drupal/core/misc/modernizr-additional-tests.js

/**
* DO NOT EDIT THIS FILE.
* See the following change record for more information,
* https://www.drupal.org/node/2815083
* @preserve
**/

(function (Modernizr) {
  var _deprecationErrorModernizrCopy = function _deprecationErrorModernizrCopy(_ref) {
    var message = _ref.message;

    if (typeof console !== 'undefined' && console.warn) {
      console.warn("[Deprecation] ".concat(message));
    }
  };

  var _deprecatedPropertyModernizrCopy = function _deprecatedPropertyModernizrCopy(_ref2) {
    var target = _ref2.target,
        deprecatedProperty = _ref2.deprecatedProperty,
        message = _ref2.message;

    if (!Proxy || !Reflect) {
      return target;
    }

    return new Proxy(target, {
      get: function get(target, key) {
        if (key === deprecatedProperty) {
          _deprecationErrorModernizrCopy({
            message: message
          });
        }

        for (var _len = arguments.length, rest = new Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
          rest[_key - 2] = arguments[_key];
        }

        return Reflect.get.apply(Reflect, [target, key].concat(rest));
      }
    });
  };

  window.Modernizr = _deprecatedPropertyModernizrCopy({
    target: Modernizr,
    deprecatedProperty: 'touchevents',
    message: 'The touchevents property of Modernizr has been deprecated in drupal:9.4.0 and is removed from drupal:10.0.0. There will be no replacement for this feature. See https://www.drupal.org/node/3277381.'
  });

  if (document.documentElement.classList.contains('touchevents') || document.documentElement.classList.contains('no-touchevents')) {
    return;
  }

  Modernizr.addTest('touchevents', function () {
    _deprecationErrorModernizrCopy({
      message: 'The Modernizr touch events test is deprecated in Drupal 9.4.0 and will be removed in Drupal 10.0.0. See https://www.drupal.org/node/3277381 for information on its replacement and how it should be used.'
    });

    var bool;

    if ('ontouchstart' in window || window.DocumentTouch && document instanceof window.DocumentTouch) {
      bool = true;
    } else {
      var query = ['@media (', Modernizr._prefixes.join('touch-enabled),('), 'heartz', ')', '{#modernizr{top:9px;position:absolute}}'].join('');
      Modernizr.testStyles(query, function (node) {
        bool = node.offsetTop === 9;
      });
    }

    return bool;
  });
})(Modernizr);