api-service-core/lib/middleware/gregarious.js

NodeJS api-service

"use strict";
/*************************************************************************
 *
 * Troven CONFIDENTIAL
 * __________________
 *
 *  (c) 2017-2019 Troven Pty Ltd
 *  All Rights Reserved.
 *
 * NOTICE:  All information contained herein is, and remains
 * the property of Troven Pty Ltd and its licensors,
 * if any.  The intellectual and technical concepts contained
 * herein are proprietary to Troven Pty Ltd
 * and its suppliers and may be covered by International and Regional Patents,
 * patents in process, and are protected by trade secret or copyright law.
 * Dissemination of this information or reproduction of this material
 * is strictly forbidden unless prior written permission is obtained
 * from Troven Pty Ltd.
 */
Object.defineProperty(exports, "__esModule", { value: true });
const assert = require("assert");
const _ = require("lodash");
/**
 * Gregarious
 * ----------
 * Feature adds an X-CHASSIS method that reports the chassis name and port.
 *
 * @type {{name: string, title: string, description: string, fn: module.exports.fn}}
 */
class gregarious {
    constructor() {
        this.name = "api.gregarious";
        this.title = "internal service headers";
    }
    fn(operation, options) {
        let _pkg_name = operation.context.pkg.name;
        let _name = operation.context.config.name || _pkg_name;
        let _version = operation.context.pkg.version || "0.0.0";
        let _options = options;
        return function (req, res, next) {
            assert(req && res && next, "invalid middleware");
            res.header("X-SERVICE-ID", _name);
            res.header("X-SERVICE-UUID", operation.context.uuid);
            res.header("X-SERVICE-RELEASE", _pkg_name + " v" + _version);
            _.each(_options.headers, function (v, k) { res.header(k, v); });
            next();
        };
    }
}
exports.default = gregarious;
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