GAS Class SpreadsheetApp : Append Row and Merge Cell - google-apps-script

Question

I wish it was this simple but this doesn't work.
sheet.appendRow(['MERGE', '']).merge();
How can I achieve this?

Answer 1

The method merge() needs to be applied to a range object.
One possibility to do so would be:
function myFunction() {
var sheet = SpreadsheetApp.getActive().getActiveSheet();
var newRow=sheet.getLastRow()+1;
// the range dimensions should match the value array dimensions
var range=sheet.getRange(newRow,1,1,2);
range.setValues([['MERGE', '']]);
range.merge();
}
References:
getRange()
setValues()
merge()
getLastRow()

Answer 2

Append Row
This is just a simple of example of find a row with todays date and appending it to another sheet. In this example, I also delete the current row in the source sheet this making it more of a move command.
function findingRowsAndAppendingToAnotherSheet() {
var ss=SpreadsheetApp.getActive();
var ssh=ss.getSheetByName('Sheet1');
var dsh=ss.getSheetByName('Sheet2');
var srg=ssh.getRange(2,1,ssh.getLastRow()-1,ssh.getLastColumn());
var vA=srg.getValues();
var cdv=new Date(new Date().getFullYear(),new Date().getMonth(),new Date().getDate()).valueOf();
var d=0;
for(var i=0;i<vA.length;i++) {
var dd=new Date(vA[i][0]);
var ddv=new Date(dd.getFullYear(),dd.getMonth(),dd.getDate()).valueOf();
if(ddv==cdv) {
dsh.appendRow(vA[i]);//Appends row with current date to dsh
ssh.deleteRow(i+2-d++);//Deletes ssh current row. Effectively making this a move instead of a copy
}
}
}
Sheet1 & 2 Before Running
Sheet1 & 2 After Running