@ledgerhq/live-common/lib-es/platform/JSONRPCServer.js

Common ground for the Ledger Live apps

import { useEffect, useRef, useCallback } from "react";
import { JSONRPCServer, JSONRPCServerAndClient, JSONRPCClient } from "json-rpc-2.0";
export const useJSONRPCServer = (handlers, send) => {
    const serverRef = useRef(null);
    useEffect(() => {
        const server = new JSONRPCServerAndClient(new JSONRPCServer(), new JSONRPCClient(send));
        const methodIds = Object.keys(handlers);
        methodIds.forEach((methodId) => {
            server.addMethod(methodId, handlers[methodId]);
        });
        serverRef.current = server;
    }, [send, handlers]);
    const receive = useCallback(async (request) => {
        if (serverRef.current) {
            await serverRef.current.receiveAndSend(request);
        }
    }, []);
    return [receive];
};
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