Add support for optional chain in assignments #15751

nicolo-ribaudo · 2023-07-05T17:34:31Z

Q	A
Fixed Issues?	`Fixes #1, Fixes #2`
Patch: Bug Fix?
Major: Breaking Change?
Minor: New Feature?
Tests Added + Pass?	Yes
Documentation PR Link	babel/website#2824 (partial)
Any Dependency Changes?
License	MIT

Implementation of https://github.com/nicolo-ribaudo/proposal-optional-chaining-assignment, that reached stage 1 at the July 2023 TC39 meeting. During the meeting there was some debate about syntax (i.e. replacing = with another token), so for now I'm adding a required version: "2023-07" option that will allow us to introduce breaking changes in the future.

babel-bot · 2023-07-05T17:37:23Z

Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/55548/

CanadaHonk · 2023-08-01T13:42:23Z

packages/babel-plugin-proposal-optional-chaining-assign/README.md

@@ -0,0 +1,19 @@
+# @babel/plugin-transform-optional-chaining


Fyi, this README is misnamed and should be @babel/plugin-proposal-optional-chaining-assign.

JLHwung · 2023-08-14T19:37:33Z

packages/babel-plugin-proposal-optional-chaining-assign/README.md

+
+> Transform optional chaining on the left-hand side of assignment expressions
+
+See our website [@babel/plugin-proposal-optional-chaining-assign](https://babeljs.io/docs/babel-plugin-proposal-optional-chaining-assign) for more information.


Can you create a docs PR for this package?

JLHwung

The plugin looks good to me generally. Can you add test cases for private property, e.g.

a?.#b = c

with and without the class properties transform? I recall that we have to handle optional chain in the packages/babel-helper-member-expression-to-functions, I guess we should handle the assignment as well, since the class field transform is invoked earlier than the expression.

nicolo-ribaudo

@JLHwung Thanks, I fixed a?.#b = c support and added tests.

nicolo-ribaudo · 2023-08-17T12:39:45Z

packages/babel-helper-member-expression-to-functions/src/index.ts

    // MEMBER += VALUE   ->   _set(MEMBER, _get(MEMBER) + VALUE)
    // MEMBER ??= VALUE   ->   _get(MEMBER) ?? _set(MEMBER, VALUE)
    if (parentPath.isAssignmentExpression({ left: node })) {
-      if (this.simpleSet) {


All this section is moved to the handleAssignment function below with no changes (other than renaming this to state).

existentialism

❤️

<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 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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>, 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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 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nicolo-ribaudo changed the title ~~Add parser support for optional chain in assignments~~ Add support for optional chain in assignments Jul 5, 2023

nicolo-ribaudo added the PR: New Feature 🚀 A type of pull request used for our changelog categories label Jul 5, 2023

nicolo-ribaudo force-pushed the optional-chaining-assign branch from 67a2c5e to d7cc6cc Compare July 5, 2023 17:54

CanadaHonk reviewed Aug 1, 2023

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nicolo-ribaudo force-pushed the optional-chaining-assign branch from ba8dd37 to e9ba5af Compare August 2, 2023 10:42

nicolo-ribaudo added this to the v7.23.0 milestone Aug 2, 2023

nicolo-ribaudo force-pushed the optional-chaining-assign branch from bdaa2c3 to d975e12 Compare August 2, 2023 13:07

nicolo-ribaudo marked this pull request as ready for review August 2, 2023 13:09

JLHwung added the PR: Needs Docs label Aug 14, 2023

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nicolo-ribaudo force-pushed the optional-chaining-assign branch from fa8328d to 46b0e7a Compare August 17, 2023 12:38

nicolo-ribaudo commented Aug 17, 2023

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nicolo-ribaudo mentioned this pull request Aug 17, 2023

Simplify ?. output when chain result is ignored #15871

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nicolo-ribaudo force-pushed the optional-chaining-assign branch from 46b0e7a to 5f67b4a Compare August 18, 2023 12:11

JLHwung approved these changes Aug 18, 2023

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existentialism approved these changes Aug 18, 2023

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nicolo-ribaudo added the PR: Ready to be Merged A pull request with already two approvals, but waiting for the next minor release label Aug 21, 2023

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Parser docs for 7.23.0 babel/website#2824

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nicolo-ribaudo added PR: Needs Docs and removed PR: Needs Docs labels Sep 18, 2023

nicolo-ribaudo mentioned this pull request Sep 23, 2023

Add docs for new 7.23.0 plugins babel/website#2828

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nicolo-ribaudo removed the PR: Needs Docs label Sep 23, 2023

nicolo-ribaudo and others added 6 commits September 25, 2023 13:27

Add parser support for optional chain in assignments

477d7b3

Add transform support for optional chaining assignment

5bf21e0

Add optional chain assignment to stage 1 preset (#9)

8d8523b

Regenerate readmes

4bdec5e

Require version option

45c6b12

Remove accidentally copied test

33cdb18

nicolo-ribaudo added 11 commits September 25, 2023 13:28

yarn

fec014d

Fix standalone

7d99882

Fix ts error

7723112

optional assign is not in general an lval (e.g. no [a?.b]=c)

c9275c7

Fix more TS

bc38b0b

yarn constraints --fix

339b8f3

standalone default version

e55ec89

Fix test

b13e722

Update babel-parser.d.ts

f6f109a

Fix support for private fields

828fac4

Updates after rebase

a5ef4e3

nicolo-ribaudo force-pushed the optional-chaining-assign branch from 5f67b4a to a5ef4e3 Compare September 25, 2023 04:29

nicolo-ribaudo merged commit 4d93bae into babel:main Sep 25, 2023

nicolo-ribaudo deleted the optional-chaining-assign branch September 25, 2023 06:07

Omrisnyk mentioned this pull request Oct 16, 2023

[Snyk] Security upgrade @babel/traverse from 7.0.0 to 7.23.2 Omrisnyk/npm-lockfiles#121

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github-actions bot added the outdated A closed issue/PR that is archived due to age. Recommended to make a new issue label Dec 26, 2023

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Add support for optional chain in assignments #15751

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nicolo-ribaudo commented Jul 5, 2023 •

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		> Transform optional chaining on the left-hand side of assignment expressions

		See our website [@babel/plugin-proposal-optional-chaining-assign](https://babeljs.io/docs/babel-plugin-proposal-optional-chaining-assign) for more information.

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