Bash script that generates containers for Redux apps. The directories it uses are not configurable at the moment - if you have user `create-react-app` it will work for you.

create_container.sh

#!/bin/bash

# USAGE (cd utility/ first!): ./create_container.sh -n <CONTAINER_NAME> -a <ACTION_1> (-a <ACTION_2>...)

RED='\033[0;31m'
GREEN='\033[0;32m'
NC='\033[0m'

SRC_PATH=../src
CONTAINERS_PATH=${SRC_PATH}/containers
GLOBAL_REDUCER_FILE=${SRC_PATH}/global-reducer.jsx

function join_by {
  # function that joins the given array by the splitter given.
  local IFS="$1"; shift; echo "$*";
}

# Get the arguments
while getopts ":n:a:" opt; do
  case $opt in
    n) CONTAINER_NAME="$OPTARG";;
    a) ACTIONS+=($OPTARG);;
    \?) echo "${RED}Invalid option -$OPTARG ${NC}" >&2;;
  esac
done
shift $((OPTIND -1))

# Uppercase all actions
ACTIONS_UPPERCASED=()
if [[ ${#ACTIONS[@]} = 0 ]]; then
  echo "No actions provided..."
else
  for ACTION in "${ACTIONS[@]}"; do
    ACTION_NAME=$(echo "${ACTION}" | tr '[:lower:]' '[:upper:]')
    ACTIONS_UPPERCASED=("${ACTIONS_UPPERCASED[@]}" "${ACTION_NAME}")
  done
fi

# Check if the container starts with Uppercase
re='[A-Z]'
if [[ ${CONTAINER_NAME::1} =~ $re ]]; then
    echo -e "${GREEN}Container ${CONTAINER_NAME} will be generated...${NC}"
else
    echo -e "${RED}Containers must start with Uppercase!${NC}"
    exit 99
fi

# Generate files
CONTAINER_DIR_PATH=${CONTAINERS_PATH}/${CONTAINER_NAME}
mkdir ${CONTAINER_DIR_PATH}
touch ${CONTAINER_DIR_PATH}/component.jsx \
      ${CONTAINER_DIR_PATH}/reducer.jsx \
      ${CONTAINER_DIR_PATH}/actions.jsx \
      ${CONTAINER_DIR_PATH}/constants.js \
      ${CONTAINER_DIR_PATH}/sagas.jsx \
      ${CONTAINER_DIR_PATH}/services.jsx

# Generate initial code for component
COMPONENT=${CONTAINER_DIR_PATH}/component.jsx

COMPONENT_CONFIG=$( cat <<SETVAR
import React from 'react';
import { connect } from 'react-redux';

export class ${CONTAINER_NAME} extends React.Component {
  constructor(props) {
      super(props);
  }
  render() {
    return ()
  }
};

export default connect()(${CONTAINER_NAME});
SETVAR
)
echo -e "${COMPONENT_CONFIG}" > ${COMPONENT}

# Generate initial code for reducer
REDUCER=${CONTAINER_DIR_PATH}/reducer.jsx
# Lower the first letter of the component
CONTAINER_LOWER_FIRST_LETTER="$(echo ${CONTAINER_NAME::1} | tr [:upper:] [:lower:])"${CONTAINER_NAME:1}
REDUCER_NAME=${CONTAINER_LOWER_FIRST_LETTER}"Reducer"  # <GivenName> -> <givenName>Reducer

ACTIONS_STRING=$(join_by , "${ACTIONS_UPPERCASED[@]}")  # ACTION_1,ACTION_2,ACTION_3...

ACTION_CASES=()
for ACTION in "${ACTIONS_UPPERCASED[@]}"; do
ACTION_CASE=$( cat <<SETVAR
    case ${ACTION}:
      return {
        // Object.assign({}, state, ...)
      };\n
SETVAR
)
ACTION_CASES=("${ACTION_CASES[@]}""${ACTION_CASE}")
done

REDUCER_CONFIG=$( cat <<SETVAR
import { ${ACTIONS_STRING} } from './constants';

const ${REDUCER_NAME} = (state = {}, action) => {
  switch(action.type) {
${ACTION_CASES[@]}
    default:
      return state;
  }
};

export default ${REDUCER_NAME};
SETVAR
)
echo -e "${REDUCER_CONFIG}" > ${REDUCER}

REDUCER_PATH="'"./containers/${CONTAINER_NAME}/reducer"'"  # think of better way to do this!
# Import the new reducer in the global reducer
echo -e "$(awk -v reducer="${REDUCER_NAME}" \
               -v reducer_path="${REDUCER_PATH}" \
               '/import '"{"' combineReducers '"}"' from/ { print; print "import "'"reducer"'" from "'"reducer_path"'";"; next }1' \
               ${GLOBAL_REDUCER_FILE})" > ${GLOBAL_REDUCER_FILE}

# Add the new reducer to the global reducer
echo -e "$(awk -v container="${CONTAINER_LOWER_FIRST_LETTER}" \
               -v reducer="${REDUCER_NAME}" \
               '/const appReducer = combineReducers/ { print; print "  "'"container"'": "'"reducer"'","; next }1' \
               ${GLOBAL_REDUCER_FILE})" > ${GLOBAL_REDUCER_FILE}

# Add the actions to the constants file
CONSTANTS_FILE=${CONTAINER_DIR_PATH}/constants.js
for ACTION in "${ACTIONS_UPPERCASED[@]}"; do
  echo -e "export const ${ACTION} = '${ACTION}';" >> ${CONSTANTS_FILE}
done