index` must be at least 0 and at most 33 but my pdf have almost 41 pages

What were you trying to do?

I am trying to remove pages using thi pdf-lib library.

How did you attempt to do it?

async downloadPdfFile() { var url = "/uploads/" + this.pdfFile.upload.filename; var existingPdfBytes = await fetch(url).then((res) => res.arrayBuffer()); var pdfDoc = await PDFDocument.load(existingPdfBytes); let pages = this.selectedPages; pages.sort(function (a, b) { return a - b; }); pages.map((element) => { console.log(element); pdfDoc.removePage(element); }); var PdfBytes = await pdfDoc.save(); download(PdfBytes,Delete Pdf ${new Date()}.pdf, "application/pdf"); },

What actually happened?

Error: index must be at least 0 and at most 33, but was actually 38. But I have more than 38 pages in my pdf.

What did you expect to happen?

I should remove the selected pages on the base of index given.

How can we reproduce the issue?

async downloadPdfFile() { var url = "/uploads/" + this.pdfFile.upload.filename; var existingPdfBytes = await fetch(url).then((res) => res.arrayBuffer()); var pdfDoc = await PDFDocument.load(existingPdfBytes); let pages = this.selectedPages; pages.sort(function (a, b) { return a - b; }); pages.map((element) => { console.log(element); pdfDoc.removePage(element); }); var PdfBytes = await pdfDoc.save(); download(PdfBytes,Delete Pdf ${new Date()}.pdf, "application/pdf"); },

Version

1.17.1

What environment are you running pdf-lib in?

Browser, Node

Checklist

• My report includes a Short, Self Contained, Correct (Compilable) Example.
• I have attached all PDFs, images, and other files needed to run my SSCCE.

Additional Notes

No response

[hilmanski]

Thanks for the trick @joewestcott I document it for other, in case anyone want an example https://onebite.dev/removing-page-in-pdf-lib-show-error-index-must-be-at-least-x/

const pages [4 , 1 , 3, 2]
const sortedPages = pages.sort((a: number, b: number) => b - a)
sortedPages.forEach((page: any) => {
    const pageIndex = page - 1
    PDF_DOC.removePage(pageIndex)
})

[abubakar-dzinemedia]

Yes I tried it. Its working fine Thanks.