gistfile1.txt

function formatedDate(offset = 7) {
  da = new Date();
  da.setDate(da.getDate() - offset);

  y = da.getFullYear();
  m = da.toLocaleString("default", { month: "long" });
  d = da.getDate();
  ord = "";
  switch (da.getDate()) {
    case 1:
    case 21:
      ord = "st";
      break;
    case 2:
    case 22:
    case 32:
      ord = "nd";
      break;
    case 3:
    case 33:
      ord = "rd";
      break;
    default:
      ord = "th";
  }
  ord += ",";
  d += ord;
  f = [m, d, y].join(" ");
  return f;
}

a = ["Three Days Ago [[", formatedDate(3), "]]"].join("");
b = ["One Week Ago [[", formatedDate(7), "]]"].join("");
c = ["One Moon Ago [[", formatedDate(28), "]]"].join("");

r = `-Retrospective:
    - ${a}
    - ${b}
    - ${c}`