| 1 | import type { EventBasedChannel } from 'async-call-rpc'
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| 2 |
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| 3 | /**
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| 4 | * BroadcastChannel support for AsyncCall.
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| 5 | * Please make sure your serializer can convert JSON RPC payload into one of the following data types:
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| 6 | * - Data that can be [structure cloned](http://mdn.io/structure-clone)
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| 7 | */
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| 8 | export class BroadcastMessageChannel extends BroadcastChannel implements EventBasedChannel {
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| 9 | on(eventListener: (data: unknown) => void) {
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| 10 | const f = (e: MessageEvent): void => eventListener(e.data)
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| 11 | this.addEventListener('message', f)
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| 12 | return () => this.removeEventListener('message', f)
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| 13 | }
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| 14 | send(data: any) {
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| 15 | super.postMessage(data)
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| 16 | }
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| 17 | }
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