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Implemented a fix to initializers+class-properties

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This commit is contained in:
Miel Truyen 2019-11-11 11:33:32 +01:00
parent 8e5f2dc929
commit c8c6ff7c4c
3 changed files with 24 additions and 10 deletions
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3
Makefile
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@ -191,6 +191,9 @@ new-version:
git pull --rebase
yarn lerna version --force-publish="@babel/runtime,@babel/runtime-corejs2,@babel/runtime-corejs3,@babel/standalone,@babel/preset-env-standalone"
publish-cerxes:
yarn lerna publish from-package --registry npm.cerxes.net --no-git-tag-version --no-push --no-git-reset --allow-branch initializer-fix --no-verify-access
# NOTE: Run make new-version first
publish: prepublish
yarn lerna publish from-git

7
README.md
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@ -4,10 +4,17 @@
</a>
</p>
<p align="center">
<span style="color:darkred">
<b><i>WARNING</i> This is a fork of babel to test a fix for initializer-variables with class-properties (proposals-stuff)</b>
</span>
</p>
<p align="center">
The compiler for writing next generation JavaScript.
</p>
<p align="center">
<a href="https://www.npmjs.com/package/@babel/core"><img alt="v7 npm Downloads" src="https://img.shields.io/npm/dm/@babel/core.svg?maxAge=43200&label=v7%20downloads"></a>
<a href="https://www.npmjs.com/package/babel-core"><img alt="v6 npm Downloads" src="https://img.shields.io/npm/dm/babel-core.svg?maxAge=43200&label=v6%20downloads"></a>

22
packages/babel-helpers/src/helpers.js
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@ -1053,16 +1053,20 @@ helpers.initializerWarningHelper = helper("7.0.0-beta.0")`
* Add a helper to call as a replacement for class property definition.
*/
helpers.initializerDefineProperty = helper("7.0.0-beta.0")`
export default function _initializerDefineProperty(target, property, descriptor, context){
if (!descriptor) return;
export default function _initializerDefineProperty(target, property, descriptor, context) {
if (!descriptor) return;
Object.defineProperty(target, property, {
enumerable: descriptor.enumerable,
configurable: descriptor.configurable,
writable: descriptor.writable,
value: descriptor.initializer ? descriptor.initializer.call(context) : void 0,
});
}
if(descriptor.initializer){
if(descriptor.set){
descriptor.set.call(context, descriptor.initializer.call(context));
}else{
descriptor.value = descriptor.initializer.call(context);
}
delete descriptor.initializer;
}
Object.defineProperty(target, property, descriptor);
}
`;
/**