feat: Support `.cts` as configuration file #15283

liuxingbaoyu · 2022-12-16T08:07:50Z

Q	A
Fixed Issues?	Part of #8529
Patch: Bug Fix?
Major: Breaking Change?
Minor: New Feature?	√
Tests Added + Pass?	√
Documentation PR Link	babel/website#2722
Any Dependency Changes?
License	MIT

Since the esm loader is not yet stable, and the command line parameters have to be set manually, I currently only choose to allow .cts as a configuration file.
This will be stable and there should be no risk of breaking changes in the future.
As an implementation detail, we do not transform when any of .ts, .cts, .mts exists in require.extensions.

This PR also contains some simplifications.

babel-bot · 2022-12-16T08:11:07Z

Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/53900/

JLHwung · 2022-12-16T15:42:56Z

packages/babel-core/src/config/files/module-types.ts

+      filename: path.basename(filepath),
+      sourceType: "script",
+      sourceMaps: "inline",
+      presets: ["@babel/preset-typescript"],


preset-typescript should be added to the dependencies of @babel/core, too.

Since this is a new feature, we can use the future defaults now:

{ allowDeclareFields: true disallowAmbiguousJSXLike: true, onlyRemoveTypeImports: true, optimizeConstEnums: true }

I would prefer to keep it as an optional peer dependency if possible.

nicolo-ribaudo

I expected to really dislike this PR since makes @babel/core "depend" on TS stuff, but I actually like how well it's separated ("automatic" support for ts-node if the user already uses it, and @babel/preset-typescript is just an optional peer dependency).

nicolo-ribaudo · 2023-01-26T10:21:59Z

packages/babel-core/test/config-ts.js

+        require.extensions[".ts"] = () => {
+          throw new Error("Not support .ts.");
+        };
+        expect(() => {
+          loadPartialConfigSync({
+            configFile: path.join(
+              __dirname,
+              "fixtures/config-ts/invalid-cts-register/babel.config.cts",
+            ),
+          });
+        }).toThrow(/Unexpected identifier.*/);
+        delete require.extensions[".ts"];


Use try/finally, so that the delete happens even if the expect fails.

nicolo-ribaudo · 2023-01-26T10:30:15Z

packages/babel-core/src/config/files/module-types.ts

+  try {
+    return endHiddenCallStack(require)(filepath);
+  } finally {
+    if (!hasTsSupport) {


The user config could register a new handler for TS extensions. We should also check if require.extensions[ext] is still === to the function we defined a few lines above, before deleting it.

nicolo-ribaudo · 2023-01-26T10:31:08Z

packages/babel-core/src/config/files/module-types.ts

+    require.extensions[".ts"] ||
+    require.extensions[".cts"] ||
+    require.extensions[".mts"]


Is the plan to eventually support .ts and .mts? Can we throw an error when we find babel.config.ts and babel.config.mts, instead of silently ignoring them?

Yes, I want to support this, but it may be difficult, and the current nodejs support for this is not very complete.

nicolo-ribaudo · 2023-01-26T10:32:15Z

packages/babel-core/src/config/files/module-types.ts

+      sourceMaps: "inline",
+      presets: [
+        [
+          "@babel/preset-typescript",


Can we first try require.resolveing this, and throw an error if there is a TS config file but not the preset, giving an error message that says why the users needs to install the preset instead of just saying "preset not found"?

nicolo-ribaudo · 2023-01-26T10:32:42Z

packages/babel-core/test/config-ts.js

+// 2. In the old version of node, jest has been registered in `require.extensions`, which will cause babel to disable the transforming as expected.
+
+describe("@babel/core config with ts [dummy]", () => {
+  it("dummy", () => {


Is this needed because Jest complains if all the tests in the file are skipped?

Nit: Can you make it only run on node < 12?

nicolo-ribaudo · 2023-01-26T10:40:37Z

packages/babel-core/package.json

+  "peerDependencies": {
+    "@babel/preset-typescript": "^7.0.0"
+  },
+  "peerDependenciesMeta": {
+    "@babel/preset-typescript": {
+      "optional": true
+    }


This is exactly how we should do it, but it's also a potential breaking change 🙁 peerDependenciesMeta is only supported in npm 7+, and Node.js 14 comes with npm 6 preinstalled. There are also other places where we would need peerDependenciesMeta, but they are waiting for Babel 8.

