address reviewer suggestions

Author: fforbeck

src/components/SpaceCreator.tsx

@@ -3,7 +3,7 @@ import type { ChangeEvent } from 'react'
 import React, { useState } from 'react'
 import { ContentServeService, Space, useW3 } from '@w3ui/react'
 import Loader from '../components/Loader'
-import { ConnectionView, DID, DIDKey } from '@ucanto/interface'
+import { DIDKey } from '@ucanto/interface'
 import { DidIcon } from './DidIcon'
 import Link from 'next/link'
 import { FolderPlusIcon, InformationCircleIcon } from '@heroicons/react/24/outline'
@@ -53,25 +53,28 @@ export function SpaceCreatorForm({
       throw new Error('a payment plan is required on account to provision a new space.')
     }
 
+    const toWebDID = (input?: string) =>
+      UcantoClient.Schema.DID.match({ method: 'web' }).from(input)
+
     setSubmitted(true)
     try {
 
-      const gatewayId = (process.env.NEXT_PUBLIC_W3UP_GATEWAY_ID || 'did:web:w3s.link') as DID<'web'>
-      const gatewayUrl = process.env.NEXT_PUBLIC_W3UP_GATEWAY_HOST || 'https://freeway.dag.haus' as string
+      const gatewayId = toWebDID(process.env.NEXT_PUBLIC_W3UP_GATEWAY_ID) || toWebDID('did:web:w3s.link')
+      const gatewayUrl = process.env.NEXT_PUBLIC_W3UP_GATEWAY_HOST || 'https://freeway.dag.haus'
 
       const storachaGateway = UcantoClient.connect({
         id: {
           did: () => gatewayId
         },
         codec: CAR.outbound,
-        channel: HTTP.open({ url: new URL(gatewayUrl) }),
-      }) as ConnectionView<ContentServeService>
+        channel: HTTP.open<ContentServeService>({ url: new URL(gatewayUrl) }),
+      })
 
       const space = await client.createSpace(name, {
         authorizeGatewayServices: [storachaGateway]
       })
 
-      const provider = (process.env.NEXT_PUBLIC_W3UP_PROVIDER || 'did:web:web3.storage') as DID<'web'>
+      const provider = toWebDID(process.env.NEXT_PUBLIC_W3UP_PROVIDER) || toWebDID('did:web:web3.storage')
       const result = await account.provision(space.did(), { provider })
       if (result.error) {
         setSubmitted(false)