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Implement the "decorator metadata" proposal #15895

Merged
merged 5 commits into from Sep 25, 2023
Merged

Implement the "decorator metadata" proposal #15895

merged 5 commits into from Sep 25, 2023

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nicolo-ribaudo
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@nicolo-ribaudo nicolo-ribaudo commented Aug 25, 2023 •
edited by JLHwung

Q                       A
Fixed Issues? Fixes #15889
Patch: Bug Fix?
Major: Breaking Change?
Minor: New Feature? Y
Tests Added + Pass? Yes
Documentation PR Link
Any Dependency Changes?
License MIT

This PR implements the decorator metadata proposal, that is now at Stage 3.

Given that:

  • both this proposal and the main decorators one are at stage 3
  • this is a very small addition to the other
  • the implementation is very much mixed
  • it's impossible to transpile metadata without transpiling the main proposal

I opted to just implement this as part of the decorators plugin. Does this sound like an ok choice? @pzuraq Do you know if browsers plan to implement them together?

Try it out

@nicolo-ribaudo nicolo-ribaudo added PR: New Feature 🚀 A type of pull request used for our changelog categories Spec: Decorators labels Aug 25, 2023
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babel-bot commented Aug 25, 2023 •
edited

Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/55504/

@JLHwung
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JLHwung commented Aug 25, 2023

Another reason to couple metadata with the decorator plugin: There aren't any browsers implementing decorators without metadata, so transpiling metadata only is not a reasonable use case for preset-env.

@justinfagnani
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Implementing this as part of the decorators plugin will be much better for users.

@nicolo-ribaudo nicolo-ribaudo added this to the v7.23.0 milestone Aug 28, 2023
JLHwung
JLHwung approved these changes Aug 30, 2023
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The transform looks good to me generally. Awesome work!

A meta question: Do we want to bump decorator plugin versions? The metadata is a big feature update and the applyDecs2305 interface is therefore augmented. If we don't bump the version, we will have to carefully handle the scenarios such as mixing old helper with new transform, or new helper with old transform.

packages/babel-plugin-proposal-decorators/src/transformer-2023-05.ts Outdated
@@ -1080,6 +1080,7 @@ function transformClass(
t.arrayExpression(classDecorations),
t.numericLiteral(classDecorationsFlag),
needsInstancePrivateBrandCheck ? lastInstancePrivateName : null,
t.cloneNode(originalClass.superClass),
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We may need memoizing the super class as it could contain arbitrary expression

@dec class C extends class { [i++] } {}

@nicolo-ribaudo
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A meta question: Do we want to bump decorator plugin versions? The metadata is a big feature update and the applyDecs2305 interface is therefore augmented. If we don't bump the version, we will have to carefully handle the scenarios such as mixing old helper with new transform, or new helper with old transform.

We would still have to handle such scenarios, in case of an old @babel/core+@babel/helpers version that does not know about the updated plugin.

The advantage of bumping the version is that we would be more aggressively inlining the helper, so that if someone has an older @babel/runtime version they would still get metadata support. The disadvantage of bumping is that we more aggressively inline the helper, even for people that do not actually care about metadata.

@nicolo-ribaudo nicolo-ribaudo mentioned this pull request Sep 12, 2023
Merged
@nicolo-ribaudo nicolo-ribaudo added the PR: Needs Review A pull request awaiting more approvals label Sep 12, 2023
@nicolo-ribaudo nicolo-ribaudo added PR: Needs Review A pull request awaiting more approvals PR: Ready to be Merged A pull request with already two approvals, but waiting for the next minor release and removed PR: Needs Review A pull request awaiting more approvals labels Sep 19, 2023
@nicolo-ribaudo nicolo-ribaudo merged commit 672b881 into babel:main Sep 25, 2023
48 checks passed
@nicolo-ribaudo nicolo-ribaudo deleted the deco-meta branch September 25, 2023 04:45
@Omrisnyk Omrisnyk mentioned this pull request Oct 16, 2023
Open
Woodpile37 added a commit to Woodpile37/ethers.js that referenced this pull request Oct 17, 2023
@Woodpile37
[Snyk] Upgrade: @babel/parser, @babel/types (#99)
d44c28b 
<p>This PR was automatically created by Snyk using the credentials of a
real user.</p><br /><h3>Snyk has created this PR to upgrade multiple
dependencies.</h3>
👯‍♂ The following dependencies are linked and will therefore be updated
together.
</br></br>
:information_source: Keep your dependencies up-to-date. This makes it
easier to fix existing vulnerabilities and to more quickly identify and
fix newly disclosed vulnerabilities when they affect your project.
</br></br>