Maybe we could try/catch requiring the preset without listing it as a peer dependency, even if this means that for now it won't work with PnP? Or we could only support loading through ts-node until Babel 8.

I am a little hesitant about this, because even if the npm used by the user does not support peerDependenciesMeta, it should only install an additional plugin, and there will be no other side effects except for a very small hard disk occupation. 😕

No, in old npm versions that don't support peerDependenciesMeta @babel/preset-typescript will not be installed, and instead it will be handled like a required peer dependency.

I get it, this causes a warning to show up in some versions of npm, which is really less than ideal, thanks!

JLHwung

LGTM. Left comments on ts module imports and test setup/teardown.

packages/babel-core/src/config/files/module-types.ts

JLHwung · 2023-01-27T16:09:13Z

packages/babel-core/test/config-ts.js

+    `);
+      });
+
+      it("should throw with invalid .ts register", () => {


Can you add a new test case for invalid .cts register? Since that is how we are detecting ts support.

There is actually a special situation here. I found that ts-node will only register .ts, and other extensions are realized by hijacking .js.
I seem to need to add some comments.
Actually I think the best way to detect it here is probably to directly try to require() a file with only type xxx, but that would require us to include it in the package, I'm not sure it's worth it. (Also future .cts .ts .mts may require three different files, which is kind of ugly)

JLHwung · 2023-01-27T16:13:08Z

packages/babel-core/test/config-ts.js

+// 2. In the old version of node, jest has been registered in `require.extensions`, which will cause babel to disable the transforming as expected.
+
+describe("@babel/core config with ts [dummy]", () => {
+  it("dummy", () => {


Nit: Can you make it only run on node < 12?

packages/babel-core/src/config/files/module-types.ts

JLHwung · 2023-01-27T16:21:57Z

packages/babel-core/src/config/files/module-types.ts

+      ],
+    };
+    const result = transformSync(code, opts);
+    require.extensions[ext] = function (m, filename) {


Should the require hook be installed before transformFileSync which invokes loadOptions? I am thinking of the case when babel.config.cts is importing a ts module.

JLHwung · 2023-01-27T16:27:52Z

packages/babel-core/test/config-ts.js

+          loadPartialConfigSync({
+            configFile: path.join(
+              __dirname,
+              "fixtures/config-ts/invalid-cts-register/babel.config.cts",


Should the fixture here be invalid-ts-register?

JLHwung · 2023-01-27T16:31:43Z

packages/babel-core/test/config-ts.js

+          ),
+        });
+
+        service.enabled(false);


Ditto. The test teardown should be placed in a try-finally block or wrapped in the afterAll setup.

packages/babel-core/test/config-ts.js

JLHwung · 2023-01-27T16:34:24Z

packages/babel-core/test/config-ts.js

+        const config = loadPartialConfigSync({
+          configFile: path.join(
+            __dirname,
+            "fixtures/config-ts/simple-cts/babel.config.cts",


Just curious, does new URL("./fixtures/config-ts/simple-cts/babel.config.cts", import.meta.url) work?

I'm not sure, I've encountered a lot of URL with windows causing special exceptions, so I always use path. And they look just as readable.

nicolo-ribaudo · 2023-02-06T14:30:15Z

I tentatively added this to the 7.21.0 milestone, but #15283 (comment) is a blocker.

