Extract flag computation into shared util

src/ageAssurance/index.tsx

@@ -14,13 +14,13 @@ import {
 } from '#/ageAssurance/state'
 import {
   AgeAssuranceAccess,
+  type AgeAssuranceFlags,
   type AgeAssuranceState,
   AgeAssuranceStatus,
 } from '#/ageAssurance/types'
 import {
-  isUnderAge,
+  computeAgeAssuranceFlags,
   maybeRestrictChatSettings,
-  MIN_ACCESS_AGE,
   useAgeAssuranceRegionConfigWithFallback,
 } from '#/ageAssurance/util'
 
@@ -38,13 +38,7 @@ const AgeAssuranceStateContext = createContext<{
   Access: typeof AgeAssuranceAccess
   Status: typeof AgeAssuranceStatus
   state: AgeAssuranceState
-  flags: {
-    adultContentDisabled: boolean
-    chatDisabled: boolean
-    isDeclaredUnderAdultAge: boolean
-    isOverRegionMinAccessAge: boolean
-    isOverAppMinAccessAge: boolean
-  }
+  flags: AgeAssuranceFlags
 }>({
   Access: AgeAssuranceAccess,
   Status: AgeAssuranceStatus,
@@ -107,29 +101,15 @@ function InnerProvider({children}: {children: React.ReactNode}) {
   return (
     <AgeAssuranceStateContext.Provider
       value={useMemo(() => {
-        const chatDisabled = state.access !== AgeAssuranceAccess.Full
-        const isDeclaredUnderAdultAge = data?.birthdate
-          ? isUnderAge(data.birthdate, 18)
-          : true
-        const isOverRegionMinAccessAge = data?.birthdate
-          ? !isUnderAge(data.birthdate, config.minAccessAge)
-          : false
-        const isOverAppMinAccessAge = data?.birthdate
-          ? !isUnderAge(data.birthdate, MIN_ACCESS_AGE)
-          : false
-        const adultContentDisabled =
-          state.access !== AgeAssuranceAccess.Full || isDeclaredUnderAdultAge
         return {
           Access: AgeAssuranceAccess,
           Status: AgeAssuranceStatus,
           state,
-          flags: {
-            adultContentDisabled,
-            chatDisabled,
-            isDeclaredUnderAdultAge,
-            isOverRegionMinAccessAge,
-            isOverAppMinAccessAge,
-          },
+          flags: computeAgeAssuranceFlags({
+            state,
+            config,
+            data,
+          }),
         }
       }, [state, data, config])}>
       {children}

src/ageAssurance/types.ts

@@ -21,6 +21,14 @@ export type AgeAssuranceState = {
   error?: 'config' // maybe other specific cases in the future
 }
 
+export type AgeAssuranceFlags = {
+  adultContentDisabled: boolean
+  chatDisabled: boolean
+  isDeclaredUnderAdultAge: boolean
+  isOverRegionMinAccessAge: boolean
+  isOverAppMinAccessAge: boolean
+}
+
 export function parseStatusFromString(raw: string) {
   switch (raw) {
     case 'unknown':

src/ageAssurance/util.ts

@@ -11,11 +11,16 @@ import {getAge} from '#/lib/strings/time'
 import {restrictChatSettings} from '#/state/queries/messages/restrictChatSettings'
 import {DEFAULT_LOGGED_OUT_LABEL_PREFERENCES} from '#/state/queries/preferences/moderation'
 import {
+  type AgeAssuranceData,
   getDidFromAgentSession,
   getOtherRequiredDataFromCache,
   useAgeAssuranceDataContext,
 } from '#/ageAssurance/data'
-import {AgeAssuranceAccess} from '#/ageAssurance/types'
+import {
+  AgeAssuranceAccess,
+  type AgeAssuranceFlags,
+  type AgeAssuranceState,
+} from '#/ageAssurance/types'
 import {type Geolocation, useGeolocation} from '#/geolocation'
 
 export const MIN_ACCESS_AGE = 13
@@ -128,3 +133,34 @@ export function maybeRestrictChatSettings({agent}: {agent: AtpAgent}) {
   if (data?.actorDeclaration?.allowIncoming === 'none') return
   restrictChatSettings({agent, did})
 }
+
+export function computeAgeAssuranceFlags({
+  state,
+  config,
+  data,
+}: {
+  state: AgeAssuranceState
+  config: AppBskyAgeassuranceDefs.ConfigRegion
+  data: AgeAssuranceData['data']
+}): AgeAssuranceFlags {
+  const chatDisabled = state.access !== AgeAssuranceAccess.Full
+  const isDeclaredUnderAdultAge = data?.birthdate
+    ? isUnderAge(data.birthdate, 18)
+    : true
+  const isOverRegionMinAccessAge = data?.birthdate
+    ? !isUnderAge(data.birthdate, config.minAccessAge)
+    : false
+  const isOverAppMinAccessAge = data?.birthdate
+    ? !isUnderAge(data.birthdate, MIN_ACCESS_AGE)
+    : false
+  const adultContentDisabled =
+    state.access !== AgeAssuranceAccess.Full || isDeclaredUnderAdultAge
+
+  return {
+    adultContentDisabled,
+    chatDisabled,
+    isDeclaredUnderAdultAge,
+    isOverRegionMinAccessAge,
+    isOverAppMinAccessAge,
+  }
+}