dipend-graph/dipend-graph-server.js

A library for generating a DAG (Directed Acyclic Graph) of dependencies registered in Dipend's dependency container.

/*
 * Copyright 2025 Saulo V. Alvarenga. All rights reserved.
 *
 * 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.
 */

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.DipendGraphServer = void 0;
const tslib_1 = require("tslib");
const http_1 = tslib_1.__importDefault(require("http"));
const process_1 = tslib_1.__importDefault(require("process"));
const handlers_1 = require("./handlers");
class DipendGraphServer {
    graphDataHandler;
    server;
    host;
    port;
    constructor(dependencyContainer, config) {
        const { envHost, envPort } = this.getEnvs();
        this.host = config?.host || envHost || "127.0.0.1";
        this.port = config?.port || envPort || 4321;
        this.graphDataHandler = new handlers_1.GraphDataHandler(dependencyContainer);
        this.server = http_1.default.createServer((req, res) => {
            const handler = new handlers_1.RequestHandler(this.graphDataHandler);
            if (req.url === "/api/data") {
                handler.apiDataRouteAction(res);
            }
            else {
                handler.homeRouteAction(req, res);
            }
        });
    }
    getEnvs() {
        const envHost = process_1.default.env.DIPEND_GRAPH_SERVER_HOST;
        const envPort = process_1.default.env.DIPEND_GRAPH_SERVER_PORT
            ? parseInt(process_1.default.env.DIPEND_GRAPH_SERVER_PORT, 10)
            : undefined;
        return { envHost, envPort };
    }
    start() {
        this.server.listen(this.port, this.host, () => {
            console.log(`Serving the Dipend Graph at http://${this.host}:${this.port}`);
        });
    }
}
exports.DipendGraphServer = DipendGraphServer;