Install scripts, build app with rollup & configurable mirror app id

app/scripts/build.js

@@ -0,0 +1,48 @@
+const fs = require('fs');
+const os = require('os');
+const path = require('path');
+
+require('@babel/register');
+
+const argv = require('minimist')(process.argv.slice(2));
+const rollup = require('rollup');
+
+const config = require('../rollup/rollup.config').default;
+
+const MANIFEST_NAME = 'fx_cast_bridge.json';
+
+async function build() {
+    const {path: executablePath, platform, ...configOptions} = argv;
+
+    const {output: bundleOutputs, ...bundleOptions} = config(configOptions);
+    const bundle = await rollup.rollup(bundleOptions);
+
+    for (const output of bundleOutputs) {
+        await bundle.write(output);
+        fs.chmodSync(output.file, '755');
+    }
+
+    const targetPlatform = platform || os.type();
+    const launcherExt = targetPlatform.toLowerCase().startsWith('win')
+            ? 'bat'
+            : 'sh';
+    const launcherName = `launcher.${launcherExt}`;
+    const launcherPath = path.join(__dirname, '../../dist', launcherName);
+
+    fs.copyFileSync(path.join(`src`, launcherName), launcherPath);
+
+    const manifest = {
+        ...(JSON.parse(fs.readFileSync(`src/${MANIFEST_NAME}`, 'utf8')))
+      , path: (executablePath || path.resolve(launcherPath))
+    };
+
+    fs.writeFileSync(
+        path.join('../dist/app', MANIFEST_NAME)
+      , JSON.stringify(manifest, null, 4)
+    );
+}
+
+build().catch(e => {
+    console.log("Build failed", e);
+    process.exit(1);
+});