Final (for now), filtering for all the things

columnsExportText.gs

function columnsExportText() {
  //create main array to store data
  var everything = [];
  
  // get values from active sheet
  var sheets = SpreadsheetApp.getActiveSpreadsheet().getSheets();
  
  // loop over each tab/sheet
  for (var j = 0; j < sheets.length ; j++ ) {
    var collected = []; // array to collect each loop
    var sheet = sheets[j];
    var tabName = sheet.getName();
    var range = sheet.getRange(2, 1, sheet.getLastRow() -1, 2); // checks from row 2, column one, to last row, column 2
    var data = range.getValues();
    // loop through and add info to collection with format of Text : "Text"
    var i = data.length;
    while (i--) {
      if ((data[i][0] != "") && (data[i][1] != "")) // only collects if both column one and two are not empty
      collected[i] = ('\n' + data[i][0] + ' : "' + data[i][1] + '"');
      completedLoop = "\n" + tabName + " :\n{" + collected.filter(Boolean); //filters out blank or incomplete rows
    }

    var everything = everything.concat(completedLoop + "\n}");
  }
  
  // create date, format string, and name the file
  var formattedDate = Utilities.formatDate(new Date(), "GMT", "yyyy-MM-dd-HH:mm");
  var exportString = everything;
  var docName = "Exported-Data-" + formattedDate;
  
  //export
  var exportToText = DriveApp.createFile(docName, exportString, MimeType.PLAIN_TEXT);
}