Please specify what version of the library you are using: 1.2.9
Please specify what version(s) of SharePoint you are targeting: SharePoint Online
When I create a new Web object by passing a site url to the constructor, I should get a Web object back.
An error is thrown Object is not a function. sharepointqueryable.ts appears to be looking for something called combine to be a be function but at runtime it is an object.

Uncaught (in promise) TypeError: Object(...) is not a function
at class_1.SharePointQueryable [as constructor] (sharepointqueryable.ts:51)
at class_1.SharePointQueryableInstance [as constructor] (sharepointqueryable.ts:267)
at class_1.SharePointQueryableSecurable [as constructor] (sharepointqueryablesecurable.ts:6)
at class_1.SharePointQueryableShareableWeb [as constructor] (sharepointqueryableshareable.ts:302)
at class_1.Web [as constructor] (webs.ts:87)
at new class_1 (sharepointqueryable.ts:322)
at Object.<anonymous> (AdminTools.tsx:54)
at step (SiteData.tsx:109)
at Object.next (SiteData.tsx:109)
at SiteData.tsx:109
Looks like you didn't install @pnp/common package. Please check the installation notes https://pnp.github.io/pnpjs/documentation/deployment/#install_1
Ahh I see. Yes reading the documentation more closely and installing the additional libraries resolved my issue. I'm all good now, just a little surprised those additional packages were setup as peer dependencies. Also, by just installing @pnp/sp it seems to have automatically installed an older version of @pnp/common.
Most helpful comment
Looks like you didn't install
@pnp/commonpackage. Please check the installation notes https://pnp.github.io/pnpjs/documentation/deployment/#install_1