chore: SDA-1623: switch NodeJs dynamically during build (#830)

* SDA-1623: support building using dynamic node versions

* SDA-1623: remove sourcing profile files

* SDA-1623: updated windows batch files for dynamic node version switching

* SDA-1623: add gulp installation on demand

* SDA-1623: fix formatting in package.json

scripts/build-win32.bat

@@ -5,6 +5,7 @@ call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\Tools\VsDevCmd
 echo %PATH%
 
 set DISABLE_REBUILD=true
+set NODE_REQUIRED_VERSION=12.13.1
 
 set PATH=%PATH%;C:\Program Files\nodejs\;C:\Program Files\Git\cmd
 echo %PATH%
@@ -18,6 +19,15 @@ if %ERRORLEVEL% NEQ 0 (
   EXIT /B 1
 )
 
+WHERE nvm
+if %ERRORLEVEL% NEQ 0 (
+  echo "NVM does not exist. Please set it up before running this script."
+  EXIT /B 1
+)
+
+nvm install %NODE_REQUIRED_VERSION%
+nvm use %NODE_REQUIRED_VERSION%
+
 WHERE node
 if %ERRORLEVEL% NEQ 0 (
   echo "NODE does not exist. Please set it up before running this script."
@@ -30,12 +40,17 @@ if %ERRORLEVEL% NEQ 0 (
   EXIT /B 1
 )
 
+call npm i -g gulp-cli
+
 WHERE gulp
 if %ERRORLEVEL% NEQ 0 (
   echo "GULP does not exist. Please set it up before running this script."
   EXIT /B 1
 )
 
+echo "Node version is: "
+call node --version
+
 :: Below command replaces buildVersion with the appropriate build number from jenkins
 sed -i -e "s/\"buildNumber\"[[:space:]]*\:[[:space:]]*\".*\"/\"buildNumber\":\"%PARENT_BUILD_VERSION%\"/g" package.json
 
@@ -46,8 +61,6 @@ echo D | xcopy /y "C:\jenkins\workspace\tronlibraries\library" "library"
 echo "Running npm install..."
 call npm install
 
-call npm i -g gulp-cli
-
 :: Set expiry if required
 IF "%EXPIRY_PERIOD%"=="" (
     echo "Not setting expiry for the build!"