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;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SSEPush = void 0;
const sse_channel_1 = __importDefault(require("sse-channel"));
const typedi_1 = require("typedi");
const Logger_1 = require("../Logger");
const abstract_push_1 = require("./abstract.push");
let SSEPush = class SSEPush extends abstract_push_1.AbstractPush {
    constructor(logger) {
        super(logger);
        this.channel = new sse_channel_1.default();
        this.connections = {};
        this.channel.on('disconnect', (_, { req }) => {
            var _a;
            this.remove((_a = req === null || req === void 0 ? void 0 : req.query) === null || _a === void 0 ? void 0 : _a.pushRef);
        });
    }
    add(pushRef, connection) {
        super.add(pushRef, connection);
        this.channel.addClient(connection.req, connection.res);
    }
    close({ res }) {
        res.end();
        this.channel.removeClient(res);
    }
    sendToOneConnection(connection, data) {
        this.channel.send(data, [connection.res]);
    }
};
exports.SSEPush = SSEPush;
exports.SSEPush = SSEPush = __decorate([
    (0, typedi_1.Service)(),
    __metadata("design:paramtypes", [Logger_1.Logger])
], SSEPush);
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