Auto Publish community on LWC changes

autoPublishCommunityOnLwcChanges.sh

#!/bin/bash

# Validates command line arguments to make sure everything looks correct.
validateArguments() {
  if [ "$lwcFolderToWatch" = "" ] || [ "$orgUserNameOrAlias" = "" ] || [ "$communityToPublish" = "" ]; then
    echo "Error: Incorrect number of arguments. Please provide exactly 3 arguments."
    exit 1  
  fi  
}

# Retrieves org base url with org alias passed as argument. Also removes, "https://" part from it.
getOrgBaseUrl() {
  echo $(SF_JSON_TO_STDOUT=true sf org display --target-org $orgUserNameOrAlias --json 2> /dev/null | jq '.result.instanceUrl' -r | awk -F[/:] '{print $4}')
}

# Validates that we have a non empty org base url. If not, throws error.
validateOrgUrl() {
  if [[ -z "${orgBaseUrl}" || "${orgBaseUrl}" == " " ]]; then
      echo "There was an error in getting base url of the org. Please verify."
      exit 1
  fi
}

# Checks if file/directory changed by doing shasum
hashChanged() {
  echo $(mtree -c -K sha256digest -p "$1" | sed '4d' | shasum)
}

# Checks if there is a network connection open to org from vscode (Code).
isNetworkConnOpenToOrg() {
  echo $(lsof -i | grep -i 'Code\\x20H' | grep -o $orgBaseUrl)
}

# Polls network connection to check if connection status is as expected.
# Expects number of seconds to wait as argument until status changes to expected status.
pollNetworkConn() {
  local noOfSecondsToWait=$1
  local expectedConnStatus=$2
  local noOfSecondsElapsed=0
  local connStatusMatchesExpectedVal=false

  while [ $noOfSecondsElapsed -lt $noOfSecondsToWait ]; do
    if [ "$(isNetworkConnOpenToOrg)" = "$expectedConnStatus" ]; then
      connStatusMatchesExpectedVal=true
      break
    else
      sleep 1
      let "noOfSecondsElapsed+=1"
    fi
  done

  echo $connStatusMatchesExpectedVal
}

# Checks if deploy started in given time limit.
hasDeployStartedInTime() {
  local deployStarted=$(pollNetworkConn $noOfSecondsToWaitForDeployToStart $orgBaseUrl)
  echo $deployStarted
  return 0
}

# Checks if deploy finished in given time limit.
hasDeployFinishedInTime() {
  local deployFinished=$(pollNetworkConn $noOfSecondsToWaitForDeployToFinish)
  echo $deployFinished
  return 0
}

# Publishes community.
publishCommunity() {
  sf community publish --name "$communityToPublish"
}

# Main function that watches and publishes community
watchAndDeploy() {
  local oldHash=$(hashChanged $lwcFolderToWatch)
  while true; do
    local newHash=$(hashChanged $lwcFolderToWatch)
    if [ "$oldHash" != "$newHash" ]; then
      echo "Change detected"
      oldHash="$newHash"
      
      echo "Waiting for deploy to start in $noOfSecondsToWaitForDeployToStart seconds.."
      local deployStarted=$(hasDeployStartedInTime)

      if [ $deployStarted = "true" ]; then
        echo "Deploy Started"
        echo "Waiting for deploy to finish in $noOfSecondsToWaitForDeployToFinish seconds.."
        if [ $(hasDeployFinishedInTime) = "true" ]; then
          echo "Deploy finished in time. Publishing community now."
          publishCommunity
        else
          echo "Deploy didn't finish in time."
        fi
      else
        echo "Deploy did not start in time."
      fi
    fi
    sleep 1
  done
}

lwcFolderToWatch=$1
orgUserNameOrAlias=$2
communityToPublish=$3
noOfSecondsToWaitForDeployToStart=60
noOfSecondsToWaitForDeployToFinish=180

validateArguments
orgBaseUrl=$(getOrgBaseUrl)
validateOrgUrl
watchAndDeploy