Hi! I'd like to use the npm node ( node-red-contrib-npm (node) - Node-RED ) to be able to use pdf-merger-js ( pdf-merger-js - npm ). Unfortunately, I always get errors like TypeError: func is not a function or similar, depending on how I connect the individual nodes in the following flow: [{"id":"ae6…

I'd like to use the npm node You don't have to use that node anymore, it has been integrated into the function node into the setup tab. [SCR-20220908-9wg]

Thanks, but this still requires me to add it to settings.js or am I wrong? ( Writing Functions : Node-RED )

It needs to be enabled in settings.js: setting functionExternalModules to true in you settings.js file restart node-red and you should be able to use any npm package within the function node.

hm this is already set to true. I added the modules: [image] On message now looks: const PDFMerger = require('pdfMergerJs'); var merger = new PDFMerger(); (async () => { await merger.add('pdf1.pdf'); //merge all pages. parameter is the path to file and filename. await merger.add('pdf2.pd…

You are my absolute hero. Her is the final, working code: const merger = new pdfMergerJs(); (async () => { await merger.add('/media/file1.pdf'); //merge all pages. parameter is the path to file and filename. await merger.add('/media/file2.pdf'); await merger.save('/media/merged.pdf'); //s…

Node-RED

Node-RED Forum

Useage of contrib-npm

General

bakman2 8 September 2022 06:40 6

You can remove the require, as that is what the setup tab invokes.

const merger = new pdfMergerJs()

SFTP node crashes server, the other one is not working

Topic		Replies	Views
Trying to call nodejs from the exec node General	8	293	25 March 2024
Use template as function (to merge multiple PDFs into one PDF) General	5	574	27 September 2022
Use npm in node-red General	4	503	22 June 2020
How to use external libraries? General docker , function-node	13	514	8 January 2024
How to use the contrib-npm General	3	1006	11 January 2019

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Useage of contrib-npm

Related topics