blank page is rendering when there are no data in appended template

[Happy Patel]

Hello @bjrmatos26 @jan_blaha

I am using pdfutils for one of my report. but when there are no data for last appended template then it's returning blank page how I can to solve this?

Here is a playground

Thanks!

[Happy Patel]

Can we do anything for this?

[andribo]

Hello @Happy-Patel ,

What if you merge the template instead of appending it?

[Happy Patel]

Hello @andribo

No, Merge will not help here as we need to append or prepend the pages.

Thanks for your response!

[jan_blaha]

You can use script to post-process the pdf and remove the blank last page.
https://jsreport.net/learn/pdf-utils#usage-in-script
For example like this:

const jsreport = require('jsreport-proxy')
async function afterRender (req, res) {
    const $pdf = await jsreport.pdfUtils.parse(res.content, true)
    
    if (!$pdf.pages[$pdf.pages.length - 1].text) {
        res.content = await jsreport.pdfUtils.removePages(res.content, $pdf.pages.length)
    }
}

https://playground.jsreport.net/w/anon/tCFVR1ke

[Happy Patel]

Thanks! @jan_blaha

[Stephen-Strange]

@jan_blaha This will not work if we have configured header & footer in our template.

$pdf.pages[$pdf.pages.length - 1].text

will always have text in it. How can we handle this scenario?

Also .removePages() is not adjusting the total pages count. If we have 2 pages and the 2nd page is blank, after using .removePages() the 1st page still shows '1 out of 2' pages. How to adjust that too?

[Rohan Jcm]

I am using pdfutils for one of my report. but when there are no data for last appended template then it's returning blank page how I can to solve this?
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