Toggle warnings in VSCode notebook

toggle_notebook_warnings.py

from IPython.display import HTML

script = """
<script>
var code_show_err = false;
var code_toggle_err = function(){
  var stderrNodes = document.querySelectorAll('[output-mime-type="application/vnd.code.notebook.stderr"]')
  var stderr = Array.from(stderrNodes)
  if (code_show_err) {
    stderr.forEach(ele => ele.style.display = 'block');
  } else {
    stderr.forEach(ele => ele.style.display = 'none');
  }
  code_show_err = !code_show_err
}
document.addEventListener('DOMContentLoaded', code_toggle_err);
</script>
To toggle on/off output_stderr, click <a onclick="javascript:code_toggle_err()">here</a>.
"""

def show_warning_disabler():
    return HTML(script)