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How to use createProtocolError method in Puppeteer
Best JavaScript code snippet using puppeteer
Client.js
Source:Client.js 
...30 else {31 const errorMessage = this.hasFinishedOutput() ?32 'connection ended without disconnect receipt' :33 'connection ended unexpectedly';34 this.destroy(this.createProtocolError(errorMessage));35 }36 }37 _beforeSendResponse() {38 // No interception of outgoing frame39 }40 _onDestroyed(exception) {41 if (!exception) {42 return;43 }44 for (let key in this._subscriptions) {45 this._subscriptions[key].processMessageFrame(exception);46 }47 }48 /*49 * Create frame to send to the server. This method returns a Writable stream50 * object for sending the frame body content.51 */52 sendFrame(command, headers, options) {53 if (options) {54 let onReceipt = options.onReceipt;55 if (typeof options.onError === 'function') {56 const originalOnReceipt = onReceipt || function(){};57 const onError = options.onError;58 this.on('error', onError);59 onReceipt = () => {60 this.removeListener('error', onError);61 originalOnReceipt();62 };63 }64 if (typeof onReceipt === 'function') {65 const id = this._nextReceiptId++;66 this._receipts[id] = onReceipt;67 headers.receipt = id;68 }69 }70 return Socket.prototype.sendFrame.apply(this, arguments);71 }72 /*73 * Send CONNECT frame to the server.74 */75 connect(headers, callback) {76 if (typeof headers === 'string') {77 headers = {'host': headers};78 }79 headers = Object.assign({80 'accept-version': '1.0,1.1,1.2'81 }, headers);82 let heartbeat = this.getHeartbeat();83 if (typeof headers['heart-beat'] === "string") {84 const match = headers['heart-beat'].match(/^(\d+) *, *(\d+)$/);85 if (match) {86 heartbeat = [parseInt(match[1], 10), parseInt(match[2], 10)];87 this.setHeartbeat(heartbeat);88 }89 }90 headers['heart-beat'] = heartbeat[0] + "," + heartbeat[1];91 this.setCommandHandlers({92 'CONNECTED': onConnected,93 'ERROR': onError94 });95 if (typeof callback === 'function') {96 const self = this;97 (function() {98 const onConnected = function(client) {99 cleanup();100 callback(null, client);101 };102 const onError = function(error) {103 cleanup();104 callback(error);105 };106 const cleanup = function() {107 self.removeListener('error', onError);108 self.removeListener('connect', onConnected);109 };110 self.on('error', onError);111 self.on('connect', onConnected);112 })();113 }114 const frame = this.sendFrame('CONNECT', headers);115 frame.end();116 }117 /*118 * Send a message to the server. This method returns a Writable stream object 119 * for sending the frame body content.120 */121 send(headers, options) {122 if (typeof headers === 'string') {123 headers = {destination: headers};124 }125 return this.sendFrame('SEND', headers, options);126 }127 /*128 * Send a message with the specified body to the server.129 */130 sendString(headers, body, options, callback) {131 const frame = this.send(headers, options);132 frame.write(body);133 frame.end(callback);134 }135 begin(headers) {136 if (typeof headers !== 'object') {137 if (typeof headers !== 'undefined') {138 headers = {transaction: headers};139 }140 else {141 headers = {};142 }143 }144 if (!('transaction' in headers)) {145 headers.transaction = this._nextTransactionId++;146 }147 const transaction = new Transaction(headers.transaction, this);148 this.sendFrame('BEGIN', headers).end();149 return transaction;150 }151 subscribe(headers, messageListener) {152 if (typeof headers === 'string') {153 headers = {destination: headers};154 }155 let id = headers.id !== undefined ? 156 headers.id : this._nextSubcriptionId++;157 while (this._subscriptions[id] !== undefined) {158 id = this._nextSubcriptionId++;159 }160 headers.id = id;161 const ack = headers.ack || 'auto';162 ensureValidAckMode(ack);163 const subscription = new Subscription(id, ack, messageListener, this);164 this._subscriptions[id] = subscription;165 this.sendFrame('SUBSCRIBE', headers).end();166 return subscription;167 }168 _getAckHeaders(message, userHeaders) {169 return Object.assign({}, userHeaders, {170 'subscription': message.headers.subscription,171 'message-id': message.headers['message-id'],172 'id': message.headers.ack173 });174 }175 ack(message, headers, sendOptions, callback) {176 const frame = this.sendFrame('ACK',177 this._getAckHeaders(message, headers), sendOptions);178 frameHandler(frame, callback);179 }180 nack (message, headers, sendOptions, callback) {181 const frame = this.sendFrame('NACK',182 this._getAckHeaders(message, headers), sendOptions);183 frameHandler(frame, callback);184 }185 getSubscription(id) {186 return this._subscriptions[id];187 }188 