Overleaf/services/web/frontend/js/ide/hotkeys/BackspaceHighjack.js

/* eslint-disable
    max-len,
    no-undef,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
define([], function() {
  const rx = /INPUT|SELECT|TEXTAREA/i

  return $(document).bind('keydown keypress', function(e) {
    if (e.which === 8) {
      // 8 == backspace
      if (
        !rx.test(e.target.tagName) ||
        e.target.disabled ||
        e.target.readOnly
      ) {
        return e.preventDefault()
      }
    }
  })
})