| 1 | import type { AssetResource, EnvironmentId } from "@t3tools/contracts"; |
| 2 | import type { ImageSource } from "expo-image"; |
| 3 | |
| 4 | /** |
| 5 | * expo-image source for a signed asset URL. Every mint signs a new URL, and a |
| 6 | * reconnect mints again, so a URL-keyed cache misses each time. Attachments |
| 7 | * never change once stored, so they cache under their id instead. |
| 8 | */ |
| 9 | export function assetImageSource( |
| 10 | environmentId: EnvironmentId, |
| 11 | resource: AssetResource, |
| 12 | uri: string, |
| 13 | ): ImageSource { |
| 14 | return resource._tag === "attachment" |
| 15 | ? { |
| 16 | uri, |
| 17 | cacheKey: `t3-attachment:${JSON.stringify([environmentId, resource.attachmentId])}`, |
| 18 | } |
| 19 | : { uri }; |
| 20 | } |