36 lines
969 B
TypeScript
36 lines
969 B
TypeScript
import type { RawMessage } from './raw.gen'
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import type { TrackerMessage } from './tracker.gen'
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import translate from './tracker.gen'
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import { TP_MAP } from './tracker-legacy.gen'
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import resolveURL from './urlBasedResolver'
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function legacyTranslate(msg: any): RawMessage | null {
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const type = TP_MAP[msg._id as keyof typeof TP_MAP]
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if (!type) { // msg._id can be other than keyof TP_MAP, in fact
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return null
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}
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msg.tp = type
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delete msg._id
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return msg as RawMessage
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}
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export default class JSONRawMessageReader {
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constructor(private messages: TrackerMessage[] = []){}
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append(messages: TrackerMessage[]) {
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this.messages = this.messages.concat(messages)
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}
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readMessage(): RawMessage | null {
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let msg = this.messages.shift()
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if (!msg) { return null }
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const rawMsg = Array.isArray(msg)
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? translate(msg)
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: legacyTranslate(msg)
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if (!rawMsg) {
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return this.readMessage()
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}
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return resolveURL(rawMsg)
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}
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}
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