| |
| const list = await (await fetch('http://127.0.0.1:9222/json/list')).json() |
| const tgt = list.find(t => t.type === 'page' && t.url.startsWith('http')) |
| console.log('target:', tgt?.url) |
| if (!tgt) process.exit(1) |
| const ws = new WebSocket(tgt.webSocketDebuggerUrl) |
| let id = 0 |
| const pending = new Map() |
| ws.addEventListener('message', ev => { |
| const m = JSON.parse(ev.data) |
| if (m.id != null && pending.has(m.id)) { |
| pending.get(m.id)(m) |
| pending.delete(m.id) |
| } |
| }) |
| await new Promise(r => ws.addEventListener('open', r)) |
| const send = (method, params = {}) => |
| new Promise(r => { |
| const i = ++id |
| pending.set(i, r) |
| ws.send(JSON.stringify({ id: i, method, params })) |
| }) |
|
|
| const r = await send('Runtime.evaluate', { |
| expression: `({ |
| url: location.href, |
| title: document.title, |
| rootChildren: document.getElementById('root')?.children.length ?? 0, |
| rootInner: (document.getElementById('root')?.innerHTML ?? '').slice(0, 300), |
| hasComposer: !!document.querySelector('[data-slot="composer-rich-input"]'), |
| bootStage: (document.querySelector('[data-slot*="boot"]')?.getAttribute('data-slot')) ?? null, |
| bodyText: document.body.innerText.slice(0, 300), |
| errorCount: window.__errors?.length ?? 'n/a' |
| })`, |
| returnByValue: true |
| }) |
| console.log('raw:', JSON.stringify(r, null, 2)) |
| ws.close() |
|
|
