JavaScript if else 条件混乱

Question

I have below code

if (gridObj.INVOICEORDERNUMBER) {
  if (!cancelledStatus.length && !withDrawn.length) {
    this.gridCmp.editValidation = true;
    this.errorMessage = ErrorMessage.OpenOrderMsg;
  } else {
    this.relatedLicenses = false;
    this.hasDRLPLicense = false;
    this.deletePopupMsg = ErrorMessage.DeletePopupMsg;
    this.showDeletePopup = true;
  }
} else if (this.hasDRLPLicense) {
  this.gridCmp.editValidation = true;
  this.errorMessage2 = ErrorMessage.DRLPLicenseDeleteMsg;
} else {
  this.relatedLicenses = false;
  this.hasDRLPLicense = false;
  this.deletePopupMsg = ErrorMessage.DeletePopupMsg;
  this.showDeletePopup = true;
}

Here I need to check whether both if conditions satisfy or not. With the current approach, I can only check anyone if condition, as it is an if-else , if statement.

What I need to achieve here is

1. If first if condition is satisfied -> show errorMessage
2. If second if condition (else if) satisfied -> show errorMessage2
3. If both satisfied -> show both errorMessage and errorMessage2
4. If none satisfied -> execute else

This might be a stupid question, but my brain is not working any more today. Please help. Thanks

Answer 1

According to the logic you explained, this is the truth table you are looking for:

cond1 | cond2 | errorMessage | errorMessage2 | execute 
------+-------+--------------+---------------+--------
false | false |  NO          |  NO           |  YES
false | true  |  NO          |  YES          |  NO
true  | false |  YES         |  NO           |  NO
true  | true  |  YES         |  YES          |  NO

This is the code which will accomplish it:

if (cond1 || cond2) {
  if (cond1) { 
    // show errorMessage
  }

  if (cond2) { 
    // show errorMessage2
  }
} else {
  // execute ...
}

Answer 2

Try this code.

if (gridObj.INVOICEORDERNUMBER || this.hasDRLPLicense) {
  this.gridCmp.editValidation = true;

  if (gridObj.INVOICEORDERNUMBER && !cancelledStatus.length && !withDrawn.length) {  
    this.errorMessage = ErrorMessage.OpenOrderMsg;
  }
  if (this.hasDRLPLicense) {
    this.errorMessage2 = ErrorMessage.DRLPLicenseDeleteMsg;
  }
} else {
    this.relatedLicenses = false;
    this.hasDRLPLicense = false;
    this.deletePopupMsg = ErrorMessage.DeletePopupMsg;
    this.showDeletePopup = true;
}