Angular Play

ng-play.sh

#! /bin/bash

PLAYDIR="$HOME/code/angular/angular-play"

if [ $# -eq 0 ]
then
   echo "Angular Version?"
   read VERSION
else
   VERSION="$1"
fi

echo $VERSION

cd $PLAYDIR
git br | grep "angular_$VERSION"

if [ $? -eq 1 ]
then
   #branch does not exist yet
   git switch "main" --discard-changes
   git reset --hard
   git clean -fd
   rm -rf node_modules

   echo "need to install angular"
   git co -b "angular_$VERSION"

   npx @angular/cli@$VERSION new angular-play --directory=.
   git add .
   git commit -m "new angular template"
fi

git switch "angular_$VERSION" --discard-changes
git reset --hard
git clean -fd

CORE_VERSION=$(cat package.json | jq -r '.dependencies["@angular/core"]')
REQUESTED_VERSION="^$VERSION"

echo $CORE_VERSION
if [[ $CORE_VERSION == $REQUESTED_VERSION.* ]]
then
 echo "already have a template for this version"
 npm install
else
 echo "using different version as previous so need to clean node_modules"
 rm -rf node_modules
 npm install
fi

code .
npx ng serve