add conditional

weru

02.52.2021 43017287e2a18177b1b0bbde65f695f16c5b984b

add conditional

Signed-off-by: weru <fromweru@gmail.com>

 assets/js/code.js

@@ -158,12 +158,14 @@
}

function toggleLineNumbers(elems) {
  if(elems) {
  elems.forEach(function (elem, index) {
    // mark the code element when there are no lines
    modifyClass(elem, 'pre_nolines')
  });
  restrainCodeBlockHeight(elems);
}
}

function toggleLineWrap(elem) {
  modifyClass(elem, 'pre_wrap');