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57 lines
1.8 KiB
57 lines
1.8 KiB
4 months ago
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import { ServerOptions } from '../server.mjs';
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import { ConnectionInitMessage } from '../common.mjs';
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export { GRAPHQL_TRANSPORT_WS_PROTOCOL } from '../common.mjs';
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/**
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* The extra that will be put in the `Context`.
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*
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* @category Server/deno
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*/
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export interface Extra {
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/**
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* The actual socket connection between the server and the client.
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*/
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readonly socket: WebSocket;
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}
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/**
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* Use the server with [Deno](https://deno.com/).
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* This is a basic starter, feel free to copy the code over and adjust it to your needs.
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*
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* The keep-alive is set in `Deno.upgradeWebSocket` during the upgrade.
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*
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* Additionally, the required WebSocket protocol is also defined during the upgrade,
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* the correct example being:
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*
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* ```ts
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* import { serve } from 'https://deno.land/std/http/mod.ts';
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* import {
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* makeHandler,
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* GRAPHQL_TRANSPORT_WS_PROTOCOL,
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* } from 'https://esm.sh/graphql-ws/lib/use/deno';
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* import { schema } from './my-schema.ts/index.mjs';
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*
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* const handler = makeHandler({ schema });
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*
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* serve(
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* (req: Request) => {
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* const [path, _search] = req.url.split('?');
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* if (!path.endsWith('/graphql')) {
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* return new Response('Not Found', { status: 404 });
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* }
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* if (req.headers.get('upgrade') != 'websocket') {
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* return new Response('Upgrade Required', { status: 426 });
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* }
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* const { socket, response } = Deno.upgradeWebSocket(req, {
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* protocol: GRAPHQL_TRANSPORT_WS_PROTOCOL,
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* idleTimeout: 12_000,
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* });
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* handler(socket);
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* return response;
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* },
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* { port: 4000 },
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* );
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* ```
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*
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* @category Server/deno
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*/
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export declare function makeHandler<P extends ConnectionInitMessage['payload'] = ConnectionInitMessage['payload'], E extends Record<PropertyKey, unknown> = Record<PropertyKey, never>>(options: ServerOptions<P, Extra & Partial<E>>): (socket: WebSocket) => void;
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