{"record":{"id":"bcdfcdd291d91f6e","repo":"parallax/jsPDF","slug":"the-option-dataurlnewwindow-just-works-in-a-browse","errorCode":null,"errorMessage":"The option dataurlnewwindow just works in a browser-environment.","messagePattern":"The option dataurlnewwindow just works in a browser-environment\\.","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"src/jspdf.js","lineNumber":3232,"sourceCode":"          Object.prototype.toString.call(globalObject) === \"[object Window]\"\n        ) {\n          var dataURLNewWindow = globalObject.open();\n          if (dataURLNewWindow !== null) {\n            var initializedDataUrlWindow = initializeNewWindow(\n              dataURLNewWindow\n            );\n            var dataUrlFrame = initializedDataUrlWindow.document.createElement(\n              \"iframe\"\n            );\n\n            dataUrlFrame.src = this.output(\"datauristring\", options);\n            initializedDataUrlWindow.body.appendChild(dataUrlFrame);\n            dataURLNewWindow.document.title = options.filename;\n          }\n          if (dataURLNewWindow || typeof safari === \"undefined\")\n            return dataURLNewWindow;\n        } else {\n          throw new Error(\n            \"The option dataurlnewwindow just works in a browser-environment.\"\n          );\n        }\n        break;\n      case \"datauri\":\n      case \"dataurl\":\n        return (globalObject.document.location.href = this.output(\n          \"datauristring\",\n          options\n        ));\n      default:\n        return null;\n    }\n  }));\n\n  /**\n   * Used to see if a supplied hotfix was requested when the pdf instance was created.\n   * @param {string} hotfixName - The name of the hotfix to check.","sourceCodeStart":3214,"sourceCodeEnd":3250,"githubUrl":"https://github.com/parallax/jsPDF/blob/a3930ce03a585a26b2c76d12a0f413ce96f6d1a3/src/jspdf.js#L3214-L3250","documentation":"Thrown by jsPDF.output('dataurlnewwindow') when globalObject is not a browser Window. The target opens a new window and points an iframe at a data URL; without a real window object this is impossible, so the call aborts.","triggerScenarios":"Calling `doc.output('dataurlnewwindow', options)` in Node.js, a worker, SSR, or jsdom lacking a true window. The `[object Window]` check fails and the else branch throws.","commonSituations":"SSR pipelines sharing code with the browser; Node scripts generating PDFs; CI/test runs in Node; headless browser shells without a window global.","solutions":["Use a Node-compatible target in Node: `doc.output('arraybuffer')`, `doc.output('datauristring')`, or `doc.output('blob')` with a polyfill.","Guard the call: only use 'dataurlnewwindow' when `typeof window !== 'undefined'`.","Return the data URL string to the client and open it there instead of doing it server-side."],"exampleFix":"// before\ndoc.output('dataurlnewwindow'); // runs in Node\n// after\nif (typeof window !== 'undefined') {\n  doc.output('dataurlnewwindow');\n} else {\n  const fs = require('fs');\n  fs.writeFileSync('out.pdf', Buffer.from(doc.output('arraybuffer')));\n}","handlingStrategy":"validation","validationCode":"const isBrowser = typeof window !== 'undefined' && Object.prototype.toString.call(window) === '[object Window]';\nif (isBrowser) {\n  doc.output('dataurlnewwindow', options);\n} else {\n  const dataUrl = doc.output('datauristring');\n  // store/return dataUrl for the client to open\n}","typeGuard":"function isBrowserWindow(g) { return Object.prototype.toString.call(g) === '[object Window]'; }","tryCatchPattern":"try { doc.output('dataurlnewwindow', options); }\ncatch (e) { return doc.output('datauristring'); }","preventionTips":["Use datauristring/arraybuffer in Node.","Centralize output-target selection behind an environment-aware helper.","Avoid data URLs for large PDFs even in browsers (length limits)."],"tags":["environment","browser","output","node","ssr"],"backgroundTag":null,"analyzedSha":"a3930ce03a585a26b2c76d12a0f413ce96f6d1a3","analyzedAt":"2026-08-13T05:33:39.648Z","schemaVersion":2},"datasetVersion":"2026-08-13T09:17:06.757Z"}