setImplicitSubscription(id, ack, messageListener) {189 if (this._subscriptions.hasOwnProperty(id)) {190 throw new Error('subscription id \'' + id + '\' already in use');191 }192 if (ack === void 0 || ack === null){193 ack = 'auto';194 }195 ensureValidAckMode(ack);196 const subscription = new Subscription(id, ack, messageListener, this);197 this._subscriptions[id] = subscription;198 return subscription;199 }200 /*201 * Perform graceful disconnect from server. This operation does not complete202 * until all messages are acknowledged.203 */204 disconnect(callback) {205 if (typeof callback === 'function') {206 const self = this;207 (function() {208 const onEnd = function(client) {209 cleanup();210 callback(null, client);211 };212 const onError = function(error) {213 cleanup();214 callback(error);215 };216 const cleanup = function() {217 self.removeListener('end', onEnd);218 self.removeListener('error', onError);219 };220 self.on('end', onEnd);221 self.on('error', onError);222 })();223 }224 this.sendFrame('DISCONNECT', {}, {225 onReceipt: () => {226 this._hasDisconnectReceipt = true;227 const transport = this.getTransportSocket();228 if (this._resetDisconnect) {229 this.destroy();230 }231 else{232 transport.end();233 }234 }235 }).end(this._finishOutput.bind(this));236 // Keep the transport output open until the receipt is processed just in 237 // case the transport is not configured to handle half-open connections.238 this._disconnecting = true;239 }240 readEmptyBody(frame, callback) {241 frame.readEmptyBody((isEmpty) => {242 if (isEmpty) {243 if (typeof callback === 'function') {244 callback.call(this);245 }246 }247 else {248 this.destroy(this.createProtocolError('expected empty body frame'));249 }250 });251 }252 /*253 * Get the connection options that the client was initialized with.254 */255 getOptions() {256 return this._options;257 }258}259function ensureValidAckMode(mode) {260 const validAckModes = [261 'auto', 'client', 'client-individual'262 ];263 if (validAckModes.indexOf(mode) === -1) {264 throw new Error('invalid ack mode: \'' + mode + '\'');265 }266}267function frameHandler(frame, callback) {268 const cb = function (err) {269 if (typeof callback === 'function') {270 callback(err || new Error('The frame failed but no error was provided'));271 }272 };273 frame.on('error', cb);274 frame.end(function (err) {275 frame.removeListener('error', cb);276 if (typeof callback === 'function') {277 callback(err);278 }279 });280}281function onConnected(frame, beforeSendResponse) {282 // If no version header is present then assume the server is running stomp 1.0283 // protocol284 this.setVersion(frame.headers.version || '1.0');285 this.setCommandHandlers({286 'MESSAGE': onMessage,287 'RECEIPT': onReceipt,288 'ERROR': onError289 });290 this.readEmptyBody(frame, () => {291 if (frame.headers['heart-beat'] !== undefined) {292 const heartbeat = frame.headers['heart-beat']293 .split(',').map(function(x) {294 return parseInt(x, 10);295 });296 if ( heartbeat.length > 1 &&297 !isNaN(heartbeat[0]) &&298 !isNaN(heartbeat[1]) ) {299 this._runHeartbeat(heartbeat[0], heartbeat[1]);300 }301 }302 this.headers = frame.headers;303 this.emit('connect', this);304 beforeSendResponse();305 });306}307function onError(frame) {308 const message = frame.headers.message ? frame.headers.message :309 'server sent ERROR frame';310 const error = this.createApplicationError(message);311 if ( frame.headers['content-type'] === 'text/plain' &&312 frame.headers['content-length'] <= ERROR_MAX_CONTENT_LENGTH) {313 const content = new BufferWritable(Buffer.alloc(ERROR_MAX_CONTENT_LENGTH));314 frame.on('end', function() {315 error.longMessage = content.getWrittenSlice().toString();316 this.destroy(error);317 });318 frame.pipe(content);319 }320 else {321 this.destroy(error);322 }323}324function onMessage(frame, beforeSendResponse) {325 const subId = frame.headers.subscription;326 const subscription = this._subscriptions[subId];327 if (subscription === void 0) {328 this.destroy(this.createProtocolError('invalid subscription id ' + subId));329 return;330 }331 subscription.processMessageFrame(null, frame);332 beforeSendResponse();333}334function onReceipt(frame, beforeSendResponse) {335 const id = frame.headers['receipt-id'];336 if (id === undefined || this._receipts[id] === undefined) {337 this.destroy(this.createProtocolError('invalid receipt'));338 return;339 }340 this.readEmptyBody(frame, function() {341 this._receipts[id].call(this);342 delete this._receipts[id];343 beforeSendResponse();344 });345}346function onUnknownCommand(frame) {347 this.destroy(this.createProtocolError(348 'unknown command \'' + frame.command + '\''349 ));350}...
