2025-04-02 06:50:39 -04:00

84 lines
2.3 KiB
JavaScript

'use strict';
const { webidl } = require('../../fetch/webidl');
const { validateCloseCodeAndReason } = require('../util');
const { kConstruct } = require('../../../core/symbols');
const { kEnumerableProperty } = require('../../../core/util');
class WebSocketError extends DOMException {
#closeCode;
#reason;
constructor(message = '', init = undefined) {
message = webidl.converters.DOMString(message, 'WebSocketError', 'message');
// 1. Set this 's name to " WebSocketError ".
// 2. Set this 's message to message .
super(message, 'WebSocketError');
if (init === kConstruct) {
return;
} else if (init !== null) {
init = webidl.converters.WebSocketCloseInfo(init);
}
// 3. Let code be init [" closeCode "] if it exists , or null otherwise.
let code = init.closeCode ?? null;
// 4. Let reason be init [" reason "] if it exists , or the empty string otherwise.
const reason = init.reason ?? '';
// 5. Validate close code and reason with code and reason .
validateCloseCodeAndReason(code, reason);
// 6. If reason is non-empty, but code is not set, then set code to 1000 ("Normal Closure").
if (reason.length !== 0 && code === null) {
code = 1000;
}
// 7. Set this 's closeCode to code .
this.#closeCode = code;
// 8. Set this 's reason to reason .
this.#reason = reason;
}
get closeCode() {
return this.#closeCode;
}
get reason() {
return this.#reason;
}
/**
* @param {string} message
* @param {number|null} code
* @param {string} reason
*/
static createUnvalidatedWebSocketError(message, code, reason) {
const error = new WebSocketError(message, kConstruct);
error.#closeCode = code;
error.#reason = reason;
return error;
}
}
const { createUnvalidatedWebSocketError } = WebSocketError;
delete WebSocketError.createUnvalidatedWebSocketError;
Object.defineProperties(WebSocketError.prototype, {
closeCode: kEnumerableProperty,
reason: kEnumerableProperty,
[Symbol.toStringTag]: {
value: 'WebSocketError',
writable: false,
enumerable: false,
configurable: true,
},
});
webidl.is.WebSocketError = webidl.util.MakeTypeAssertion(WebSocketError);
module.exports = { WebSocketError, createUnvalidatedWebSocketError };