build-bundle like build-kernel but for devices, etc.

scripts/build-bundle.js

@@ -0,0 +1,38 @@
+import bundleSource from '@agoric/bundle-source';
+
+async function main(argv, { open, rollup, resolvePlugin, pathResolve }) {
+  if (argv.length < 4) {
+    throw new Error('usage: bundle startFilename dest');
+  }
+  const [startFilename, dest] = argv.slice(2, 4);
+
+  const { source, sourceMap } = await bundleSource(
+    startFilename,
+    'getExport',
+    { rollup, resolvePlugin, pathResolve },
+  );
+  const actualSource = `export default ${source}\n${sourceMap}`;
+  const f = await open(dest, 'w', 0o644);
+  await f.write(actualSource);
+  await f.close();
+}
+
+
+
+/** Access ambient authority only if invoked as script. */
+if (typeof require !== 'undefined' && typeof module !== 'undefined') {
+  main(process.argv, {
+    open: require('fs').promises.open,
+    rollup: require('rollup').rollup,
+    pathResolve: require('path').resolve,
+    resolvePlugin: require('rollup-plugin-node-resolve'),
+  }).then(
+    _ => process.exit(0),
+    err => {
+      console.log('error creating bundle:');
+      console.log(err);
+      process.exit(1);
+    },
+  );
+}
+