@xrplf/isomorphic
Version:
A collection of isomorphic and tree-shakeable crypto hashes and utils for xrpl.js
71 lines • 1.98 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/* eslint-disable max-classes-per-file -- Needs to be a wrapper for ws */
const eventemitter3_1 = require("eventemitter3");
/**
* Provides `EventEmitter` interface for native browser `WebSocket`,
* same, as `ws` package provides.
*/
class WSWrapper extends eventemitter3_1.EventEmitter {
/**
* Constructs a browser-safe websocket.
*
* @param url - URL to connect to.
* @param _protocols - Not used.
* @param _websocketOptions - Not used.
*/
constructor(url, _protocols, _websocketOptions) {
super();
this.ws = new WebSocket(url);
this.ws.onclose = (closeEvent) => {
let reason;
if (closeEvent.reason) {
const enc = new TextEncoder();
reason = enc.encode(closeEvent.reason);
}
this.emit('close', closeEvent.code, reason);
};
this.ws.onopen = () => {
this.emit('open');
};
this.ws.onerror = (error) => {
this.emit('error', error);
};
this.ws.onmessage = (message) => {
this.emit('message', message.data);
};
}
/**
* Get the ready state of the websocket.
*
* @returns The Websocket's ready state.
*/
get readyState() {
return this.ws.readyState;
}
/**
* Closes the websocket.
*
* @param code - Close code.
* @param reason - Close reason.
*/
close(code, reason) {
if (this.readyState === 1) {
this.ws.close(code, reason);
}
}
/**
* Sends a message over the Websocket connection.
*
* @param message - Message to send.
*/
send(message) {
this.ws.send(message);
}
}
WSWrapper.CONNECTING = 0;
WSWrapper.OPEN = 1;
WSWrapper.CLOSING = 2;
WSWrapper.CLOSED = 3;
exports.default = WSWrapper;
//# sourceMappingURL=browser.js.map