33 lines
1.2 KiB
Plaintext
33 lines
1.2 KiB
Plaintext
import { WSContext, defineWebSocketHelper } from "../../helper/websocket/index.js";
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//#region src/adapter/deno/websocket.ts
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/**
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* @deprecated `hono/deno` will be removed in v5. Install `@hono/deno` and import from there instead.
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*/
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const upgradeWebSocket = defineWebSocketHelper(async (c, events, options) => {
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if (c.req.header("upgrade") !== "websocket") return;
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const subprotocol = c.req.header("sec-websocket-protocol")?.split(",")[0]?.trim();
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const { response, socket } = Deno.upgradeWebSocket(c.req.raw, {
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...subprotocol ? { protocol: subprotocol } : {},
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...options
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});
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const wsContext = new WSContext({
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close: (code, reason) => socket.close(code, reason),
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get protocol() {
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return socket.protocol;
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},
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raw: socket,
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get readyState() {
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return socket.readyState;
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},
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url: socket.url ? new URL(socket.url) : null,
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send: (source) => socket.send(source)
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});
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socket.onopen = (evt) => events.onOpen?.(evt, wsContext);
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socket.onmessage = (evt) => events.onMessage?.(evt, wsContext);
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socket.onclose = (evt) => events.onClose?.(evt, wsContext);
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socket.onerror = (evt) => events.onError?.(evt, wsContext);
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return response;
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});
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//#endregion
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export { upgradeWebSocket };
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