local-install.sh script for development purposes (#111)

* local-install.sh script for development purposes

* code review changes

Author: greghuels

scripts/local-install.sh

@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+set -eo pipefail
+
+## usage: local-install.sh <package-to-install-dir> <consuming-app-dir>'
+##
+## examples:
+##
+##  Install js-client-sdk-common changes into js-client-sdk:
+##   ./scripts/local-install.sh . ../js-client-sdk
+##
+##  Install js-client-sdk changes into a test app
+##   ./scripts/local-install.sh ../js-client-sdk ../test-apps/my-react-app
+##
+##  Install js-client-sdk-common changes into a test app
+##   ./scripts/local-install.sh . ../js-client-sdk && ./scripts/local-install.sh ../js-client-sdk ../test-apps/my-react-app
+
+if ! command -v jq &> /dev/null; then
+  echo "jq must be installed before using this script"
+  exit 1
+fi
+
+if [[ "$1" = "" || "$2" = "" ]]; then
+  echo 'usage: local-install.sh <package-to-install-dir> <consuming-app-dir>'
+  exit 1
+fi
+
+if [ ! -d "$1" ]; then
+  echo "$1 is not a directory"
+  exit 1
+fi
+
+if [ ! -f "$1/package.json" ]; then
+  echo "$1 is not an npm package"
+  exit 1
+fi
+
+if [ ! -d "$2" ]; then
+  echo "$2 is not a directory"
+  exit 1
+fi
+
+if [ ! -f "$2/package.json" ]; then
+  echo "$2 is not an npm package"
+  exit 1
+fi
+
+### Create local package via "npm pack"
+pushd "$1" > /dev/null
+mkdir -p /tmp/packages
+PACKAGE_DIR=/tmp/packages/"$(basename "$(pwd)")"
+rm -rf "${PACKAGE_DIR}" /tmp/pack.out && npm pack > /tmp/pack.out
+COMPRESSED_PACKAGE="$(tail -1 /tmp/pack.out)"
+tar -xzf "${COMPRESSED_PACKAGE}"
+rm "${COMPRESSED_PACKAGE}"
+mv package "${PACKAGE_DIR}"
+PACKAGE_NAME=$(cat ./package.json | jq -r '.name')
+popd > /dev/null
+
+### Install local package to target package
+pushd "$2" > /dev/null
+TARGET_DIR="$(pwd)"
+rm -rf node_modules/.cache
+yarn remove "${PACKAGE_NAME}"
+yarn add "${PACKAGE_DIR}" --exact
+popd > /dev/null
+
+echo "$PACKAGE_DIR installed in $TARGET_DIR"