packages/babel-core/src/config/files/module-types.ts

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

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This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project. <hr/> - The recommended version is **1 version** ahead of your current version. - The recommended version was released **24 days ago**, on 2023-02-20. <details> <summary><b>Release notes</b></summary> <br/> <details> <summary>Package name: <b>@babel/core</b></summary> <ul> <li> <b>7.21.0</b> - <a href="https://snyk.io/redirect/github/babel/babel/releases/tag/v7.21.0">2023-02-20</a></br><h2>v7.21.0 (2023-02-20)</h2> <p>Thanks <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/azizghuloum/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://snyk.io/redirect/github/azizghuloum">@ azizghuloum</a>, <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/ehoogeveen-medweb/hovercard" data-octo-click="hovercard-link-click" 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(<a href="https://snyk.io/redirect/github/JBYoshi">@ JBYoshi</a>)</li> </ul> </li> </ul> <h4>Committers: 5</h4> <ul> <li>Jonathan Browne (<a href="https://snyk.io/redirect/github/JBYoshi">@ JBYoshi</a>)</li> <li>Kenneth Kwakye-Gyamfi (<a href="https://snyk.io/redirect/github/cross19xx">@ cross19xx</a>)</li> <li>Naman Goel (<a href="https://snyk.io/redirect/github/nmn">@ nmn</a>)</li> <li>Nicolò Ribaudo (<a href="https://snyk.io/redirect/github/nicolo-ribaudo">@ nicolo-ribaudo</a>)</li> <li>Tianlan Zhou (<a href="https://snyk.io/redirect/github/SuperSodaSea">@ SuperSodaSea</a>)</li> </ul> </li> </ul> from <a href="https://snyk.io/redirect/github/babel/babel/releases">@babel/core GitHub release notes</a> </details> </details> <hr/> **Note:** *You are seeing this because you or someone else with access to this repository has authorized Snyk to open upgrade PRs.* For more information: <img src="https://api.segment.io/v1/pixel/track?data=eyJ3cml0ZUtleSI6InJyWmxZcEdHY2RyTHZsb0lYd0dUcVg4WkFRTnNCOUEwIiwiYW5vbnltb3VzSWQiOiIxMjFlNDk2Mi01NjQ2LTRjNzEtYmY1My02ZTg1MWE1YzNiMTciLCJldmVudCI6IlBSIHZpZXdlZCIsInByb3BlcnRpZXMiOnsicHJJZCI6IjEyMWU0OTYyLTU2NDYtNGM3MS1iZjUzLTZlODUxYTVjM2IxNyJ9fQ==" width="0" height="0"/> 🧐 [View latest project report](https://app.snyk.io/org/sandbox-2ba/project/852e6e4f-be96-45c8-b370-1060f5ebee55?utm_source=github&utm_medium=referral&page=upgrade-pr) 🛠 [Adjust upgrade PR settings](https://app.snyk.io/org/sandbox-2ba/project/852e6e4f-be96-45c8-b370-1060f5ebee55/settings/integration?utm_source=github&utm_medium=referral&page=upgrade-pr) 🔕 [Ignore this dependency or unsubscribe from future upgrade PRs](https://app.snyk.io/org/sandbox-2ba/project/852e6e4f-be96-45c8-b370-1060f5ebee55/settings/integration?pkg=@babel/core&utm_source=github&utm_medium=referral&page=upgrade-pr#auto-dep-upgrades)  --------- Co-authored-by: snyk-bot <snyk-bot@snyk.io>

