How to use

defineExtension

function

in

Editor

Editor.defineExtension('warning', function() {
  Editor.codeBlockManager.setReplacer('!', function (code) {
    return `<div class="warning"><div class="warning-circle"></div>${code}</div>`;
  });
});

Editor.defineExtension('warning', function() {
  Editor.codeBlockManager.setReplacer('!', function (code) {
    return `<div class="warning"><div class="warning-circle"></div>${code}</div>`;
  });
});