Minifier and import-detection fixes, faster transforms, pnpm 12

.changeset/css-prop-script-mode.md

@@ -0,0 +1,5 @@
+---
+'babel-plugin-styled-components': patch
+---
+
+Fix a crash when the `css` prop is used in a CommonJS file without a `styled-components` import.

.changeset/faster-transforms.md

@@ -0,0 +1,5 @@
+---
+'babel-plugin-styled-components': patch
+---
+
+Faster transforms: the plugin's own time drops about 2–4× on typical files and up to ~28× on CommonJS files with many `css` props.

.changeset/ignore-ambient-module-imports.md

@@ -0,0 +1,5 @@
+---
+'babel-plugin-styled-components': patch
+---
+
+Fix components losing displayName and componentId when a `declare module` block also imports `styled-components`.

.changeset/ignore-type-only-imports.md

@@ -0,0 +1,5 @@
+---
+'babel-plugin-styled-components': patch
+---
+
+Ignore `import type` from `styled-components` when finding the real `styled` import.

.changeset/keep-namespace-import-recognized.md

@@ -0,0 +1,5 @@
+---
+'babel-plugin-styled-components': patch
+---
+
+Fix `styled.default.x` losing displayName and componentId with `import * as styled` alongside the css prop or a default import.

.changeset/namespace-default-call-form.md

@@ -0,0 +1,5 @@
+---
+'babel-plugin-styled-components': patch
+---
+
+Fix broken output for `styled.default(Component)` with `import * as styled` or `require`.

.changeset/real-styled-binding-names.md

@@ -0,0 +1,5 @@
+---
+'babel-plugin-styled-components': patch
+---
+
+Recognize `styled` under any local name, such as `import { styled as sc }` or `const sc = require('styled-components')`.

.changeset/string-aware-minify.md

@@ -0,0 +1,5 @@
+---
+'babel-plugin-styled-components': patch
+---
+
+Fix minification dropping rules after a commented line whose string contains an apostrophe, escaped quote, or parenthesis (e.g. `content: "it's"; // note`).

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

.github/workflows/release.yml

@@ -10,14 +10,16 @@ concurrency: ${{ github.workflow }}-${{ github.ref }}
 jobs:
   release:
     runs-on: ubuntu-latest
+    env:
+      PNPM_CONFIG_VIRTUAL_STORE_TYPE: project
     permissions:
       contents: write
       pull-requests: write
       id-token: write
     steps:
       - uses: actions/checkout@v4
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v6.1.0
 
       - uses: actions/setup-node@v4
         with:

.github/workflows/test.yml

@@ -7,14 +7,20 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    env:
+      PNPM_CONFIG_VIRTUAL_STORE_TYPE: project
     strategy:
       matrix:
+        os: [ubuntu-latest]
         node: ["22", "24"]
+        include:
+          - os: windows-latest
+            node: "24"
     steps:
       - uses: actions/checkout@v4
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v6.1.0
 
       - name: Setup node
         uses: actions/setup-node@v4

package.json

@@ -47,6 +47,8 @@
     "build": "babel src -d lib",
     "test": "jest",
     "test:watch": "pnpm test -- --watch",
+    "bench": "node scripts/bench/index.js",
+    "bench:profile": "node scripts/bench/profile.js",
     "prepublishOnly": "pnpm clean && pnpm build",
     "changeset": "changeset",
     "changeset-publish": "pnpm build && changeset publish"
@@ -60,6 +62,9 @@
     "displayName"
   ],
   "jest": {
+    "roots": [
+      "<rootDir>/test"
+    ],
     "testEnvironment": "node",
     "snapshotSerializers": [
       "<rootDir>/test/whitespaceTrimmingSerializer.js"
@@ -68,5 +73,5 @@
       "fixtures\\/[^/]+\\/(output|error)\\.js"
     ]
   },
-  "packageManager": "pnpm@11.1.3"
+  "packageManager": "pnpm@12.14.0"
 }

patches/babel-test@0.2.4.patch

@@ -0,0 +1,33 @@
+diff --git a/src/index.js b/src/index.js
+index cfe5f4f399845caba48b245b953194dc02d11a81..32edeacdb7dffca0fa5a2233df4f4291d6b5e842 100644
+--- a/src/index.js
++++ b/src/index.js
+@@ -191,13 +191,22 @@ exports.create = function create(config) {
+           filename: error,
+           // Errors might have ansi colors, for example babel codeframe error
+           // Strip them so the error is more readable
+-          // Also replace the current working directory with a placeholder
+-          // This makes sure that the stacktraces are same across machines
++          // Snapshot the message (which carries Babel's code frame), not the
++          // stack: stack frames point into dependency installs outside the
++          // working directory and change with every dependency release.
++          // Also replace the current working directory with a placeholder, in
++          // either separator style and any drive-letter case, and write the
++          // rest of each such path with forward slashes so Windows matches
+           content:
+-            stripAnsi(e.stack).replace(
+-              new RegExp(escapeRegexp(process.cwd()), 'g'),
+-              '<cwd>'
+-            ) + '\n',
++            stripAnsi(String(e))
++              .replace(
++                new RegExp(
++                  escapeRegexp(process.cwd()).replace(/\\\\|\//g, '[\\\\/]'),
++                  'gi'
++                ),
++                '<cwd>'
++              )
++              .replace(/<cwd>[^\s:]*/g, (p) => p.replace(/\\/g, '/')) + '\n',
+           stack,
+         };
+       }