<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 @babel/core from 7.21.0 to 7.21.3.</h3> :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. <hr/> - The recommended version is **1 version** ahead of your current version. - The recommended version was released **22 days ago**, on 2023-03-14. <details> <summary><b>Release notes</b></summary> <br/> <details> <summary>Package name: <b>@babel/core</b></summary> <ul> <li> <b>7.21.3</b> - <a href="https://snyk.io/redirect/github/babel/babel/releases/tag/v7.21.3">2023-03-14</a></br><h2>v7.21.3 (2023-03-14)</h2> <p>Thanks <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/amoeller/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://snyk.io/redirect/github/amoeller">@ amoeller</a>, <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/Harpica/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://snyk.io/redirect/github/Harpica">@ Harpica</a>, and <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/nzakas/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://snyk.io/redirect/github/nzakas">@ nzakas</a> for your first PRs!</p> <h4><g-emoji class="g-emoji" alias="eyeglasses" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f453.png">👓</g-emoji> Spec Compliance</h4> <ul> <li><code>babel-parser</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15479" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15479/hovercard">#15479</a> disallow mixins/implements in flow interface (<a href="https://snyk.io/redirect/github/JLHwung">@ JLHwung</a>)</li> </ul> </li> </ul> <h4><g-emoji class="g-emoji" alias="bug" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f41b.png">🐛</g-emoji> Bug Fix</h4> <ul> <li><code>babel-parser</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15423" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15423/hovercard">#15423</a> [ts] Allow keywords in tuple labels (<a href="https://snyk.io/redirect/github/Harpica">@ Harpica</a>)</li> </ul> </li> <li><code>babel-plugin-transform-typescript</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15489" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15489/hovercard">#15489</a> Register <code>var</code> decls generated by <code>import ... =</code> TS transform (<a href="https://snyk.io/redirect/github/amoeller">@ amoeller</a>)</li> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15494" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15494/hovercard">#15494</a> fix: Consider <code>export { type foo }</code> as type-only usage (<a href="https://snyk.io/redirect/github/magic-akari">@ magic-akari</a>)</li> </ul> </li> </ul> <h4><g-emoji class="g-emoji" alias="nail_care" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f485.png">💅</g-emoji> Polish</h4> <ul> <li><code>babel-traverse</code>, <code>babel-types</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15484" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15484/hovercard">#15484</a> Skip node deprecation warnings when used by an old <code>@ babel</code> package (<a href="https://snyk.io/redirect/github/nicolo-ribaudo">@ nicolo-ribaudo</a>)</li> </ul> </li> <li><code>babel-generator</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15480" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15480/hovercard">#15480</a> chore: Improve <code>jsonCompatibleStrings</code> deprecation (<a href="https://snyk.io/redirect/github/liuxingbaoyu">@ liuxingbaoyu</a>)</li> </ul> </li> </ul> <h4><g-emoji class="g-emoji" alias="house" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f3e0.png">🏠</g-emoji> Internal</h4> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15465" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15465/hovercard">#15465</a> Add ESLint-readable package name (<a href="https://snyk.io/redirect/github/nzakas">@ nzakas</a>)</li> </ul> <h4><g-emoji class="g-emoji" alias="microscope" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f52c.png">🔬</g-emoji> Output optimization</h4> <ul> <li><code>babel-plugin-transform-typescript</code>, <code>babel-preset-typescript</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15467" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15467/hovercard">#15467</a> Optimize TS enums output (<a href="https://snyk.io/redirect/github/liuxingbaoyu">@ liuxingbaoyu</a>)</li> </ul> </li> </ul> <h4>Committers: 8</h4> <ul> <li>Alexandra Kadykova (<a href="https://snyk.io/redirect/github/Harpica">@ Harpica</a>)</li> <li>Anders Møller (<a href="https://snyk.io/redirect/github/amoeller">@ amoeller</a>)</li> <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>Nicholas C. Zakas (<a href="https://snyk.io/redirect/github/nzakas">@ nzakas</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> <li>magic-akari (<a href="https://snyk.io/redirect/github/magic-akari">@ magic-akari</a>)</li> </ul> </li> <li> <b>7.21.0</b> - <a href="https://snyk.io/redirect/github/babel/babel/releases/tag/v7.21.0">2023-02-20</a></br><h2>v7.21.0 (2023-02-20)</h2> <p>Thanks <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/azizghuloum/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://snyk.io/redirect/github/azizghuloum">@ azizghuloum</a>, <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/ehoogeveen-medweb/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://snyk.io/redirect/github/ehoogeveen-medweb">@ ehoogeveen-medweb</a>, <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/fwienber/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://snyk.io/redirect/github/fwienber">@ fwienber</a>, and <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/Lioness100/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://snyk.io/redirect/github/Lioness100">@ Lioness100</a> for your first PRs!</p> <h4><g-emoji class="g-emoji" alias="rocket" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f680.png">🚀</g-emoji> New Feature</h4> <ul> <li><code>babel-core</code>, <code>babel-helper-create-class-features-plugin</code>, <code>babel-plugin-proposal-class-properties</code>, <code>babel-plugin-proposal-private-methods</code>, <code>babel-plugin-proposal-private-property-in-object</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15435" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15435/hovercard">#15435</a> feat: Implement <code>privateFieldsAsSymbols</code> assumption for classes (<a href="https://snyk.io/redirect/github/fwienber">@ fwienber</a>)</li> </ul> </li> <li><code>babel-helper-create-regexp-features-plugin</code>, <code>babel-plugin-proposal-regexp-modifiers</code>, <code>babel-standalone</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15226" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15226/hovercard">#15226</a> feat: Support regexp modifiers proposal (<a href="https://snyk.io/redirect/github/liuxingbaoyu">@ liuxingbaoyu</a>)</li> </ul> </li> <li><code>babel-cli</code>, <code>babel-core</code>, <code>babel-generator</code>, <code>babel-plugin-transform-destructuring</code>, <code>babel-plugin-transform-modules-commonjs</code>, <code>babel-plugin-transform-react-jsx</code>, <code>babel-traverse</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15022" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15022/hovercard">#15022</a> feat: