This content originally appeared on DEV Community and was authored by Kumaran KM
Have you heard about pdflib library, you didn't so here is the documentation page for you.
Pdflib package
Pdflib Package
So here what I have done, First I have installed the package and Add this package to json file as usual. Then I have imported that package on code, Then I have used catch syntax to check for errors.
Then we need to load the pdf that we need to merge with the help of the load method inside the asynchronous function. If you want to get pdf as a user input then you can try multer package, but for now, I don't need it. I will provide a documentation link for multer package below.
Multer package
Then, then with create() method, I have created a new empty document. And then I have added the first pdf file into that document with the help of copyPages() method. Once I have copied the first pdf, then I will concatenate the second pdf with the same copypage method. Then the pdf will get merged into that new document, and now it's time for naming a file. With the help of writeFileSync() I have synced the file and named it with .pdf extension. So here what the output looks like.
After merging
Alt Text
Thanks for taking the time to read my blog.
Happy coding :)
This content originally appeared on DEV Community and was authored by Kumaran KM
Kumaran KM | Sciencx (2021-07-27T10:43:40+00:00) Merging a pdf using Javascript. Retrieved from https://www.scien.cx/2021/07/27/merging-a-pdf-using-javascript/
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