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