Generate sourcemaps of friendly call frames (<a href="https://snyk.io/redirect/github/liuxingbaoyu">@ liuxingbaoyu</a>)</li> </ul> </li> <li><code>babel-parser</code>, <code>babel-types</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15384" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15384/hovercard">#15384</a> [ts] Support <code>const</code> modifier in type parameters (<a href="https://snyk.io/redirect/github/nicolo-ribaudo">@ nicolo-ribaudo</a>)</li> </ul> </li> <li><code>babel-generator</code>, <code>babel-helpers</code>, <code>babel-parser</code>, <code>babel-plugin-proposal-decorators</code>, <code>babel-plugin-syntax-decorators</code>, <code>babel-runtime-corejs2</code>, <code>babel-runtime-corejs3</code>, <code>babel-runtime</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15405" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15405/hovercard">#15405</a> Implement decorators as presented at <code>2023-01</code> TC39 meeting (<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/15114" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15114/hovercard">#15114</a> Parser option to allow <code>new.target</code> outside functions (<a href="https://snyk.io/redirect/github/overlookmotel">@ overlookmotel</a>)</li> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15320" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15320/hovercard">#15320</a> Add <code>annexb: false</code> parser option to disable Annex B (<a href="https://snyk.io/redirect/github/nicolo-ribaudo">@ nicolo-ribaudo</a>)</li> </ul> </li> <li><code>babel-core</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15283" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15283/hovercard">#15283</a> feat: Support <code>.cts</code> as configuration file (<a href="https://snyk.io/redirect/github/liuxingbaoyu">@ liuxingbaoyu</a>)</li> </ul> </li> <li><code>babel-generator</code>, <code>babel-parser</code>, <code>babel-plugin-transform-typescript</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15381" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15381/hovercard">#15381</a> [ts] Support <code>export type * from</code> (<a href="https://snyk.io/redirect/github/nicolo-ribaudo">@ nicolo-ribaudo</a>)</li> </ul> </li> </ul> <h4><g-emoji class="g-emoji" alias="bug" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f41b.png">🐛</g-emoji> Bug Fix</h4> <ul> <li><code>babel-plugin-transform-typescript</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15379" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15379/hovercard">#15379</a> [ts5.0] Better inlining of constants in enums (<a href="https://snyk.io/redirect/github/liuxingbaoyu">@ liuxingbaoyu</a>)</li> </ul> </li> <li><code>babel-core</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15366" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15366/hovercard">#15366</a> handling circular/shared structures in deep-clone (<a href="https://snyk.io/redirect/github/azizghuloum">@ azizghuloum</a>)</li> </ul> </li> <li><code>babel-helper-create-class-features-plugin</code>, <code>babel-plugin-proposal-class-properties</code>, <code>babel-plugin-proposal-class-static-block</code>, <code>babel-plugin-proposal-private-methods</code>, <code>babel-plugin-transform-classes</code>, <code>babel-plugin-transform-new-target</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15406" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15406/hovercard">#15406</a> Preserve class elements comments in class transform (<a href="https://snyk.io/redirect/github/JLHwung">@ JLHwung</a>)</li> </ul> </li> <li><code>babel-parser</code>, <code>babel-plugin-transform-flow-comments</code>, <code>babel-plugin-transform-flow-strip-types</code>, <code>babel-types</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15414" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15414/hovercard">#15414</a> [ts] Fix restrictions for optional parameters (<a href="https://snyk.io/redirect/github/nicolo-ribaudo">@ nicolo-ribaudo</a>)</li> </ul> </li> </ul> <h4><g-emoji class="g-emoji" alias="nail_care" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f485.png">💅</g-emoji> Polish</h4> <ul> <li><code>babel-parser</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15400" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15400/hovercard">#15400</a> polish: improve "<code>await</code> as identifier" error in modules (<a href="https://snyk.io/redirect/github/JLHwung">@ JLHwung</a>)</li> </ul> </li> </ul> <h4><g-emoji class="g-emoji" alias="house" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f3e0.png">🏠</g-emoji> Internal</h4> <ul> <li><code>babel-core</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15137" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15137/hovercard">#15137</a> Improve CJS compat with ESM-based <code>@ babel/core</code> (<a href="https://snyk.io/redirect/github/nicolo-ribaudo">@ nicolo-ribaudo</a>)</li> </ul> </li> </ul> <h4><g-emoji class="g-emoji" alias="microscope" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f52c.png">🔬</g-emoji> Output optimization</h4> <ul> <li><code>babel-plugin-transform-typescript</code> <ul> <li><a href="https://snyk.io/redirect/github/babel/babel/pull/15418" data-hovercard-type="pull_request" data-hovercard-url="/babel/babel/pull/15418/hovercard">#15418</a> [ts] Handle exponentiation operator in constant folding (<a href="https://snyk.io/redirect/github/ehoogeveen-medweb">@ ehoogeveen-medweb</a>)</li> </ul> </li> </ul> <h4>Committers: 11</h4> <ul> <li>Abdulaziz Ghuloum (<a href="https://snyk.io/redirect/github/azizghuloum">@ azizghuloum</a>)</li> <li>Babel Bot (<a href="https://snyk.io/redirect/github/babel-bot">@ babel-bot</a>)</li> <li>Emanuel Hoogeveen (<a href="https://snyk.io/redirect/github/ehoogeveen-medweb">@ ehoogeveen-medweb</a>)</li> <li>Frank Wienberg (<a href="https://snyk.io/redirect/github/fwienber">@ fwienber</a>)</li> <li>Huáng Jùnliàng (<a href="https://snyk.io/redirect/github/JLHwung">@ JLHwung</a>)</li> <li>Mateusz Burzyński (<a href="https://snyk.io/redirect/github/Andarist">@ Andarist</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/Lioness100">@ Lioness100</a></li> <li><a href="https://snyk.io/redirect/github/liuxingbaoyu">@ liuxingbaoyu</a></li> <li><a href="https://snyk.io/redirect/github/overlookmotel">@ overlookmotel</a></li> <li>fisker Cheung (<a href="https://snyk.io/redirect/github/fisker">@ fisker</a>)</li> </ul> </li> </ul> from <a href="https://snyk.io/redirect/github/babel/babel/releases">@babel/core GitHub release notes</a> </details> </details> <hr/> **Note:** *You are seeing this because you or someone else with access to this repository has authorized Snyk to open upgrade PRs.* 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liuxingbaoyu added PR: New Feature 🚀 A type of pull request used for our changelog categories i: discussion pkg: core PR: Needs Docs labels Dec 16, 2022

