thermostat-pi-dht/lib/httpPostJSON.js

A Node.js framework (standalone app + lib) to control a heating system with a Raspberry Pi using DHT11 or DHT22/AM2302 sensors and GPIO actuators.

"use strict";
// Project: thermostat-pi-dht
// File: httpPostJSON.ts
//
// Copyright 2021 Henning Kerstan
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.httpPostJSON = void 0;
const http = __importStar(require("http"));
/** Posts a stringified JSON object and returns the response. */
async function httpPostJSON(params) {
    return new Promise((resolve, reject) => {
        const options = {
            host: params.host,
            port: params.port,
            path: params.path,
            method: 'POST',
            headers: {
                // eslint-disable-next-line @typescript-eslint/naming-convention
                'Content-Type': 'application/json',
                // eslint-disable-next-line @typescript-eslint/naming-convention
                'Content-Length': params.json.length,
            },
        };
        // construct an http request
        const request = http.request(options);
        // on response: concatenate data and return it when finished; reject on response error
        request.on('response', (res) => {
            let data = '';
            res.on('data', (d) => {
                data += d;
            });
            res.on('end', () => {
                resolve(data);
            });
            res.on('error', (err) => {
                reject(err);
            });
        });
        // reject on request error
        request.on('error', (err) => {
            reject(err);
        });
        // post the data
        request.write(params.json);
        request.end();
    });
}
exports.httpPostJSON = httpPostJSON;
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