[babel 8] Other Babel 8 misc changes #15576
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JLHwung
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Apr 19, 2023
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So the breaking changes of this PR are:
- Stop supporting presets/plugins with named exports, essentially reverting Resolve presets with named exports correctly #4620
- Per package renames, the
includesandexcludespreset-envoptions will now only respect new plugin names
Other changes like removing the compat code for legacy helpers are not actually breaking. Did I miss any breaking changes?
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@JLHwung That's correct 👍 All the other changes are just internal changes. |
JLHwung
approved these changes
Apr 24, 2023
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| function escape(code: number) { | ||
| let str = code.toString(16); | ||
| // Sigh, node 6 doesn't have padStart | ||
| // TODO: Remove in Babel 8, when we drop node 6. | ||
| while (str.length < 4) str = "0" + str; | ||
| return "\\u" + str; | ||
| if (process.env.BABEL_8_BREAKING) { | ||
| return "\\u" + code.toString(16); | ||
| } else { | ||
| let str = code.toString(16); | ||
| // Sigh, node 6 doesn't have padStart | ||
| // TODO: Remove in Babel 8, when we drop node 6. | ||
| while (str.length < 4) str = "0" + str; | ||
| return "\\u" + str; | ||
| } | ||
| } |
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I think I've made a mistake, but it seems the tests don't cover it.
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PR: Breaking Change 💥
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These are almost all the remaining
TODO(Babel 8)comments :)What remains to do (in other PRs):
2023-05#15570noNewArrowassumption to default tofalse(I now think we shouldn't if they are still compiled by our default targets)babel/packages/babel-traverse/src/path/introspection.ts
Line 337 in fe42965