JLHwung reviewed Dec 16, 2022

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liuxingbaoyu added 5 commits January 3, 2023 23:28

feat

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yarn dedupe

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fix test

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review

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yarn.lock

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liuxingbaoyu force-pushed the feat-config-ts branch from 8a645ff to 8459ad7 Compare January 3, 2023 15:29

fix

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liuxingbaoyu force-pushed the feat-config-ts branch from a4e0d98 to a30d703 Compare January 4, 2023 10:52

fix

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liuxingbaoyu force-pushed the feat-config-ts branch from a30d703 to 8a71976 Compare January 4, 2023 11:24

fix test

e90dd47

liuxingbaoyu force-pushed the feat-config-ts branch from 0368d5a to e90dd47 Compare January 12, 2023 16:38

nicolo-ribaudo reviewed Jan 26, 2023

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JLHwung approved these changes Jan 27, 2023

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nicolo-ribaudo added this to the v7.21.0 milestone Feb 6, 2023

liuxingbaoyu added 2 commits February 9, 2023 01:14

review

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support process.env.BABEL_8_BREAKING && x

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nicolo-ribaudo mentioned this pull request Feb 13, 2023

Updates to cts config support liuxingbaoyu/babel#4

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packages/babel-core/src/config/files/module-types.ts Outdated Show resolved Hide resolved

liuxingbaoyu and others added 3 commits February 14, 2023 00:53

Update packages/babel-core/src/config/files/module-types.ts

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Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

Updates to cts config support (#4)

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lockfile

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nicolo-ribaudo merged commit 43dce19 into babel:main Feb 18, 2023

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feat: Support `.cts` as configuration file #15283

feat: Support `.cts` as configuration file #15283

liuxingbaoyu commented Dec 16, 2022 •

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nicolo-ribaudo commented Feb 6, 2023

feat: Support .cts as configuration file #15283

feat: Support .cts as configuration file #15283

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liuxingbaoyu commented Dec 16, 2022 • edited

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nicolo-ribaudo commented Feb 6, 2023

feat: Support `.cts` as configuration file #15283

feat: Support `.cts` as configuration file #15283

liuxingbaoyu commented Dec 16, 2022 •

edited

babel-bot commented Dec 16, 2022 •

edited