61 lines
2.7 KiB
JavaScript
61 lines
2.7 KiB
JavaScript
/* cdp-diag-videoinfo.mjs — 诊断视频详情渲染失败（09-01） */
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const CDP = 'http://127.0.0.1:9223';
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function cdp(ws, method, params = {}) {
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return new Promise((resolve, reject) => {
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const id = ++cdp._id;
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const w = new WebSocket(ws);
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const timer = setTimeout(() => { try { w.close(); } catch (e) {} reject(new Error('timeout: ' + method)); }, 30000);
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w.onopen = () => w.send(JSON.stringify({ id, method, params }));
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w.onmessage = (ev) => {
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const m = JSON.parse(ev.data);
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if (m.id !== id) return;
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clearTimeout(timer);
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try { w.close(); } catch (e) {}
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m.error ? reject(new Error(method + ': ' + JSON.stringify(m.error))) : resolve(m.result);
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};
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w.onerror = () => { clearTimeout(timer); reject(new Error('ws error: ' + method)); };
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});
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}
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cdp._id = 0;
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async function evalJs(ws, expr) {
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const r = await cdp(ws, 'Runtime.evaluate', { expression: expr, awaitPromise: true, returnByValue: true });
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return r.result && r.result.value;
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}
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const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
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async function main() {
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const tabs = await (await fetch(CDP + '/json')).json();
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const tab = tabs.find((x) => x.url.includes('localhost:8900')) || tabs.find((x) => x.type === 'page');
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const ws = tab.webSocketDebuggerUrl;
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await cdp(ws, 'Page.enable');
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await cdp(ws, 'Runtime.enable');
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const errors = [];
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const onEvt = (ev) => {
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const m = JSON.parse(ev.data);
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if (m.method === 'Runtime.exceptionThrown') errors.push(JSON.stringify(m.params.exceptionDetails).slice(0, 400));
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if (m.method === 'Runtime.consoleAPICalled' && m.params.type === 'error') errors.push('[console.error] ' + (m.params.args || []).map((a) => a.value || a.description || '').join(' ').slice(0, 300));
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};
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const sock = new WebSocket((await (await fetch(CDP + '/json')).json()).find((x) => x.id === tab.id).webSocketDebuggerUrl);
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sock.onmessage = onEvt;
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await new Promise((r) => (sock.onopen = r));
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await evalJs(ws, `location.href = 'http://localhost:8900/?v=diag1#/video/680'`);
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await sleep(4000);
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const state = await evalJs(ws, `(() => {
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const title = document.querySelector('.video-detail-title');
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const err = document.querySelector('.empty');
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return {
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hash: location.hash,
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hasTitle: !!title,
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emptyText: err ? err.textContent.trim().slice(0, 60) : '',
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bodyStart: document.body.textContent.trim().slice(0, 200),
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hasRenderFail: document.body.textContent.includes('渲染失败'),
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hasAccReset: document.body.textContent.includes('accReset')
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};
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})()`);
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console.log('STATE:', JSON.stringify(state, null, 2));
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console.log('JS ERRORS:', errors.length ? errors.join('\n') : '无');
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process.exit(0);
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}
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main().catch((e) => { console.error('ERROR:', e.message); process.exit(1); });
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