ebde17fed0
Reviewed-on: https://gitea.coracle.social/coracle/flotilla/pulls/393 Co-authored-by: Coracle-Bot <npub1klq6260@nostr.local>
41 lines
1.6 KiB
TypeScript
41 lines
1.6 KiB
TypeScript
import type {Page} from "@playwright/test"
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import type {TrustedEvent} from "@welshman/util"
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// Must match the database name and the `events` table in src/app/storage.ts, which are scoped to
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// one identity.
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const databaseName = (pubkey: string) => `flotilla-9gl-${pubkey}`
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/**
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* What this user's client has written to disk so far. Events reach indexeddb in three-second
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* batches and nothing in the ui says when one has landed, so a spec about what survives a restart
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* has to read the cache to know the restart is testing anything: a reload before the batch would
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* fail whether or not the events were ever going to be persisted.
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*/
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export const readCachedEvents = (page: Page, pubkey: string): Promise<TrustedEvent[]> =>
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page.evaluate(async name => {
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const open = await new Promise<IDBDatabase>((resolve, reject) => {
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const request = indexedDB.open(name)
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request.onsuccess = () => resolve(request.result)
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request.onerror = () => reject(request.error)
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})
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// An unversioned open creates the database when it is missing, so a client that has not written
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// anything yet answers with an empty one rather than with a store to read.
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if (!open.objectStoreNames.contains("events")) {
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open.close()
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return []
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}
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const items = await new Promise<{event: TrustedEvent}[]>((resolve, reject) => {
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const request = open.transaction("events", "readonly").objectStore("events").getAll()
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request.onsuccess = () => resolve(request.result)
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request.onerror = () => reject(request.error)
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})
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open.close()
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return items.map(item => item.event)
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}, databaseName(pubkey))
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