feat: Implemenent --asset flag handling (#3)

Author: BYK

.github/workflows/build.yml

@@ -80,3 +80,12 @@ jobs:
       - name: Smoke test
         run: |
             node dist/cli.js
+
+      - name: Test with asset
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        run: |
+            cd test
+            node ../dist/cli.js -a asset.txt --no-bundle sample.cjs
+            expected=$(cat asset.txt)
+            actual=$(./dist-bin/sample-linux-x64)
+            [ "$actual" = "$expected" ]

src/impl.ts

@@ -177,6 +177,14 @@ export default async function (
     }
   }
 
+  if (flags.assets) {
+    seaConfig.assets = seaConfig.assets || {};
+    for (const asset of flags.assets) {
+      const assetPath = path.resolve(asset);
+      seaConfig.assets[asset] = assetPath;
+    }
+  }
+
   await fs.writeFile(seaConfigPath, JSON.stringify(seaConfig));
   const targetNodeBinary = await getNodeBinary(
     flags.nodeVersion,

test/asset.txt

@@ -0,0 +1 @@
+Hello world!

test/sample.cjs

@@ -0,0 +1,2 @@
+const sea = require('node:sea');
+console.log(new TextDecoder().decode(sea.getRawAsset('asset.txt')));