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I am working on this project part that creates an object based on the template and pushes it to an array and will run based on the amount of line items I have. There is a tag HL that is a hierarchal loop the first element in that tags element array needs to change depending on how many hierarchal loops are created. The issue is that when I update the array of elements elements[0] = hlcount; it updates the other object in the obj array. (sorry I am bad at explaining this) Please see code and output and expected output. What am I doing wrong here?

let hlcount = 1;
function hl_I(hl){
  //console.log(maps);
  for(x in hl){
    let tag = x;
    let elements = hl[x]
    if( tag == "HL"){
      console.log(hlcount);
      elements[0] = hlcount;
    }
    //console.log(tag + elements);
    obj.push({"tag":tag, "elements":elements});
    }

    hlcount++;

}


let hlp = map.structure.HL_P;
let hli = map.structure.HL_I;
for(l in translation.LineItem){
  hl_I(hlp);
  hl_I(hli);
}
console.log(obj);

Output:
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[
  { tag: 'HL', elements: [ 3, '2', 'P' ] },
  { tag: 'MAN', elements: [ 'CP', '1ZT912T80392186383' ] },
  { tag: 'HL', elements: [ 4, '3', 'I' ] },
  { tag: 'LIN', elements: [ '1', 'SK', '{sku}' ] },
  { tag: 'SN1', elements: [ ',', 'qty', 'EA' ] },
  { tag: 'PID', elements: [ 'F', '08', '', '', 'CFMT160-BRONZE' ] },
  { tag: 'N1', elements: [ 'CT', 'United States' ] },
  { tag: 'N4', elements: [ '', '', '', 'USA' ] },
  { tag: 'HL', elements: [ 3, '2', 'P' ] },
  { tag: 'MAN', elements: [ 'CP', '1ZT912T80392186383' ] },
  { tag: 'HL', elements: [ 4, '3', 'I' ] },
  { tag: 'LIN', elements: [ '1', 'SK', '{sku}' ] },
  { tag: 'SN1', elements: [ ',', 'qty', 'EA' ] },
  { tag: 'PID', elements: [ 'F', '08', '', '', 'CFMT160-BRONZE' ] },
  { tag: 'N1', elements: [ 'CT', 'United States' ] },
  { tag: 'N4', elements: [ '', '', '', 'USA' ] }
]

Expected output:
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[
  { tag: 'HL', elements: [ 1, '2', 'P' ] },
  { tag: 'MAN', elements: [ 'CP', '1ZT912T80392186383' ] },
  { tag: 'HL', elements: [ 2, '3', 'I' ] },
  { tag: 'LIN', elements: [ '1', 'SK', '{sku}' ] },
  { tag: 'SN1', elements: [ ',', 'qty', 'EA' ] },
  { tag: 'PID', elements: [ 'F', '08', '', '', 'CFMT160-BRONZE' ] },
  { tag: 'N1', elements: [ 'CT', 'United States' ] },
  { tag: 'N4', elements: [ '', '', '', 'USA' ] },
  { tag: 'HL', elements: [ 3, '2', 'P' ] },
  { tag: 'MAN', elements: [ 'CP', '1ZT912T80392186383' ] },
  { tag: 'HL', elements: [ 4, '3', 'I' ] },
  { tag: 'LIN', elements: [ '1', 'SK', '{sku}' ] },
  { tag: 'SN1', elements: [ ',', 'qty', 'EA' ] },
  { tag: 'PID', elements: [ 'F', '08', '', '', 'CFMT160-BRONZE' ] },
  { tag: 'N1', elements: [ 'CT', 'United States' ] },
  { tag: 'N4', elements: [ '', '', '', 'USA' ] }
]
AceWright39
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  • Welcome. Please see [How to ask](https://stackoverflow.com/help/how-to-ask) and take the [tour](https://stackoverflow.com/tour). You should add [minimal reproducible code](https://stackoverflow.com/help/minimal-reproducible-example) – DecPK Nov 20 '21 at 01:16
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    This might help: [*Is JavaScript a pass-by-reference or pass-by-value language?*](https://stackoverflow.com/questions/518000/is-javascript-a-pass-by-reference-or-pass-by-value-language?r=SearchResults&s=1|404.1536) – RobG Nov 20 '21 at 01:28

0 Answers0