Clean all always enabled parser plugins#16572
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liuxingbaoyu
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Jun 12, 2024
liuxingbaoyu
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| Q | A |
|---|---|
| Fixed Issues? | Ref: #16456 |
| Patch: Bug Fix? | |
| Major: Breaking Change? | |
| Minor: New Feature? | |
| Tests Added + Pass? | Yes |
| Documentation PR Link | |
| Any Dependency Changes? | |
| License | MIT |
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Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/57655 |
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The CI error is good, the associated PR has been opened. |
|
Merged, please rerun. |
Gulpfile.mjs
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| ) | ||
| ); | ||
| if (bool(process.env.BABEL_8_BREAKING)) { | ||
| tasks.push( |
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Why only for Babel 8? We already publish this file for Babel 7 too, as far as I know.
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In this PR we removed some plugins, which seems to be a breaking change for TS users.
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Removing the .d.ts file completely is also a breaking change, right?
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No, it just can't be generated automatically anymore. :)
The ones we edited manually are still there.
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Right, but the one we publish is the auto-generated one: https://yarnpkg.com/package?q=%40babel%2Fparser&name=%40babel%2Fparser&file=%2Ftypings%2Fbabel-parser.d.ts
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Yes, it will become manually maintained after this PR.
Given that we are planning to release Babel 8, this seems acceptable.
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@liuxingbaoyu I pushed a few commits to keep the auto-generation also for Babel 7, toggling between Babel 7 and Babel 8. What do you think about it? The CI failure is unrelated and also happens on |
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PR: Internal (next major) 🏠
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@nicolo-ribaudo This looks great, thanks! |
| transform: code => | ||
| code.replace( | ||
| /type BABEL_8_BREAKING\s*=\s*boolean/g, | ||
| `type BABEL_8_BREAKING = ${bool(process.env.BABEL_8_BREAKING) ?? false}` |
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The ?? false here seems to never be run?
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bool can return undefined. While it's ok usually, in this case undefined was included in the generated code.
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