pnpjs | Fluent JavaScript API for SharePoint and Microsoft Graph | Content Management System library

I'm using pnpJS to list all the users who have permissions on an SPO item:

I am wondering whether there is way to retrieve the Guid (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx) from an given ItemId (eg. ItemID=1969 as in query params in https://xyz.sharepoint.com/path/to/documents/image.jpg?ItemID=1969&ItemVersion=5.0) with pnpjs under nodejs. The docs do not describe how to do that but there might be a way to use a "back-door" to achieve this. I would like to do something similar like:

I am new to SPFx PnPjs. I want to use GroupBy in query but not seeing intellisense in visual code. Here is my query :

I have a web part that which needs to retrieve the Name property of a person column (a people picker) so I can populate state with it and subsequently populate a field. Here's the function that queries the item:

I got a node.js application and I'm trying to use the AdalFetchClient of PnPjs to fetch some data from sharepoint.

I am creating an SP webpart using SPFX. The webpart needs to be able to upload multiple files either using one button or several buttons (one for each file).

I am trying to use this: https://pnp.github.io/pnpjs/sp/attachments/#add-multiple

But it doesn't show how to use it with React states. You see, I want to be able to save the file upload into state, so it can then be submitted using a button. That's when it is attached to the list item in SP. I then want the webpart to be able to display the attached item when the user clicks back on this item. This is why I need to use state.

I have read this: React SPFx - Adding files to SharePoint list field using PnPjs

and this: Handling file upload in Sharepoint List with React form

But they are not clear.

Can someone provide an example of how to use the pnpjs attachments with a React component class using state?

We loaded a SP list directly from an Access query and now when we try to run a list update with pnpjs I get an "Error code: -2130575163.List data validation failed" .

There are no required fields, no validation on any columns, and no Validation settings on the list. Is this not working because it was uploaded from Access?

Updating it similar to this:

I'm getting 'node_modules/@pnp/sp has no exported member 'ItemAddResult'' when I'm importing ItemAddResult at the top of a SharePoint Sfpx webpart:

import { sp, ItemAddResult, AttachmentFileInfo } from "@pnp/sp";

I'm also getting the same message for: AttachmentFileInfo.

In the docs it suggests to import ItemAddResult: https://pnp.github.io/pnpjs/v1/sp/docs/items/#add-items

Now that the old sp-pnp-js library has been deprecated, I'm forced(?) to use this new library.

I've run npm install on the project dir.

Any guidance appreciated.

We are interacting with Sharepoint Online's Document Library through the PnPjs framework and by using a Sharepoint App Add-In (For one reason or another, we can't use Graph API at this time)

Our add-in has full control of our site: