fix: add "use strict"; to style macro cjs output

.parcelrc

@@ -23,6 +23,7 @@
     "*.html": "parcel-packager-ssg"
   },
   "optimizers": {
-    "*.js": ["@parcel/optimizer-terser"]
+    "*.js": ["@parcel/optimizer-terser"],
+    "**/spectrum-theme.cjs": ["parcel-optimizer-strict-mode"]
   }
 }

.parcelrc-build

@@ -16,5 +16,8 @@
       "@parcel/transformer-react-refresh-wrap"
     ]
   },
-  "namers": ["parcel-namer-s2", "parcel-namer-intl", "..."]
+  "namers": ["parcel-namer-s2", "parcel-namer-intl", "..."],
+  "optimizers": {
+    "**/spectrum-theme.cjs": ["parcel-optimizer-strict-mode"]
+  }
 }

packages/dev/parcel-optimizer-strict-mode/StrictModeOptimizer.ts

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2024 Adobe. All rights reserved.
+ * This file is licensed to you under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License. You may obtain a copy
+ * of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under
+ * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
+ * OF ANY KIND, either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ */
+
+const {Optimizer} = require('@parcel/plugin');
+
+export default new Optimizer({
+  async optimize({bundle, contents, map}) {
+    if (bundle.target.env.outputFormat !== 'commonjs') {
+      return {contents, map};
+    }
+
+    let newContents = `"use strict";\n${contents}`;
+
+    if (map) {
+      map.offsetLines(1, 1);
+    }
+
+    return {
+      contents: newContents,
+      map
+    };
+  }
+});

packages/dev/parcel-optimizer-strict-mode/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "parcel-optimizer-strict-mode",
+  "version": "1.0.0",
+  "private": true,
+  "main": "StrictModeOptimizer.ts",
+  "engines": {
+    "parcel": "2.0.0"
+  },
+  "dependencies": {
+    "@parcel/plugin": "2.0.0"
+  }
+}

yarn.lock

@@ -27202,6 +27202,14 @@ __metadata:
   languageName: unknown
   linkType: soft
 
+"parcel-optimizer-strict-mode@workspace:packages/dev/parcel-optimizer-strict-mode":
+  version: 0.0.0-use.local
+  resolution: "parcel-optimizer-strict-mode@workspace:packages/dev/parcel-optimizer-strict-mode"
+  dependencies:
+    "@parcel/plugin": "npm:2.0.0"
+  languageName: unknown
+  linkType: soft
+
 "parcel-packager-docs@workspace:packages/dev/parcel-packager-docs":
   version: 0.0.0-use.local
   resolution: "parcel-packager-docs@workspace:packages/dev/parcel-packager-docs"