angular-ai-chat-bot/src/app/client/XhrRequest.js

Angular 6 AI Chat Bot module with Google Api

"use strict";
exports.__esModule = true;
var XhrRequest = /** @class */ (function () {
    function XhrRequest() {
    }
    // Method that performs the ajax request
    XhrRequest.ajax = function (method, url, args, headers, options) {
        if (args === void 0) { args = null; }
        if (headers === void 0) { headers = null; }
        if (options === void 0) { options = {}; }
        // Creating a promise
        return new Promise(function (resolve, reject) {
            // Instantiates the XMLHttpRequest
            var client = XhrRequest.createXMLHTTPObject();
            var uri = url;
            var payload = null;
            // Add given payload to get request
            if (args && (method === XhrRequest.Method.GET)) {
                uri += "?";
                var argcount = 0;
                for (var key in args) {
                    if (args.hasOwnProperty(key)) {
                        if (argcount++) {
                            uri += "&";
                        }
                        uri += encodeURIComponent(key) + "=" + encodeURIComponent(args[key]);
                    }
                }
            }
            else if (args) {
                if (!headers) {
                    headers = {};
                }
                headers["Content-Type"] = "application/json; charset=utf-8";
                payload = JSON.stringify(args);
            }
            for (var key in options) {
                if (key in client) {
                    client[key] = options[key];
                }
            }
            // hack: method[method] is somewhat like .toString for enum Method
            // should be made in normal way
            client.open(XhrRequest.Method[method], uri, true);
            // Add given headers
            if (headers) {
                for (var key in headers) {
                    if (headers.hasOwnProperty(key)) {
                        client.setRequestHeader(key, headers[key]);
                    }
                }
            }
            payload ? client.send(payload) : client.send();
            client.onload = function () {
                if (client.status >= 200 && client.status < 300) {
                    // Performs the function "resolve" when this.status is equal to 2xx
                    resolve(client);
                }
                else {
                    // Performs the function "reject" when this.status is different than 2xx
                    reject(client);
                }
            };
            client.onerror = function () {
                reject(client);
            };
        });
    };
    XhrRequest.get = function (url, payload, headers, options) {
        if (payload === void 0) { payload = null; }
        if (headers === void 0) { headers = null; }
        if (options === void 0) { options = {}; }
        return XhrRequest.ajax(XhrRequest.Method.GET, url, payload, headers, options);
    };
    XhrRequest.post = function (url, payload, headers, options) {
        if (payload === void 0) { payload = null; }
        if (headers === void 0) { headers = null; }
        if (options === void 0) { options = {}; }
        return XhrRequest.ajax(XhrRequest.Method.POST, url, payload, headers, options);
    };
    XhrRequest.put = function (url, payload, headers, options) {
        if (payload === void 0) { payload = null; }
        if (headers === void 0) { headers = null; }
        if (options === void 0) { options = {}; }
        return XhrRequest.ajax(XhrRequest.Method.PUT, url, payload, headers, options);
    };
    XhrRequest["delete"] = function (url, payload, headers, options) {
        if (payload === void 0) { payload = null; }
        if (headers === void 0) { headers = null; }
        if (options === void 0) { options = {}; }
        return XhrRequest.ajax(XhrRequest.Method.DELETE, url, payload, headers, options);
    };
    XhrRequest.createXMLHTTPObject = function () {
        var xmlhttp = null;
        for (var _i = 0, _a = XhrRequest.XMLHttpFactories; _i < _a.length; _i++) {
            var i = _a[_i];
            try {
                xmlhttp = i();
            }
            catch (e) {
                continue;
            }
            break;
        }
        return xmlhttp;
    };
    XhrRequest.XMLHttpFactories = [
        function () { return new XMLHttpRequest(); },
        function () { return new window["ActiveXObject"]("Msxml2.XMLHTTP"); },
        function () { return new window["ActiveXObject"]("Msxml3.XMLHTTP"); },
        function () { return new window["ActiveXObject"]("Microsoft.XMLHTTP"); }
    ];
    return XhrRequest;
}());
(function (XhrRequest) {
    var Method;
    (function (Method) {
        Method[Method["GET"] = "GET"] = "GET";
        Method[Method["POST"] = "POST"] = "POST";
        Method[Method["PUT"] = "PUT"] = "PUT";
        Method[Method["DELETE"] = "DELETE"] = "DELETE";
    })(Method = XhrRequest.Method || (XhrRequest.Method = {}));
})(XhrRequest || (XhrRequest = {}));
exports["default"] = XhrRequest;