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lib/cdp: defer importing ws

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This commit is contained in:
CanadaHonk 2023-01-29 18:36:18 +00:00
parent d48ee2fad7
commit d0328554cc
1 changed files with 5 additions and 2 deletions
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7
src/lib/cdp.js
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@ -1,7 +1,7 @@
import WebSocket from 'ws';
import { get } from 'http';
import { log } from './logger.js';
let WebSocket;
const logCDP = process.argv.includes('--cdp-logging');
export default async ({ pipe: { pipeWrite, pipeRead } = {}, port }) => {
@ -56,6 +56,9 @@ export default async ({ pipe: { pipeWrite, pipeRead } = {}, port }) => {
};
if (port) {
// begin importing ws in the background if not already
if (!WebSocket) WebSocket = import('ws');
const continualTrying = func => new Promise(resolve => {
const attempt = async () => {
try {
@ -85,7 +88,7 @@ export default async ({ pipe: { pipeWrite, pipeRead } = {}, port }) => {
log('got main process target websocket url:', wsUrl);
const ws = new WebSocket(wsUrl);
const ws = new (await WebSocket).default(wsUrl);
await new Promise(resolve => ws.on('open', resolve));
ws.on('message', data => onMessage(data));