Add sass-embedded-linux-unknown and sass-embedded-unknown-unknown packages

Author: ntkme

npm/linux-unknown/README.md

@@ -0,0 +1,3 @@
+# `sass-embedded-linux-unknown`
+
+This is the **dart2js** binary for [`sass-embedded`](https://www.npmjs.com/package/sass-embedded)

npm/linux-unknown/package.json

@@ -0,0 +1,24 @@
+{
+  "name": "sass-embedded-linux-unknown",
+  "version": "1.83.4",
+  "description": "The dart2js binary for sass-embedded",
+  "repository": "sass/embedded-host-node",
+  "author": "Google Inc.",
+  "license": "MIT",
+  "dependencies": {
+    "sass": "1.83.4"
+  },
+  "engines": {
+    "node": ">=14.0.0"
+  },
+  "os": [
+    "linux"
+  ],
+  "cpu": [
+    "!arm",
+    "!arm64",
+    "!ia32",
+    "!riscv64",
+    "!x64"
+  ]
+}

npm/unknown-unknown/README.md

@@ -0,0 +1,3 @@
+# `sass-embedded-unknown-unknown`
+
+This is the **dart2js** binary for [`sass-embedded`](https://www.npmjs.com/package/sass-embedded)

npm/unknown-unknown/package.json

@@ -0,0 +1,19 @@
+{
+  "name": "sass-embedded-unknown-unknown",
+  "version": "1.83.4",
+  "description": "The dart2js binary for sass-embedded",
+  "repository": "sass/embedded-host-node",
+  "author": "Google Inc.",
+  "license": "MIT",
+  "dependencies": {
+    "sass": "1.83.4"
+  },
+  "engines": {
+    "node": ">=14.0.0"
+  },
+  "os": [
+    "!darwin",
+    "!linux",
+    "!win32"
+  ]
+}

package.json

@@ -55,9 +55,11 @@
     "sass-embedded-linux-musl-ia32": "1.83.4",
     "sass-embedded-linux-musl-riscv64": "1.83.4",
     "sass-embedded-linux-musl-x64": "1.83.4",
+    "sass-embedded-linux-unknown": "1.83.4",
     "sass-embedded-win32-arm64": "1.83.4",
     "sass-embedded-win32-ia32": "1.83.4",
-    "sass-embedded-win32-x64": "1.83.4"
+    "sass-embedded-win32-x64": "1.83.4",
+    "sass-embedded-unknown-unknown": "1.83.4"
   },
   "dependencies": {
     "@bufbuild/protobuf": "^2.0.0",

tool/prepare-optional-release.ts

@@ -123,13 +123,25 @@ void (async () => {
       );
     }
 
+    const outPath = p.join('npm', argv.package);
+    if (argv.package.indexOf('unknown') !== -1) {
+      const pkg = JSON.parse(
+        (await fs.readFile(p.join(outPath, 'package.json'))).toString(),
+      );
+      if (pkg.version !== pkg.dependencies.sass) {
+        throw Error(`dependency sass's version doesn't match ${pkg.version}`);
+      }
+
+      // Skip downloading for platform running dart2js.
+      return;
+    }
+
     const index = argv.package.lastIndexOf('-');
     const nodePlatform = argv.package.substring(0, index);
     const nodeArch = argv.package.substring(index + 1);
     const dartPlatform = nodePlatformToDartPlatform(nodePlatform);
     const dartArch = nodeArchToDartArch(nodeArch);
     const isMusl = nodePlatform === 'linux-musl';
-    const outPath = p.join('npm', argv.package);
     await downloadRelease({
       repo: 'dart-sass',
       assetUrl: