[refactor] Check whether UpgradeStrategy is nil and UpgradeStrategy.Type is valid in a single if statement

[kevin85421]

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• I had searched in the issues and found no similar feature requirement.

Description

#2678 (comment)

change

if rayService.Spec.UpgradeStrategy == nil {
  return nil
}

// check UpgradeStrategy.Type

to

if rayService.Spec.UpgradeStrategy != nil {
  // check UpgradeStrategy.Type 
}

or

if rayService.Spec.UpgradeStrategy != nil && (check UpgradeStrategy.Type ){
  ...
}

Use case

No response

Related issues

No response

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

[kevin85421]

This is a fairly simple change. It would be great if the PR could be reviewed this week.

[hcc429]

May I take this? Thanks