Implement setPublicClassFields and privateFieldsAsProperties assumptions#12497
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nicolo-ribaudo merged 5 commits intoJan 23, 2021
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JLHwung
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Dec 14, 2020
| // TODO(Babel 8): Remove the default falue | ||
| api = { assumption: () => {} }, | ||
| }) { | ||
| const setPublicClassFields = api.assumption("setPublicClassFields"); |
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This will throw on @babel/core 7.12 + @babel/plugin-class-properties 7.13 because api is defined but api.assumption is not provided.
Never mind, I always forget the fact that api.assumption has been provided by helper plugin utils.
JLHwung
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JLHwung
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The CI failure caught an assumption I didn't notice while writing the RFC. The class B {
method() { alert("B!"); }
}
class C {
method() { alert("C!"); }
}
class A extends B {
run() { super.method(); }
}
Object.setPrototypeOf(A.prototype, C.prototype);
new A().run();For this reason, we compile However, in loose mode we assume that it's never mutated and thus we compile it to I'm going to add this to the RFC. |
JLHwung
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Dec 14, 2020
| path, | ||
| privateNamesMap, | ||
| loose, | ||
| privateFieldsAsProperties, |
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Consider change the signature to { privateFieldsAsProperties: boolean } so we can pass noDocumentAll later. This function is not a public interface so it should be okay.
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- `mutableTemplateObject` and `ignoreToPrimitiveHint` (#12408) - `setClassMethods` (#12407) - `setComputedProperties` (#12490) - `ignoreFunctionLength` (#12491) - `noDocumentAll` (#12481) - `iterableIsArray` and `arrayLikeIsIterable` (#12489) - `pureGetters` (#12504) - `skipForOfIteratorClosing` (#12496) - `objectRestNoSymbols`, `setSpreadProperties` and `pureGetters` (#12505) - `noNewArrows` (#12613, #12793) - `setPublicClassFields` and `privateFieldsAsProperties` (#12497) - `constantReexports` and `enumerableModuleMeta` (#12618) - `constantSuper`, `superIsCallableConstructor` and `noClassCalls` (#12726) Co-authored-by: Justin Ridgewell <justin@ridgewell.name> Co-authored-by: Huáng Jùnliàng <JLHwung@users.noreply.github.com>
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- `mutableTemplateObject` and `ignoreToPrimitiveHint` (#12408) - `setClassMethods` (#12407) - `setComputedProperties` (#12490) - `ignoreFunctionLength` (#12491) - `noDocumentAll` (#12481) - `iterableIsArray` and `arrayLikeIsIterable` (#12489) - `pureGetters` (#12504) - `skipForOfIteratorClosing` (#12496) - `objectRestNoSymbols`, `setSpreadProperties` and `pureGetters` (#12505) - `noNewArrows` (#12613, #12793) - `setPublicClassFields` and `privateFieldsAsProperties` (#12497) - `constantReexports` and `enumerableModuleMeta` (#12618) - `constantSuper`, `superIsCallableConstructor` and `noClassCalls` (#12726) Co-authored-by: Justin Ridgewell <justin@ridgewell.name> Co-authored-by: Huáng Jùnliàng <JLHwung@users.noreply.github.com>
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- `mutableTemplateObject` and `ignoreToPrimitiveHint` (#12408) - `setClassMethods` (#12407) - `setComputedProperties` (#12490) - `ignoreFunctionLength` (#12491) - `noDocumentAll` (#12481) - `iterableIsArray` and `arrayLikeIsIterable` (#12489) - `pureGetters` (#12504) - `skipForOfIteratorClosing` (#12496) - `objectRestNoSymbols`, `setSpreadProperties` and `pureGetters` (#12505) - `noNewArrows` (#12613, #12793) - `setPublicClassFields` and `privateFieldsAsProperties` (#12497) - `constantReexports` and `enumerableModuleMeta` (#12618) - `constantSuper`, `superIsCallableConstructor` and `noClassCalls` (#12726) Co-authored-by: Justin Ridgewell <justin@ridgewell.name> Co-authored-by: Huáng Jùnliàng <JLHwung@users.noreply.github.com>
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Main PR: #12219
RFC: babel/rfcs#5
I also introduced a warning when both
looseandsetPublicClassFields/privateFieldsAsPropertiesare set (while still maintianing the fallback behavior we have for the other assumptions).This is because
loosesupport for these class features plugins is a mess and easily breaks: it was what initially lead me to theassumptionsRFC. We should encourage users to fully migrate toassumptionsfor these plugins when they start using them, to avoid other possible configuration conflicts caused by the implicit dependencies between them.The tests are what we already had for
loose.