Jon Staab
52 lines
1.3 KiB
TypeScript
52 lines
1.3 KiB
TypeScript
import {Emitter, now} from "@welshman/lib"
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import {TrustedEvent, SignedEvent, Filter} from "@welshman/util"
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import {request, publish, AdapterContext} from "@welshman/net"
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export type DVMRequestOptions = {
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event: SignedEvent
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relays: string[]
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timeout?: number
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autoClose?: boolean
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context?: AdapterContext
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onResult?: (event: TrustedEvent, url: string) => void
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onProgress?: (event: TrustedEvent, url: string) => void
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}
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export const requestDvmResponse = (options: DVMRequestOptions) => {
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const {
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event,
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relays,
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context,
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timeout = 30_000,
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autoClose = true,
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onResult,
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onProgress,
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} = options
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const kind = event.kind + 1000
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const kinds = onProgress ? [kind, 7000] : [kind]
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const filters: Filter[] = [{kinds, since: now() - 60, "#e": [event.id]}]
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const abortController = new AbortController()
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const signal = AbortSignal.any([abortController.signal, AbortSignal.timeout(timeout)])
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return request({
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signal,
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relays,
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filters,
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context,
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onEvent: (event: TrustedEvent, url: string) => {
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if (event.kind === 7000) {
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onProgress?.(event, url)
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} else {
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onResult?.(event, url)
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if (autoClose) {
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abortController.abort()
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}
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}
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},
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})
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}
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export const makeDvmRequest = (options: DVMRequestOptions) =>
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Promise.all([publish(options), requestDvmResponse(options)])
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