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Lazy-load puppeteer to fix tsx watch hanging on startup

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Puppeteer import at top level was blocking tsx watch mode,
preventing the server from starting. Now imported dynamically
only when a JS-rendered store is actually scraped.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
mariosemes
2026-03-26 22:08:09 +01:00
parent 42f2cab158
commit fe56c3b17e
2 changed files with 5 additions and 4 deletions
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4
package.json
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@@ -4,9 +4,9 @@
"private": true, "private": true,
"type": "module", "type": "module",
"scripts": { "scripts": {
"dev:server": "tsx watch src/server/index.ts", "dev:server": "tsx watch --clear-screen=false src/server/index.ts",
"dev:client": "cd src/client && npm run dev", "dev:client": "cd src/client && npm run dev",
"dev": "concurrently \"npm run dev:server\" \"npm run dev:client\"", "dev": "concurrently --names server,client \"npm run dev:server\" \"npm run dev:client\"",
"build:client": "cd src/client && npm run build", "build:client": "cd src/client && npm run build",
"build:server": "tsc", "build:server": "tsc",
"build": "npm run build:client && npm run build:server", "build": "npm run build:client && npm run build:server",

5
src/server/scraper/browser-scraper.ts
View File

@@ -1,4 +1,4 @@
import puppeteer, { type Browser } from 'puppeteer'; import type { Browser } from 'puppeteer';
import type { Store } from '../models/store.js'; import type { Store } from '../models/store.js';
import type { ScrapedItem } from './result-parser.js'; import type { ScrapedItem } from './result-parser.js';
@@ -10,7 +10,8 @@ const NAVIGATION_TIMEOUT = 20_000;
async function getBrowser(): Promise<Browser> { async function getBrowser(): Promise<Browser> {
if (browser && browser.connected) return browser; if (browser && browser.connected) return browser;
browser = await puppeteer.launch({ const puppeteer = await import('puppeteer');
browser = await puppeteer.default.launch({
headless: true, headless: true,
args: [ args: [
'--no-sandbox', '--no-sandbox',