next-csrf/example/node_modules/ally.js/util/get-content-document.js

CSRF mitigation library for Next.js

"use strict";

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

exports.default = function (node) {
  try {
    // works on <object> and <iframe>
    return node.contentDocument
    // works on <object> and <iframe>
    || node.contentWindow && node.contentWindow.document
    // works on <object> and <iframe> that contain SVG
    || node.getSVGDocument && node.getSVGDocument() || null;
  } catch (e) {
    // SecurityError: Failed to read the 'contentDocument' property from 'HTMLObjectElement'
    // also IE may throw member not found exception e.g. on <object type="image/png">
    return null;
  }
};

module.exports = exports["default"];
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