Node.js throws an error when a survey contains an HTML question

[JaneSjs]

The following exception is raised when a survey contains HTML questions:

(node:12576) UnhandledPromiseRejectionWarning: ReferenceError: document is not defined
    at D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:11374:11
    at process (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:11383:10)
    at Object.jsPDFAPI.fromHTML (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:11921:14)
    at D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:484:54
    at new Promise (<anonymous>)
    at Function.<anonymous> (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:483:46)
    at step (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:222:27)
    at Object.next (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:171:53)
    at D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:164:71
    at new Promise (<anonymous>)
(Use node --trace-warnings ... to show where the warning was created)
(node:12576) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 2)
(node:12576) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

[JaneSjs]

The following exception occurs when a document contains Signature Pad:

(node:6868) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'data' of undefined
    at e.__addimage__.getImageFileTypeByImageData (D:\code-examples\surveyjs-pdf-nodejs\node_modules\jspdf\dist\jspdf.node.min.js:115:637)
    at Object._ (D:\code-examples\surveyjs-pdf-nodejs\node_modules\jspdf\dist\jspdf.node.min.js:115:8196)
    at Object.e.addImage (D:\code-examples\surveyjs-pdf-nodejs\node_modules\jspdf\dist\jspdf.node.min.js:115:7975)
    at D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:4284:50
    at new Promise (<anonymous>)
    at ImageBrick.<anonymous> (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:4283:50)
    at step (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:222:27)
    at Object.next (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:171:53)
    at D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:164:71
    at new Promise (<anonymous>)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:6868) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled 
promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 2)
(node:6868) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

When a survey contains an Image:

(node:27556) UnhandledPromiseRejectionWarning: Error: addImage does not support files of type 'UNKNOWN', please ensure that a plugin for 'UNKNOWN' support is added.
    at Object._ (D:\code-examples\surveyjs-pdf-nodejs\node_modules\jspdf\dist\jspdf.node.min.js:115:8215)
    at Object.e.addImage (D:\code-examples\surveyjs-pdf-nodejs\node_modules\jspdf\dist\jspdf.node.min.js:115:7975)
    at D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:4284:50
    at new Promise (<anonymous>)
    at ImageBrick.<anonymous> (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:4283:50)
    at step (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:222:27)
    at Object.next (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:171:53)
    at D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:164:71
    at new Promise (<anonymous>)
    at __awaiter (D:\code-examples\surveyjs-pdf-nodejs\node_modules\survey-pdf\survey.pdf.js:150:12)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:27556) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 2)
(node:27556) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

[JaneSjs]

+1 T16596 - PDF takes a long time to generate
https://surveyjs.answerdesk.io/internal/ticket/details/T16596