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

app/scripts/install-manifest.js

@@ -0,0 +1,69 @@
+const fs = require('fs');
+const os = require('os');
+const path = require('path');
+
+const argv = require('minimist')(process.argv.slice(2));
+const mkdirpSync = require('mkdirp').sync;
+
+const MANIFEST_NAME = 'fx_cast_bridge.json';
+const MANIFEST_PATH = path.resolve(__dirname, '../../dist/app', MANIFEST_NAME);
+
+const WIN_REGISTRY_KEY = 'fx_cast_bridge';
+
+let destination = argv.destination;
+
+switch (os.type()) {
+    case 'Darwin': {
+        if (!destination) {
+            const root = argv.root || process.env.HOME;
+            destination = path.resolve(
+                path.join(
+                    root
+                  , 'Library/Application Support/Mozilla/NativeMessagingHosts'
+                )
+            );
+        }
+
+        break;
+    }
+
+    case 'Linux': {
+        if (!destination) {
+            const root = argv.root || `${process.env.HOME}/.`;
+            destination = root.endsWith('/.')
+                ? `${root}mozilla/native-messaging-hosts/`
+                : path.join(root, 'mozilla/native-messaging-hosts/');
+        }
+
+        break;
+    }
+
+    case 'Windows_NT': {
+        const regedit = require('regedit');
+        const destinationManifestPath = path.join(destination, MANIFEST_NAME)
+            || MANIFEST_PATH;
+
+        regedit.putValue({
+            'HKEY_CURRENT_USER\\SOFTWARE\\Mozilla\\NativeMessagingHosts': {
+                [WIN_REGISTRY_KEY]: {
+                    value: destinationManifestPath
+                  , type: 'REG_DEFAULT'
+                }
+            }
+        });
+
+        break;
+    }
+
+    default:
+        console.error('Sorry, this installer does not yet support your OS');
+        process.exit(1);
+}
+
+if (destination) {
+    mkdirpSync(destination);
+    fs.copyFileSync(
+        MANIFEST_PATH
+      , path.join(destination, MANIFEST_NAME)
+    );
+}