steadybit/dist/api/sse.js

Command-line interface to interact with the Steadybit API

"use strict";
// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2022 Steadybit GmbH
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.executeApiCall = executeApiCall;
const eventsource_1 = __importDefault(require("eventsource"));
const rxjs_1 = require("rxjs");
const errors_1 = require("../errors");
const common_1 = require("./common");
function executeApiCall({ path, queryParameters }) {
    return (0, rxjs_1.from)((0, common_1.getHeaders)())
        .pipe((0, rxjs_1.combineLatestWith)((0, rxjs_1.from)((0, common_1.toUrl)(path, queryParameters))))
        .pipe((0, rxjs_1.switchMap)(([headers, url]) => executeApiCallInternal(url, headers)));
}
function executeApiCallInternal(url, headers) {
    return new rxjs_1.Observable(subscriber => {
        const es = new eventsource_1.default(url, {
            headers,
        });
        es.onmessage = (event) => {
            if (event.type !== 'heart-beat') {
                const data = JSON.parse(event.data);
                subscriber.next(data);
            }
        };
        es.onerror = (event) => {
            const status = event.status;
            if (status != null) {
                subscriber.error(new Error(`Failed to establish SSE connection to ${url}. Got status code ${status}`));
            }
            else {
                (0, errors_1.abortExecution)('Connection to SSE endpoint %s failed: %s', url, event);
            }
        };
        return () => es.close();
    });
}
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