STOMP client for Javascript and Typescript. 

STOMP client for Javascript and Typescript

kdeepak

stomp-js

@stomp/stompjs

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import { FrameImpl } from './frame-impl';

import { StompSocketState, } from './types';

import { augmentWebsocket } from './augment-websocket';

    constructor(_client, _webSocket, config = {}) {

            // [CONNECTED Frame](http://stomp.github.com/stomp-specification-1.2.html#CONNECTED_Frame)

                this.debug(`connected to server ${frame.headers.server}`);

                this._connectedVersion = frame.headers.version;

                // STOMP version 1.2 needs header values to be escaped

                if (this._connectedVersion === Versions.V1_2) {

                    this._escapeHeaderValues = true;

                this._setupHeartbeat(frame.headers);

            // [MESSAGE Frame](http://stomp.github.com/stomp-specification-1.2.html#MESSAGE)

                // the callback is registered when the client calls

                // If there is no registered subscription for the received message,

                // the default `onUnhandledMessage` callback is used that the client can set.

                // This is useful for subscriptions that are automatically created

                // on the browser side (e.g. [RabbitMQ's temporary

                // queues](http://www.rabbitmq.com/stomp.html)).

                const subscription = frame.headers.subscription;

                const onReceive = this._subscriptions[subscription] || this.onUnhandledMessage;

                // bless the frame to be a Message

                const messageId = this._connectedVersion === Versions.V1_2

                    ? message.headers.ack

                    : message.headers['message-id'];

                // add `ack()` and `nack()` methods directly to the returned frame

                // so that a simple call to `message.ack()` can acknowledge the message.

                message.ack = (headers = {}) => {

                    return client.ack(messageId, subscription, headers);

                message.nack = (headers = {}) => {

                    return client.nack(messageId, subscription, headers);

            // [RECEIPT Frame](http://stomp.github.com/stomp-specification-1.2.html#RECEIPT)

                const callback = this._receiptWatchers[frame.headers['receipt-id']];

                    // Server will acknowledge only once, remove the callback

                    delete this._receiptWatchers[frame.headers['receipt-id']];

                    this.onUnhandledReceipt(frame);

            // [ERROR Frame](http://stomp.github.com/stomp-specification-1.2.html#ERROR)

                this.onStompError(frame);

        // subscription callbacks indexed by subscriber's ID

        // receipt-watchers indexed by receipts-ids

        this._escapeHeaderValues = false;

        this._lastServerActivityTS = Date.now();

        // bulk assign all properties to this

            const frame = FrameImpl.fromRawFrame(rawFrame, this._escapeHeaderValues);

        if (this.discardWebsocketOnCommFailure) {

            this.debug("Discarding websocket, the underlying socket may linger for a while");

            this.debug('Discarding websocket, the underlying socket may linger for a while');

            this.debug("Issuing close on the websocket");

            this.debug('Issuing close on the websocket');

            if (this._webSocket.readyState === StompSocketState.CONNECTING ||

                this._webSocket.readyState === StompSocketState.OPEN) {

                this._closeOrDiscardWebsocket();

        this._webSocket.onmessage = () => { }; // ignore messages

        if (!this._webSocket.terminate) {

            augmentWebsocket(this._webSocket, (msg) => this.debug(msg));

        const { command, headers, body, binaryBody, skipContentLengthHeader, } = params;

        const { command, headers, body, binaryBody, skipContentLengthHeader } = params;

            escapeHeaderValues: this._escapeHeaderValues,

        let rawChunk = frame.serialize();

            this.debug(`>>> ${rawChunk}`);

        if (this.forceBinaryWSFrames && typeof rawChunk === 'string') {

            rawChunk = new TextEncoder().encode(rawChunk);

        if (typeof rawChunk !== 'string' || !this.splitLargeFrames) {

            this._webSocket.send(rawChunk);

                const chunk = out.substring(0, this.maxWebSocketChunkSize);

                out = out.substring(this.maxWebSocketChunkSize);

                this._webSocket.send(chunk);

                this.debug(`chunk sent = ${chunk.length}, remaining = ${out.length}`);

                const disconnectHeaders = Object.assign({}, this.disconnectHeaders);

                if (!disconnectHeaders.receipt) {

                    disconnectHeaders.receipt = `close-${this._counter++}`;

                this.watchForReceipt(disconnectHeaders.receipt, frame => {

                    this._closeWebsocket();

                    this.onDisconnect(frame);

                this._transmit({ command: 'DISCONNECT', headers: disconnectHeaders });

                this.debug(`Ignoring error during disconnect ${error}`);

        const { destination, headers, body, binaryBody, skipContentLengthHeader, } = params;

        const { destination, headers, body, binaryBody, skipContentLengthHeader } = params;

        const hdrs = Object.assign({ destination }, headers);

    watchForReceipt(receiptId, callback) {

        this._receiptWatchers[receiptId] = callback;

    subscribe(destination, callback, headers = {}) {

        headers = Object.assign({}, headers);

            headers.id = `sub-${this._counter++}`;

        headers.destination = destination;

        this._subscriptions[headers.id] = callback;

        this._transmit({ command: 'SUBSCRIBE', headers });

                return client.unsubscribe(headers.id, hdrs);

        this._transmit({ command: 'UNSUBSCRIBE', headers });

        const txId = transactionId || `tx-${this._counter++}`;

                transaction: transactionId,

    ack(messageId, subscriptionId, headers = {}) {

        if (this._connectedVersion === Versions.V1_2) {

            headers['message-id'] = messageId;

		{
		"name": "@stomp/stompjs",
		"version": "6.1.1",
		"version": "6.1.2",
		"description": "STOMP client for Javascript and Typescript",
		@@ -5,0 +5,0 @@ "scripts": {

		@@ -185,7 +185,7 @@ import { BYTE } from './byte';
		if (this.discardWebsocketOnCommFailure) {
		this.debug("Discarding websocket, the underlying socket may linger for a while");
		this.debug('Discarding websocket, the underlying socket may linger for a while');
		this._discardWebsocket();
		}
		else {
		this.debug("Issuing close on the websocket");
		this.debug('Issuing close on the websocket');
		this._closeWebsocket();
		@@ -213,3 +213,3 @@ }
		_transmit(params) {
		const { command, headers, body, binaryBody, skipContentLengthHeader, } = params;
		const { command, headers, body, binaryBody, skipContentLengthHeader } = params;
		const frame = new FrameImpl({
		@@ -282,3 +282,3 @@ command,
		publish(params) {
		const { destination, headers, body, binaryBody, skipContentLengthHeader, } = params;
		const { destination, headers, body, binaryBody, skipContentLengthHeader } = params;
		const hdrs = Object.assign({ destination }, headers);
		@@ -285,0 +285,0 @@ this._transmit({

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