React Native Offline Bundle (for by-passing Metro server)

bundle-install.sh

#!/bin/bash

##
# Use the script to install a pre-bundled RN app which won't require the development server
#
# Usage
# ---------------------------------
# $ ./bundle-install.sh
#

environment="debug"

if [ -z "$1" ]
then
  echo "You may provide an 'environment' as 1st arg:  debug | release.  Defaulting to debug"
else
  # Strip trailing /
  environment=$(echo $1 | tr -s /)
  environment=${environment%/}
fi

dev="false"

if [[ "$environment" == "debug" ]]; then
  dev="true"
fi

echo "npx react-native bundle --platform android --dev $dev"

# Have to make sure this dir exists, sucks.
assets_path="./android/app/src/main/assets"
if [ ! -d "$assets_path" ]
then
    mkdir "$assets_path"
fi

environment=`echo ${environment:0:1} | tr  '[a-z]' '[A-Z]'`${environment:1}

cmd="install$environment"

# And away we go:  Bundle the RN Javascript!
npx react-native bundle --platform android \
  --dev "$dev" \
  --entry-file index.js \
  --bundle-output ./android/app/src/main/assets/index.android.bundle \
  --assets-dest ./android/app/src/main/res

# Remove resources or you get "Duplicate Resource error"
# https://stackoverflow.com/questions/53239705/react-native-error-duplicate-resources-android
rm -rf ./android/app/src/main/res/drawable-*
rm -rf ./android/app/src/main/res/raw/

# Now ./gradlew
cd android
echo ""
echo "./gradlew $cmd"

./gradlew "$cmd"