Connection.js
Source:Connection.js
...121 // Callbacks could be all rejected if someone has called `.dispose()`.122 if (callback) {123 this._callbacks.delete(object.id);124 if (object.error)125 callback.reject(createProtocolError(callback.error, callback.method, object));126 else127 callback.resolve(object.result);128 }129 } else {130 this.emit(object.method, object.params);131 }132 }133 _onClose() {134 if (this._closed)135 return;136 this._closed = true;137 this._transport.onmessage = null;138 this._transport.onclose = null;139 for (const callback of this._callbacks.values())140 callback.reject(rewriteError(callback.error, `Protocol error (${callback.method}): Target closed.`));141 this._callbacks.clear();142 for (const session of this._sessions.values())143 session._onClosed();144 this._sessions.clear();145 this.emit(Events.Connection.Disconnected);146 }147 dispose() {148 this._onClose();149 this._transport.close();150 }151 /**152 * @param {Protocol.Target.TargetInfo} targetInfo153 * @return {!Promise<!CDPSession>}154 */155 async createSession(targetInfo) {156 const {157 sessionId158 } = await this.send('Target.attachToTarget', {159 targetId: targetInfo.targetId,160 flatten: true161 });162 return this._sessions.get(sessionId);163 }164}165class CDPSession extends EventEmitter {166 /**167 * @param {!Connection} connection168 * @param {string} targetType169 * @param {string} sessionId170 */171 constructor(connection, targetType, sessionId) {172 super();173 /** @type {!Map<number, {resolve: function, reject: function, error: !Error, method: string}>}*/174 this._callbacks = new Map();175 this._connection = connection;176 this._targetType = targetType;177 this._sessionId = sessionId;178 }179 /**180 * @param {string} method181 * @param {!Object=} params182 * @return {!Promise<?Object>}183 */184 send(method, params = {}) {185 if (!this._connection)186 return Promise.reject(new Error(`Protocol error (${method}): Session closed. Most likely the ${this._targetType} has been closed.`));187 const id = this._connection._rawSend({188 sessionId: this._sessionId,189 method,190 params191 });192 return new Promise((resolve, reject) => {193 this._callbacks.set(id, {194 resolve,195 reject,196 error: new Error(),197 method198 });199 });200 }201 /**202 * @param {{id?: number, method: string, params: Object, error: {message: string, data: any}, result?: *}} object203 */204 _onMessage(object) {205 if (object.id && this._callbacks.has(object.id)) {206 const callback = this._callbacks.get(object.id);207 this._callbacks.delete(object.id);208 if (object.error)209 callback.reject(createProtocolError(callback.error, callback.method, object));210 else211 callback.resolve(object.result);212 } else {213 assert(!object.id);214 this.emit(object.method, object.params);215 }216 }217 async detach() {218 if (!this._connection)219 throw new Error(`Session already detached. Most likely the ${this._targetType} has been closed.`);220 await this._connection.send('Target.detachFromTarget', {221 sessionId: this._sessionId222 });223 }224 _onClosed() {225 for (const callback of this._callbacks.values())226 callback.reject(rewriteError(callback.error, `Protocol error (${callback.method}): Target closed.`));227 this._callbacks.clear();228 this._connection = null;229 this.emit(Events.CDPSession.Disconnected);230 }231}232/**233 * @param {!Error} error234 * @param {string} method235 * @param {{error: {message: string, data: any}}} object236 * @return {!Error}237 */238function createProtocolError(error, method, object) {239 let message = `Protocol error (${method}): ${object.error.message}`;240 if ('data' in object.error)241 message += ` ${object.error.data}`;242 return rewriteError(error, message);243}244/**245 * @param {!Error} error246 * @param {string} message247 * @return {!Error}248 */249function rewriteError(error, message) {250 error.message = message;251 return error;252}...
