monorepo

packages/app/metro.config.js

@@ -0,0 +1,20 @@
+// Learn more https://docs.expo.io/guides/customizing-metro
+const { getDefaultConfig } = require('expo/metro-config');
+const path = require('path');
+
+// Find the workspace root, this can be replaced with `find-yarn-workspace-root`
+const workspaceRoot = path.resolve(__dirname, '../..');
+const projectRoot = __dirname;
+
+const config = getDefaultConfig(projectRoot);
+
+// 1. Watch all files within the monorepo
+config.watchFolders = [workspaceRoot];
+// 2. Let Metro know where to resolve packages, and in what order
+config.resolver.nodeModulesPaths = [
+  path.resolve(projectRoot, 'node_modules'),
+  path.resolve(workspaceRoot, 'node_modules'),
+];
+
+module.exports = config;
+