Move /platform/detection vars into /env (#9707)

* Add platform vars to env

* Replace /platform/detection with /env

src/components/hooks/useFullscreen.ts

@@ -7,7 +7,7 @@ import {
 } from 'react'
 
 import {isFirefox, isSafari} from '#/lib/browser'
-import {isWeb} from '#/platform/detection'
+import {IS_WEB} from '#/env'
 
 function fullscreenSubscribe(onChange: () => void) {
   document.addEventListener('fullscreenchange', onChange)
@@ -15,7 +15,7 @@ function fullscreenSubscribe(onChange: () => void) {
 }
 
 export function useFullscreen(ref?: React.RefObject<HTMLElement | null>) {
-  if (!isWeb) throw new Error("'useFullscreen' is a web-only hook")
+  if (!IS_WEB) throw new Error("'useFullscreen' is a web-only hook")
   const isFullscreen = useSyncExternalStore(fullscreenSubscribe, () =>
     Boolean(document.fullscreenElement),
   )

src/components/hooks/useStarterPackEntry.native.ts

@@ -4,9 +4,9 @@ import {
   createStarterPackLinkFromAndroidReferrer,
   httpStarterPackUriToAtUri,
 } from '#/lib/strings/starter-pack'
-import {isAndroid} from '#/platform/detection'
 import {useHasCheckedForStarterPack} from '#/state/preferences/used-starter-packs'
 import {useSetActiveStarterPack} from '#/state/shell/starter-pack'
+import {IS_ANDROID} from '#/env'
 import {Referrer, SharedPrefs} from '../../../modules/expo-bluesky-swiss-army'
 
 export function useStarterPackEntry() {
@@ -32,7 +32,7 @@ export function useStarterPackEntry() {
     ;(async () => {
       let uri: string | null | undefined
 
-      if (isAndroid) {
+      if (IS_ANDROID) {
         const res = await Referrer.getGooglePlayReferrerInfoAsync()
 
         if (res && res.installReferrer) {

src/components/hooks/useWelcomeModal.ts

@@ -1,7 +1,7 @@
 import {useEffect, useState} from 'react'
 
-import {isWeb} from '#/platform/detection'
 import {useSession} from '#/state/session'
+import {IS_WEB} from '#/env'
 
 export function useWelcomeModal() {
   const {hasSession} = useSession()
@@ -22,7 +22,7 @@ export function useWelcomeModal() {
     // 2. We're on the web (this is a web-only feature)
     // 3. We're on the homepage (path is '/' or '/home')
     // 4. User hasn't actively closed the modal in this session
-    if (isWeb && !hasSession && typeof window !== 'undefined') {
+    if (IS_WEB && !hasSession && typeof window !== 'undefined') {
       const currentPath = window.location.pathname
       const isHomePage = currentPath === '/'
       const hasUserClosedModal =