wkConnection.js
Source:wkConnection.js
...158 dispatchMessage(object) {159 if (object.id && this._callbacks.has(object.id)) {160 const callback = this._callbacks.get(object.id);161 this._callbacks.delete(object.id);162 if (object.error) callback.reject(createProtocolError(callback.error, callback.method, object.error));else callback.resolve(object.result);163 } else if (object.id && !object.error) {164 // Response might come after session has been disposed and rejected all callbacks.165 (0, _utils.assert)(this.isDisposed());166 } else {167 Promise.resolve().then(() => this.emit(object.method, object.params));168 }169 }170}171exports.WKSession = WKSession;172function createProtocolError(error, method, protocolError) {173 let message = `Protocol error (${method}): ${protocolError.message}`;174 if ('data' in protocolError) message += ` ${JSON.stringify(protocolError.data)}`;175 return (0, _stackTrace.rewriteErrorMessage)(error, message);...
Using AI Code Generation
1const puppeteer = require('puppeteer');2(async () => {3 const browser = await puppeteer.launch();4 const page = await browser.newPage();5 const error = await page.evaluate(() => {6 const error = new Error('Custom error message');7 error.stack = 'Custom stack';8 return error;9 });10 const protocolError = await page.createCDPSession().createProtocolError(error);11 console.log(protocolError);12 await browser.close();13})();14{15}16const puppeteer = require('puppeteer');17(async () => {18 const browser = await puppeteer.launch();19 const page = await browser.newPage();20 const error = await page.evaluate(() => {21 const error = new Error('Custom error message');22 error.stack = 'Custom stack';23 return error;24 });25 const protocolError = await page.createCDPSession().createProtocolError(error);26 console.log(protocolError);27 await browser.close();28})();29{30}31const puppeteer = require('puppeteer');32(async () => {33 const browser = await puppeteer.launch();34 const page = await browser.newPage();35 const error = await page.evaluate(() => {36 const error = new Error('Custom error message');37 error.stack = 'Custom stack';38 return error;39 });40 const protocolError = await page.createCDPSession().createProtocolError(error);41 console.log(protocolError);42 await browser.close();43})();44{45}46const puppeteer = require('puppeteer');47(async () => {48 const browser = await puppeteer.launch();49 const page = await browser.newPage();
Using AI Code Generation
1(async () => {2 const browser = await puppeteer.launch({headless: false});3 const page = await browser.newPage();4 const client = await page.target().createCDPSession();5 await client.send('Network.enable');6 await client.send('Network.setRequestInterception', {patterns: [{urlPattern: '*'}]});7 client.on('Network.requestInterception', async ({requestId}) => {8 const error = await client.send('Network.createProtocolError', {9 });10 console.log(error);11 });12})();13 at CDPSession._onMessage (C:\Users\kshit\Desktop\puppeteer\puppeteer\lib\Connection.js:200:24)14 at Connection._onMessage (C:\Users\kshit\Desktop\puppeteer\puppeteer\lib\Connection.js:112:17)15 at emitOne (events.js:116:13)16 at WebSocket.emit (events.js:211:7)17 at Receiver._receiver.onmessage (C:\Users\kshit\Desktop\puppeteer\puppeteer\node_modules\ws\lib\WebSocket.js:143:47)18 at Receiver.dataMessage (C:\Users\kshit\Desktop\puppeteer\puppeteer\node_modules\ws\lib\Receiver.js:389:14)19 at Receiver.getData (C:\Users\kshit\Desktop\puppeteer\puppeteer\node_modules\ws\lib\Receiver.js:330:12)20 at Receiver.startLoop (C:\Users\kshit\Desktop\puppeteer\puppeteer\node_modules\ws\lib\Receiver.js:165:16)21 at Receiver.add (C:\Users\kshit\Desktop\puppeteer\puppeteer\node_modules\ws\lib\Receiver.js:139:10)22 at TLSSocket._ultron.on (C:\Users\kshit\Desktop\puppeteer\puppeteer\node_modules\ws\lib\WebSocket.js:138:22)
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