android Source map 打包
node node_modules/react-native/local-cli/cli.js bundle --entry-file index.js --platform android --dev false --reset-cache  --bundle-output android.bundle  --sourcemap-output android.bundle.map

iOS Source map 打包
node node_modules/react-native/local-cli/cli.js bundle --entry-file index.js --platform ios --dev false --reset-cache  --bundle-output ios.bundle --sourcemap-output ios.bundle.map