next-csrf/example/node_modules/ally.js/supports/css-shadow-piercing-deep-combinator.js

CSRF mitigation library for Next.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

exports.default = function () {
  var combinator = void 0;

  // see https://dev.w3.org/csswg/css-scoping-1/#deep-combinator
  // https://bugzilla.mozilla.org/show_bug.cgi?id=1117572
  // https://code.google.com/p/chromium/issues/detail?id=446051
  try {
    document.querySelector('html >>> :first-child');
    combinator = '>>>';
  } catch (noArrowArrowArrow) {
    try {
      // old syntax supported at least up to Chrome 41
      // https://code.google.com/p/chromium/issues/detail?id=446051
      document.querySelector('html /deep/ :first-child');
      combinator = '/deep/';
    } catch (noDeep) {
      combinator = '';
    }
  }

  return combinator;
};

module.exports = exports['default'];
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