 Name         | Versions     | Released on
:-------------|:-------------|:-------------
**@babel/parser**</br>from 7.22.16 to 7.23.0 | **1 version** ahead of
your current version | **22 days ago**</br>on 2023-09-25
**@babel/types**</br>from 7.22.19 to 7.23.0 | **1 version** ahead of
your current version | **22 days ago**</br>on 2023-09-25



<details>
<summary><b>Release notes</b></summary>
<br/>
  <details>
    <summary>Package name: <b>@babel/parser</b></summary>
    <ul>
      <li>
<b>7.23.0</b> - <a
href="https://snyk.io/redirect/github/babel/babel/releases/tag/v7.23.0">2023-09-25</a></br><h2>v7.23.0
(2023-09-25)</h2>
<p>Thanks <a class="user-mention notranslate" data-hovercard-type="user"
data-hovercard-url="/users/lorenzoferre/hovercard"
data-octo-click="hovercard-link-click"
data-octo-dimensions="link_type:self"
href="https://snyk.io/redirect/github/lorenzoferre">@ lorenzoferre</a>
and <a class="user-mention notranslate" data-hovercard-type="user"
data-hovercard-url="/users/RajShukla1/hovercard"
data-octo-click="hovercard-link-click"
data-octo-dimensions="link_type:self"
href="https://snyk.io/redirect/github/RajShukla1">@ RajShukla1</a> for
your first PRs!</p>
<h4>🚀 New Feature</h4>
<ul>
<li><code>babel-plugin-proposal-import-wasm-source</code>,
<code>babel-plugin-syntax-import-source</code>,
<code>babel-plugin-transform-dynamic-import</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15870"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15870/hovercard">#15870</a>
Support transforming <code>import source</code> for wasm (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-helper-module-transforms</code>,
<code>babel-helpers</code>,
<code>babel-plugin-proposal-import-defer</code>,
<code>babel-plugin-syntax-import-defer</code>,
<code>babel-plugin-transform-modules-commonjs</code>,
<code>babel-runtime-corejs2</code>, <code>babel-runtime-corejs3</code>,
<code>babel-runtime</code>, <code>babel-standalone</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15878"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15878/hovercard">#15878</a>
Implement <code>import defer</code> proposal transform support (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-generator</code>, <code>babel-parser</code>,
<code>babel-types</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15845"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15845/hovercard">#15845</a>
Implement <code>import defer</code> parsing support (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15829"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15829/hovercard">#15829</a> Add
parsing support for the "source phase imports" proposal (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-generator</code>,
<code>babel-helper-module-transforms</code>, <code>babel-parser</code>,
<code>babel-plugin-transform-dynamic-import</code>,
<code>babel-plugin-transform-modules-amd</code>,
<code>babel-plugin-transform-modules-commonjs</code>,
<code>babel-plugin-transform-modules-systemjs</code>,
<code>babel-traverse</code>, <code>babel-types</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15682"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15682/hovercard">#15682</a> Add
<code>createImportExpressions</code> parser option (<a
href="https://snyk.io/redirect/github/JLHwung">@ JLHwung</a>)</li>
</ul>
</li>
<li><code>babel-standalone</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15671"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15671/hovercard">#15671</a> Pass
through nonce to the transformed script element (<a
href="https://snyk.io/redirect/github/JLHwung">@ JLHwung</a>)</li>
</ul>
</li>
<li><code>babel-helper-function-name</code>,
<code>babel-helper-member-expression-to-functions</code>,
<code>babel-helpers</code>, <code>babel-parser</code>,
<code>babel-plugin-proposal-destructuring-private</code>,
<code>babel-plugin-proposal-optional-chaining-assign</code>,
<code>babel-plugin-syntax-optional-chaining-assign</code>,
<code>babel-plugin-transform-destructuring</code>,
<code>babel-plugin-transform-optional-chaining</code>,
<code>babel-runtime-corejs2</code>, <code>babel-runtime-corejs3</code>,
<code>babel-runtime</code>, <code>babel-standalone</code>,
<code>babel-types</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15751"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15751/hovercard">#15751</a> Add
support for optional chain in assignments (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-helpers</code>,
<code>babel-plugin-proposal-decorators</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15895"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15895/hovercard">#15895</a>
