/website#2575
Any Dependency Changes? No
License MIT

Adds option for "topicToken": "^" to the Hack pipe operator to match the current proposal. See tc39/proposal-pipeline-operator#91 (comment).

(This also fixes babel-generator only supporting "topicToken": "#" and not "topicToken": "%".)

CC @nicolo-ribaudo, @JLHwung, @tabatkins, @mAAdhaTTah, @jamiebuilds.

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js-choi added a commit to tc39/proposal-pipeline-operator that referenced this issue Oct 16, 2021
As per #91 (comment), I think my [change of the spec from `%` to `^`](#91 (comment)) was premature, partially because I now mildly prefer `%` again, but mostly because it’s what we presented to plenary on August and because it’s what Babel currently supports (see babel/babel#13749).

This is a tentative change and has no bearing on what the actual final topic token will be. It’s just a swap to the explainer and spec back to what we presented to the Committee plenary on August.

This will be almost certainly be the last time I switch the topic token until we hold our TC39 incubator sessions for bikeshedding the token in early November.
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@JLHwung JLHwung merged commit ad59a2c into babel:main Oct 28, 2021
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4 participants