divvy-lib/dist/npm/common/wswrapper.js

A JavaScript API for interacting with Divvy in Node.js and the browser

"use strict";
const events_1 = require("events");
/**
 * Provides `EventEmitter` interface for native browser `WebSocket`,
 * same, as `ws` package provides.
 */
class WSWrapper extends events_1.EventEmitter {
    constructor(url, _protocols, _websocketOptions) {
        super();
        this.setMaxListeners(Infinity);
        this._ws = new WebSocket(url);
        this._ws.onclose = () => {
            this.emit('close');
        };
        this._ws.onopen = () => {
            this.emit('open');
        };
        this._ws.onerror = error => {
            this.emit('error', error);
        };
        this._ws.onmessage = message => {
            this.emit('message', message.data);
        };
    }
    close() {
        if (this.readyState === 1) {
            this._ws.close();
        }
    }
    send(message) {
        this._ws.send(message);
    }
    get readyState() {
        return this._ws.readyState;
    }
}
WSWrapper.CONNECTING = 0;
WSWrapper.OPEN = 1;
WSWrapper.CLOSING = 2;
WSWrapper.CLOSED = 3;
module.exports = WSWrapper;
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