Implement the "decorator metadata" proposal (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-traverse</code>, <code>babel-types</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15893"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15893/hovercard">#15893</a> Add
<code>t.buildUndefinedNode</code> (<a
href="https://snyk.io/redirect/github/liuxingbaoyu">@
liuxingbaoyu</a>)</li>
</ul>
</li>
<li><code>babel-preset-typescript</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15913"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15913/hovercard">#15913</a> Add
<code>rewriteImportExtensions</code> option to TS preset (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-parser</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15896"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15896/hovercard">#15896</a> Allow
TS tuples to have both labeled and unlabeled elements (<a
href="https://snyk.io/redirect/github/yukukotani">@ yukukotani</a>)</li>
</ul>
</li>
</ul>
<h4>🐛 Bug Fix</h4>
<ul>
<li><code>babel-plugin-transform-block-scoping</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15962"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15962/hovercard">#15962</a> fix:
<code>transform-block-scoping</code> captures the variables of the
method in the loop (<a
href="https://snyk.io/redirect/github/liuxingbaoyu">@
liuxingbaoyu</a>)</li>
</ul>
</li>
</ul>
<h4>💅 Polish</h4>
<ul>
<li><code>babel-traverse</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15797"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15797/hovercard">#15797</a> Expand
evaluation of global built-ins in <code>@ babel/traverse</code> (<a
href="https://snyk.io/redirect/github/lorenzoferre">@
lorenzoferre</a>)</li>
</ul>
</li>
<li><code>babel-plugin-proposal-explicit-resource-management</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15985"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15985/hovercard">#15985</a>
Improve source maps for blocks with <code>using</code> declarations (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
</ul>
<h4>🔬 Output optimization</h4>
<ul>
<li><code>babel-core</code>,
<code>babel-helper-module-transforms</code>,
<code>babel-plugin-transform-async-to-generator</code>,
<code>babel-plugin-transform-classes</code>,
<code>babel-plugin-transform-dynamic-import</code>,
<code>babel-plugin-transform-function-name</code>,
<code>babel-plugin-transform-modules-amd</code>,
<code>babel-plugin-transform-modules-commonjs</code>,
<code>babel-plugin-transform-modules-umd</code>,
<code>babel-plugin-transform-parameters</code>,
<code>babel-plugin-transform-react-constant-elements</code>,
<code>babel-plugin-transform-react-inline-elements</code>,
<code>babel-plugin-transform-runtime</code>,
<code>babel-plugin-transform-typescript</code>,
<code>babel-preset-env</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15984"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15984/hovercard">#15984</a> Inline
<code>exports.XXX =</code> update in simple variable declarations (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
</ul>
<h4>Committers: 7</h4>
<ul>
<li>Babel Bot (<a href="https://snyk.io/redirect/github/babel-bot">@
babel-bot</a>)</li>
<li>Huáng Jùnliàng (<a href="https://snyk.io/redirect/github/JLHwung">@
JLHwung</a>)</li>
<li>Lorenzo Ferretti (<a
href="https://snyk.io/redirect/github/lorenzoferre">@
lorenzoferre</a>)</li>
<li>Nicolò Ribaudo (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
<li>Raj Pawan Shukla (<a
href="https://snyk.io/redirect/github/RajShukla1">@ RajShukla1</a>)</li>
<li>Yuku Kotani (<a href="https://snyk.io/redirect/github/yukukotani">@
yukukotani</a>)</li>
<li><a href="https://snyk.io/redirect/github/liuxingbaoyu">@
liuxingbaoyu</a></li>
</ul>
      </li>
      <li>
<b>7.22.16</b> - <a
href="https://snyk.io/redirect/github/babel/babel/releases/tag/v7.22.16">2023-09-06</a></br><h2>v7.22.16
(2023-09-06)</h2>
<h4>🐛 Bug Fix</h4>
<ul>
<li><code>babel-parser</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15935"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15935/hovercard">#15935</a> fix:
<code>__esModule</code> is missing from published <code>@
babel/parser</code> (<a
href="https://snyk.io/redirect/github/liuxingbaoyu">@
liuxingbaoyu</a>)</li>
</ul>
</li>
</ul>
<h4>🏠 Internal</h4>
<ul>
<li><code>babel-traverse</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15936"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15936/hovercard">#15936</a> Skip
deprecation warning tests when in a folder named <code>@ babel</code>
(<a href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
</ul>
<h4>Committers: 3</h4>
<ul>
<li>Huáng Jùnliàng (<a href="https://snyk.io/redirect/github/JLHwung">@
JLHwung</a>)</li>
<li>Nicolò Ribaudo (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
