34 lines
1.2 KiB
TypeScript
34 lines
1.2 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.
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const databaseName = (pubkey: string) => `flotilla-9gl-${pubkey}`
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/** What this user's client has written to disk. Events reach indexeddb in three-second batches. */
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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 with no writes has no store.
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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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