memory leak with global content and outputDestination

[zengxiaoluan]

Hi, there, the source code below will occured a memory leak, I will share my sights after.

https://github.com/parallax/jsPDF/blob/5d09af9135a2fe049c7d3c8b95df280d22e4a6db/src/jspdf.js#L733-L742

pdf.output('blob') will call buildDocument(); after this call, the reference with conent and outputDestination still exists by closure. If you build a heavy-memory web app, it will cause serious memory leak problems after exporting a pdf and even collapse the page.

I am sorry for not providing a minimal reproduce demo, but you can hook the content on the global window and see it. I submit this issue is begging for discussion, and I would be happy to submit a pull request if Maitainer agreed with this issue.

Thanks a lot. jsPDF is an amazing library and has helped me a lot.

[github-actions[bot]]

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[zengxiaoluan]

(⊙o⊙)… no response