<li><a href="https://snyk.io/redirect/github/liuxingbaoyu">@
liuxingbaoyu</a></li>
</ul>
      </li>
    </ul>
from <a
href="https://snyk.io/redirect/github/babel/babel/releases">@babel/parser
GitHub release notes</a>
  </details>
  <details>
    <summary>Package name: <b>@babel/types</b></summary>
    <ul>
      <li>
<b>7.23.0</b> - <a
href="https://snyk.io/redirect/github/babel/babel/releases/tag/v7.23.0">2023-09-25</a></br><h2>v7.23.0
(2023-09-25)</h2>
<p>Thanks <a class="user-mention notranslate" data-hovercard-type="user"
data-hovercard-url="/users/lorenzoferre/hovercard"
data-octo-click="hovercard-link-click"
data-octo-dimensions="link_type:self"
href="https://snyk.io/redirect/github/lorenzoferre">@ lorenzoferre</a>
and <a class="user-mention notranslate" data-hovercard-type="user"
data-hovercard-url="/users/RajShukla1/hovercard"
data-octo-click="hovercard-link-click"
data-octo-dimensions="link_type:self"
href="https://snyk.io/redirect/github/RajShukla1">@ RajShukla1</a> for
your first PRs!</p>
<h4>🚀 New Feature</h4>
<ul>
<li><code>babel-plugin-proposal-import-wasm-source</code>,
<code>babel-plugin-syntax-import-source</code>,
<code>babel-plugin-transform-dynamic-import</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15870"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15870/hovercard">#15870</a>
Support transforming <code>import source</code> for wasm (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-helper-module-transforms</code>,
<code>babel-helpers</code>,
<code>babel-plugin-proposal-import-defer</code>,
<code>babel-plugin-syntax-import-defer</code>,
<code>babel-plugin-transform-modules-commonjs</code>,
<code>babel-runtime-corejs2</code>, <code>babel-runtime-corejs3</code>,
<code>babel-runtime</code>, <code>babel-standalone</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15878"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15878/hovercard">#15878</a>
Implement <code>import defer</code> proposal transform support (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-generator</code>, <code>babel-parser</code>,
<code>babel-types</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15845"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15845/hovercard">#15845</a>
Implement <code>import defer</code> parsing support (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15829"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15829/hovercard">#15829</a> Add
parsing support for the "source phase imports" proposal (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-generator</code>,
<code>babel-helper-module-transforms</code>, <code>babel-parser</code>,
<code>babel-plugin-transform-dynamic-import</code>,
<code>babel-plugin-transform-modules-amd</code>,
<code>babel-plugin-transform-modules-commonjs</code>,
<code>babel-plugin-transform-modules-systemjs</code>,
<code>babel-traverse</code>, <code>babel-types</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15682"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15682/hovercard">#15682</a> Add
<code>createImportExpressions</code> parser option (<a
href="https://snyk.io/redirect/github/JLHwung">@ JLHwung</a>)</li>
</ul>
</li>
<li><code>babel-standalone</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15671"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15671/hovercard">#15671</a> Pass
through nonce to the transformed script element (<a
href="https://snyk.io/redirect/github/JLHwung">@ JLHwung</a>)</li>
</ul>
</li>
<li><code>babel-helper-function-name</code>,
<code>babel-helper-member-expression-to-functions</code>,
<code>babel-helpers</code>, <code>babel-parser</code>,
<code>babel-plugin-proposal-destructuring-private</code>,
<code>babel-plugin-proposal-optional-chaining-assign</code>,
<code>babel-plugin-syntax-optional-chaining-assign</code>,
<code>babel-plugin-transform-destructuring</code>,
<code>babel-plugin-transform-optional-chaining</code>,
<code>babel-runtime-corejs2</code>, <code>babel-runtime-corejs3</code>,
<code>babel-runtime</code>, <code>babel-standalone</code>,
<code>babel-types</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15751"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15751/hovercard">#15751</a> Add
support for optional chain in assignments (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-helpers</code>,
<code>babel-plugin-proposal-decorators</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15895"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15895/hovercard">#15895</a>
Implement the "decorator metadata" proposal (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-traverse</code>, <code>babel-types</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15893"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15893/hovercard">#15893</a> Add
