n8n/dist/push/sse.push.js

n8n Workflow Automation Tool

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SSEPush = void 0;
const di_1 = require("@n8n/di");
const abstract_push_1 = require("./abstract.push");
let SSEPush = class SSEPush extends abstract_push_1.AbstractPush {
    add(pushRef, userId, connection) {
        const { req, res } = connection;
        req.socket.setTimeout(0);
        req.socket.setNoDelay(true);
        req.socket.setKeepAlive(true);
        res.setHeader('Content-Type', 'text/event-stream; charset=UTF-8');
        res.setHeader('Cache-Control', 'no-cache');
        res.setHeader('Connection', 'keep-alive');
        res.writeHead(200);
        res.write(':ok\n\n');
        res.flush();
        super.add(pushRef, userId, connection);
        const removeClient = () => this.remove(pushRef);
        req.once('end', removeClient);
        req.once('close', removeClient);
        res.once('finish', removeClient);
    }
    close({ res }) {
        res.end();
    }
    sendToOneConnection(connection, data) {
        const { res } = connection;
        res.write('data: ' + data + '\n\n');
        res.flush();
    }
    ping({ res }) {
        res.write(':ping\n\n');
        res.flush();
    }
};
exports.SSEPush = SSEPush;
exports.SSEPush = SSEPush = __decorate([
    (0, di_1.Service)()
], SSEPush);
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