next-csrf/example/node_modules/ally.js/amd/util/context-to-element.js

CSRF mitigation library for Next.js

(/* istanbul ignore next */ function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(['module', 'exports', '../util/node-array'], factory);
  } else if (typeof exports !== "undefined") {
    factory(module, exports, require('../util/node-array'));
  } else {
    var mod = {
      exports: {}
    };
    factory(mod, mod.exports, global.nodeArray);
    global.contextToElement = mod.exports;
  }
})(this, function (module, exports, _nodeArray) {
  'use strict';

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

  exports.default = function (_ref) {
    var context = _ref.context,
        _ref$label = _ref.label,
        label = _ref$label === undefined ? 'context-to-element' : _ref$label,
        resolveDocument = _ref.resolveDocument,
        defaultToDocument = _ref.defaultToDocument;

    var element = (0, _nodeArray2.default)(context)[0];

    if (resolveDocument && element && element.nodeType === Node.DOCUMENT_NODE) {
      element = element.documentElement;
    }

    if (!element && defaultToDocument) {
      return document.documentElement;
    }

    if (!element) {
      throw new TypeError(label + ' requires valid options.context');
    }

    if (element.nodeType !== Node.ELEMENT_NODE && element.nodeType !== Node.DOCUMENT_FRAGMENT_NODE) {
      throw new TypeError(label + ' requires options.context to be an Element');
    }

    return element;
  };

  var _nodeArray2 = _interopRequireDefault(_nodeArray);

  function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
      default: obj
    };
  }

  module.exports = exports['default'];
});
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