@aspnet/signalr
Version:
ASP.NET Core SignalR Client
124 lines • 7.39 kB
JavaScript
// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
import { LogLevel } from "./ILogger";
import { TransferFormat } from "./ITransport";
import { Arg, getDataDetail } from "./Utils";
/** @private */
var WebSocketTransport = /** @class */ (function () {
function WebSocketTransport(accessTokenFactory, logger, logMessageContent) {
this.logger = logger;
this.accessTokenFactory = accessTokenFactory || (function () { return null; });
this.logMessageContent = logMessageContent;
}
WebSocketTransport.prototype.connect = function (url, transferFormat) {
return __awaiter(this, void 0, void 0, function () {
var token;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
Arg.isRequired(url, "url");
Arg.isRequired(transferFormat, "transferFormat");
Arg.isIn(transferFormat, TransferFormat, "transferFormat");
if (typeof (WebSocket) === "undefined") {
throw new Error("'WebSocket' is not supported in your environment.");
}
this.logger.log(LogLevel.Trace, "(WebSockets transport) Connecting");
return [4 /*yield*/, this.accessTokenFactory()];
case 1:
token = _a.sent();
if (token) {
url += (url.indexOf("?") < 0 ? "?" : "&") + ("access_token=" + encodeURIComponent(token));
}
return [2 /*return*/, new Promise(function (resolve, reject) {
url = url.replace(/^http/, "ws");
var webSocket = new WebSocket(url);
if (transferFormat === TransferFormat.Binary) {
webSocket.binaryType = "arraybuffer";
}
// tslint:disable-next-line:variable-name
webSocket.onopen = function (_event) {
_this.logger.log(LogLevel.Information, "WebSocket connected to " + url);
_this.webSocket = webSocket;
resolve();
};
webSocket.onerror = function (event) {
reject(event.error);
};
webSocket.onmessage = function (message) {
_this.logger.log(LogLevel.Trace, "(WebSockets transport) data received. " + getDataDetail(message.data, _this.logMessageContent) + ".");
if (_this.onreceive) {
_this.onreceive(message.data);
}
};
webSocket.onclose = function (event) {
// webSocket will be null if the transport did not start successfully
_this.logger.log(LogLevel.Trace, "(WebSockets transport) socket closed.");
if (_this.onclose) {
if (event.wasClean === false || event.code !== 1000) {
_this.onclose(new Error("Websocket closed with status code: " + event.code + " (" + event.reason + ")"));
}
else {
_this.onclose();
}
}
};
})];
}
});
});
};
WebSocketTransport.prototype.send = function (data) {
if (this.webSocket && this.webSocket.readyState === WebSocket.OPEN) {
this.logger.log(LogLevel.Trace, "(WebSockets transport) sending data. " + getDataDetail(data, this.logMessageContent) + ".");
this.webSocket.send(data);
return Promise.resolve();
}
return Promise.reject("WebSocket is not in the OPEN state");
};
WebSocketTransport.prototype.stop = function () {
if (this.webSocket) {
this.webSocket.close();
this.webSocket = null;
}
return Promise.resolve();
};
return WebSocketTransport;
}());
export { WebSocketTransport };
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