<code>t.buildUndefinedNode</code> (<a
href="https://snyk.io/redirect/github/liuxingbaoyu">@
liuxingbaoyu</a>)</li>
</ul>
</li>
<li><code>babel-preset-typescript</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15913"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15913/hovercard">#15913</a> Add
<code>rewriteImportExtensions</code> option to TS preset (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
<li><code>babel-parser</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15896"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15896/hovercard">#15896</a> Allow
TS tuples to have both labeled and unlabeled elements (<a
href="https://snyk.io/redirect/github/yukukotani">@ yukukotani</a>)</li>
</ul>
</li>
</ul>
<h4>🐛 Bug Fix</h4>
<ul>
<li><code>babel-plugin-transform-block-scoping</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15962"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15962/hovercard">#15962</a> fix:
<code>transform-block-scoping</code> captures the variables of the
method in the loop (<a
href="https://snyk.io/redirect/github/liuxingbaoyu">@
liuxingbaoyu</a>)</li>
</ul>
</li>
</ul>
<h4>💅 Polish</h4>
<ul>
<li><code>babel-traverse</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15797"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15797/hovercard">#15797</a> Expand
evaluation of global built-ins in <code>@ babel/traverse</code> (<a
href="https://snyk.io/redirect/github/lorenzoferre">@
lorenzoferre</a>)</li>
</ul>
</li>
<li><code>babel-plugin-proposal-explicit-resource-management</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15985"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15985/hovercard">#15985</a>
Improve source maps for blocks with <code>using</code> declarations (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
</ul>
<h4>🔬 Output optimization</h4>
<ul>
<li><code>babel-core</code>,
<code>babel-helper-module-transforms</code>,
<code>babel-plugin-transform-async-to-generator</code>,
<code>babel-plugin-transform-classes</code>,
<code>babel-plugin-transform-dynamic-import</code>,
<code>babel-plugin-transform-function-name</code>,
<code>babel-plugin-transform-modules-amd</code>,
<code>babel-plugin-transform-modules-commonjs</code>,
<code>babel-plugin-transform-modules-umd</code>,
<code>babel-plugin-transform-parameters</code>,
<code>babel-plugin-transform-react-constant-elements</code>,
<code>babel-plugin-transform-react-inline-elements</code>,
<code>babel-plugin-transform-runtime</code>,
<code>babel-plugin-transform-typescript</code>,
<code>babel-preset-env</code>
<ul>
<li><a href="https://snyk.io/redirect/github/babel/babel/pull/15984"
data-hovercard-type="pull_request"
data-hovercard-url="/babel/babel/pull/15984/hovercard">#15984</a> Inline
<code>exports.XXX =</code> update in simple variable declarations (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
</ul>
</li>
</ul>
<h4>Committers: 7</h4>
<ul>
<li>Babel Bot (<a href="https://snyk.io/redirect/github/babel-bot">@
babel-bot</a>)</li>
<li>Huáng Jùnliàng (<a href="https://snyk.io/redirect/github/JLHwung">@
JLHwung</a>)</li>
<li>Lorenzo Ferretti (<a
href="https://snyk.io/redirect/github/lorenzoferre">@
lorenzoferre</a>)</li>
<li>Nicolò Ribaudo (<a
href="https://snyk.io/redirect/github/nicolo-ribaudo">@
nicolo-ribaudo</a>)</li>
<li>Raj Pawan Shukla (<a
href="https://snyk.io/redirect/github/RajShukla1">@ RajShukla1</a>)</li>
<li>Yuku Kotani (<a href="https://snyk.io/redirect/github/yukukotani">@
yukukotani</a>)</li>
<li><a href="https://snyk.io/redirect/github/liuxingbaoyu">@
liuxingbaoyu</a></li>
</ul>
      </li>
      <li>
<b>7.22.19</b> - <a
href="https://snyk.io/redirect/github/babel/babel/releases/tag/v7.22.19">2023-09-14</a></br><h2>v7.22.19
(2023-09-14)</h2>
<p>Re-published 7.22.18, due to a releasing error.</p>
      </li>
    </ul>
from <a
href="https://snyk.io/redirect/github/babel/babel/releases">@babel/types
GitHub release notes</a>
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Reviewers

@JLHwung JLHwung JLHwung approved these changes

@liuxingbaoyu liuxingbaoyu liuxingbaoyu approved these changes

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outdated A closed issue/PR that is archived due to age. Recommended to make a new issue PR: New Feature 🚀 A type of pull request used for our changelog categories PR: Ready to be Merged A pull request with already two approvals, but waiting for the next minor release Spec: Decorators
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[Bug]: Decorator metadata is not implemented
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@nicolo-ribaudo @babel-bot @JLHwung @justinfagnani @liuxingbaoyu