node-red-contrib-nostr/dist/nips/nip01.js

Node-RED nodes for seamless Nostr protocol integration. Features robust WebSocket handling, event filtering, and NPUB-based routing. Built with TypeScript for type safety and extensive testing. Perfect for Nostr automation flows.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MessageType = void 0;
exports.parseRelayMessage = parseRelayMessage;
exports.createEventMessage = createEventMessage;
exports.createSubscriptionMessage = createSubscriptionMessage;
exports.createCloseMessage = createCloseMessage;
var MessageType;
(function (MessageType) {
    MessageType["EVENT"] = "EVENT";
    MessageType["REQ"] = "REQ";
    MessageType["CLOSE"] = "CLOSE";
    MessageType["NOTICE"] = "NOTICE";
    MessageType["EOSE"] = "EOSE";
    MessageType["OK"] = "OK";
})(MessageType || (exports.MessageType = MessageType = {}));
function parseRelayMessage(message) {
    try {
        const parsed = JSON.parse(message);
        if (!Array.isArray(parsed))
            return null;
        const [type, ...params] = parsed;
        switch (type) {
            case MessageType.EVENT:
                const [subscriptionId, event] = params;
                return {
                    type: MessageType.EVENT,
                    subscriptionId,
                    event
                };
            case MessageType.NOTICE:
                return {
                    type: MessageType.NOTICE,
                    message: params[0]
                };
            case MessageType.EOSE:
                return {
                    type: MessageType.EOSE,
                    subscriptionId: params[0]
                };
            case MessageType.OK:
                const [eventId, success, message] = params;
                return {
                    type: MessageType.OK,
                    message: eventId,
                    success,
                    error: message
                };
            default:
                return null;
        }
    }
    catch {
        return null;
    }
}
function createEventMessage(event) {
    return JSON.stringify([MessageType.EVENT, event]);
}
function createSubscriptionMessage(subscriptionId, filters) {
    return JSON.stringify([MessageType.REQ, subscriptionId, ...filters]);
}
function createCloseMessage(subscriptionId) {
    return JSON.stringify([MessageType.CLOSE, subscriptionId]);
}