Kit Langton
25 lines
673 B
TypeScript
25 lines
673 B
TypeScript
import { Effect } from "effect"
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const inputDecoder = new TextDecoder("utf-8", { fatal: true })
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export function handlePtyInput(
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handler: { onMessage: (message: string | ArrayBuffer) => void },
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message: string | Uint8Array,
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) {
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if (typeof message === "string") {
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handler.onMessage(message)
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return Effect.void
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}
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return Effect.try({
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try: () => inputDecoder.decode(message),
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catch: () => new Error("invalid PTY websocket input"),
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}).pipe(
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Effect.catch(() => Effect.succeed(undefined)),
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Effect.flatMap((decoded) => {
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if (decoded === undefined) return Effect.void
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handler.onMessage(decoded)
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return Effect.void
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}),
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)
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}
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