mirror of
https://github.com/puppeteer/puppeteer
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4b0fd8bc30
TypeScript seems to struggle to understand `Promise.all` when the items in the array return different types. If we were authoring in TS we could fix this with TS generics (`Promise.all<OurTypeHere>(...)`) but for now we can typecast the result. We'll fix this properly when we author in TS.
70 lines
1.8 KiB
JavaScript
70 lines
1.8 KiB
JavaScript
/**
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* Copyright 2018 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const NodeWebSocket = require('ws');
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/**
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* @implements {!Puppeteer.ConnectionTransport}
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*/
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class WebSocketTransport {
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/**
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* @param {string} url
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* @return {!Promise<!WebSocketTransport>}
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*/
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static create(url) {
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return new Promise((resolve, reject) => {
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const ws = new NodeWebSocket(url, [], {
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perMessageDeflate: false,
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maxPayload: 256 * 1024 * 1024, // 256Mb
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});
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ws.addEventListener('open', () => resolve(new WebSocketTransport(ws)));
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ws.addEventListener('error', reject);
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});
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}
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/**
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* @param {!NodeWebSocket} ws
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*/
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constructor(ws) {
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this._ws = ws;
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this._ws.addEventListener('message', event => {
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if (this.onmessage)
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this.onmessage.call(null, event.data);
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});
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this._ws.addEventListener('close', event => {
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if (this.onclose)
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this.onclose.call(null);
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});
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// Silently ignore all errors - we don't know what to do with them.
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this._ws.addEventListener('error', () => {});
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this.onmessage = null;
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this.onclose = null;
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}
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/**
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* @param {string} message
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*/
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send(message) {
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this._ws.send(message);
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}
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close() {
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this._ws.close();
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}
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}
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module.exports = WebSocketTransport;
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