Automatically create a google docs based on template when google sheets new lines

sheets_to_docs.js

// ENV START
const docTemplateId = '';
const docFolderId = '';
const sheetName = '';
// ENV END

function onOpen(){
  initializeMenu();
}

function initializeMenu(){
  SpreadsheetApp.getUi().createMenu('⇩ M E N U ⇩')
    .addItem('👉 Generate Document For All Without Doc Link', 'autoFillAllDocs')
    .addToUi();
}

function autoFillAllDocs(){
  const googleDocTemplate = DriveApp.getFileById(docTemplateId);
  const destinationFolder = DriveApp.getFolderById(docFolderId);
  const sheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName(sheetName);
  const rows = sheet.getDataRange().getDisplayValues();

  let new_docs_count = 0;

  // ALL ROWS
  rows.forEach(function(row, index){
    let linkCol = row.length - 1;

    if (index == 0) return;
    if (row[linkCol] != '') return;

    const copy = googleDocTemplate.makeCopy(`${row[0]} Doc`, destinationFolder);
    const doc = DocumentApp.openById(copy.getId());
    let body = doc.getBody();

    body = replaceBody(body, row);
    doc.saveAndClose();

    const url = doc.getUrl();

    sheet.getRange(index + 1, row.length).setValue(url);
    new_docs_count += 1
  })

  if (new_docs_count == 0) {
    Browser.msgBox("There isn't any new documents to be created.");
  } else {
    Browser.msgBox(`${new_docs_count} new documents created successfully!`);
  }
}

function initializeTrigger(){ // run this only once to create a trigger
  var sheet = SpreadsheetApp.getActive();
  ScriptApp.newTrigger('autoFillDocs')
           .forSpreadsheet(sheet)
           .onChange()
           .create();
}

function autoFillDocs(e){
  const sheet = e.source.getActiveSheet();
  if (sheet.getName() != sheetName) return;

  if (e.changeType == 'INSERT_ROW'){
    const googleDocTemplate = DriveApp.getFileById(docTemplateId);
    const destinationFolder = DriveApp.getFolderById(docFolderId);
    const lastRow = sheet.getLastRow();
    const lastCol = sheet.getLastColumn();
    const lastCell = sheet.getRange(lastRow, lastColumn).getValue();
    const linkCol = lastCell.length - 1;

    // Only last row
    if (lastCell[linkCol] != '') return;

    const copy = googleDocTemplate.makeCopy(`${lastCell[0]} Doc`, destinationFolder);
    const doc = DocumentApp.openById(copy.getId());
    let body = doc.getBody();

    body = replaceBody(body, lastCell);
    doc.saveAndClose();

    const url = doc.getUrl();
    sheet.getRange(lastRow + 1, lastCell.length).setValue(url);
  } else if (e.changeType == 'EDIT') {
    const activeRange = sheet.getActiveRange();
    const range = sheet.getRange(activeRange.getRow(), 1, 1, sheet.getLastColumn())
    const editRow = range.getValues().flat();
    let title, msg = ''

    if (editRow[editRow.length - 1] != '') {
      title = 'Update Link';
      msg = "You edit a line that already has a generated document, should I generate again? (I won't delete current)";
    } else {
      title = 'Generate Link';
      msg = "You edit a line that doesn't have a generated doc, should I generate?";
    }

    response = Browser.msgBox(title, msg, Browser.Buttons.YES_NO)
    if (response == 'yes') {
      const googleDocTemplate = DriveApp.getFileById(docTemplateId);
      const destinationFolder = DriveApp.getFolderById(docFolderId);
      const copy = googleDocTemplate.makeCopy(`${editRow[0]} Doc`, destinationFolder);
      const doc = DocumentApp.openById(copy.getId());
      let body = doc.getBody();

      body = replaceBody(body, editRow);
      doc.saveAndClose();

      const url = doc.getUrl();
      sheet.getRange(activeRange.getRow(), editRow.length).setValue(url);
      e.source.toast('Document created successfully!');
    }
  }
}

function replaceBody(body, row){
  // Replace with your sheets columns here
  // On Doc Template you must use same syntax to refer the info like -> Name: {{Name}}
  body.replaceText('{{Name}}', row[0])
  body.replaceText('{{Last_Name}}', row[1])
  body.replaceText('{{Social_ID}}', row[2])
  body.replaceText('{{Date_Time}}', row[3])
  body.replaceText('{{Company}}', row[4])
  body.replaceText('{{Email}}', row[5])

  return body
}