Files
ArchiveBox/archivebox/plugins/consolelog/on_Snapshot__21_consolelog.js
2025-12-25 01:10:41 -08:00

295 lines
8.9 KiB
JavaScript
Executable File

#!/usr/bin/env node
/**
* Capture console output from a page.
*
* Captures all console messages during page load:
* - log, warn, error, info, debug
* - Includes stack traces for errors
* - Timestamps for each message
*
* Usage: on_Snapshot__14_consolelog.js --url=<url> --snapshot-id=<uuid>
* Output: Writes consolelog/console.jsonl (one message per line)
*
* Environment variables:
* SAVE_CONSOLELOG: Enable console log capture (default: true)
* CONSOLELOG_TIMEOUT: Capture duration in seconds (default: 5)
*/
const fs = require('fs');
const path = require('path');
const puppeteer = require('puppeteer-core');
// Extractor metadata
const EXTRACTOR_NAME = 'consolelog';
const OUTPUT_DIR = '.';
const OUTPUT_FILE = 'console.jsonl';
const CHROME_SESSION_DIR = '../chrome_session';
// Parse command line arguments
function parseArgs() {
const args = {};
process.argv.slice(2).forEach(arg => {
if (arg.startsWith('--')) {
const [key, ...valueParts] = arg.slice(2).split('=');
args[key.replace(/-/g, '_')] = valueParts.join('=') || true;
}
});
return args;
}
// Get environment variable with default
function getEnv(name, defaultValue = '') {
return (process.env[name] || defaultValue).trim();
}
function getEnvBool(name, defaultValue = false) {
const val = getEnv(name, '').toLowerCase();
if (['true', '1', 'yes', 'on'].includes(val)) return true;
if (['false', '0', 'no', 'off'].includes(val)) return false;
return defaultValue;
}
function getEnvInt(name, defaultValue = 0) {
const val = parseInt(getEnv(name, String(defaultValue)), 10);
return isNaN(val) ? defaultValue : val;
}
// Get CDP URL from chrome_session
function getCdpUrl() {
const cdpFile = path.join(CHROME_SESSION_DIR, 'cdp_url.txt');
if (fs.existsSync(cdpFile)) {
return fs.readFileSync(cdpFile, 'utf8').trim();
}
return null;
}
// Serialize console message arguments
async function serializeArgs(args) {
const serialized = [];
for (const arg of args) {
try {
const json = await arg.jsonValue();
serialized.push(json);
} catch (e) {
// If jsonValue() fails, try to get text representation
try {
serialized.push(String(arg));
} catch (e2) {
serialized.push('[Unserializable]');
}
}
}
return serialized;
}
// Capture console logs
async function captureConsoleLogs(url) {
const captureTimeout = (getEnvInt('CONSOLELOG_TIMEOUT') || 5) * 1000;
// Output directory is current directory (hook already runs in output dir)
const outputPath = path.join(OUTPUT_DIR, OUTPUT_FILE);
// Clear existing file
fs.writeFileSync(outputPath, '');
let browser = null;
const consoleLogs = [];
try {
// Connect to existing Chrome session
const cdpUrl = getCdpUrl();
if (!cdpUrl) {
return { success: false, error: 'No Chrome session found (chrome_session extractor must run first)' };
}
browser = await puppeteer.connect({
browserWSEndpoint: cdpUrl,
});
// Get the page
const pages = await browser.pages();
const page = pages.find(p => p.url().startsWith('http')) || pages[0];
if (!page) {
return { success: false, error: 'No page found in Chrome session' };
}
// Listen for console messages
page.on('console', async (msg) => {
try {
const type = msg.type();
const text = msg.text();
const location = msg.location();
const args = await serializeArgs(msg.args());
const logEntry = {
timestamp: new Date().toISOString(),
type,
text,
args,
location: {
url: location.url || '',
lineNumber: location.lineNumber,
columnNumber: location.columnNumber,
},
};
// Write immediately to file
fs.appendFileSync(outputPath, JSON.stringify(logEntry) + '\n');
consoleLogs.push(logEntry);
} catch (e) {
// Error processing console message, skip it
console.error(`Error processing console message: ${e.message}`);
}
});
// Listen for page errors
page.on('pageerror', (error) => {
try {
const logEntry = {
timestamp: new Date().toISOString(),
type: 'error',
text: error.message,
stack: error.stack || '',
location: {},
};
fs.appendFileSync(outputPath, JSON.stringify(logEntry) + '\n');
consoleLogs.push(logEntry);
} catch (e) {
console.error(`Error processing page error: ${e.message}`);
}
});
// Listen for request failures
page.on('requestfailed', (request) => {
try {
const failure = request.failure();
const logEntry = {
timestamp: new Date().toISOString(),
type: 'request_failed',
text: `Request failed: ${request.url()}`,
error: failure ? failure.errorText : 'Unknown error',
url: request.url(),
location: {},
};
fs.appendFileSync(outputPath, JSON.stringify(logEntry) + '\n');
consoleLogs.push(logEntry);
} catch (e) {
console.error(`Error processing request failure: ${e.message}`);
}
});
// Wait to capture logs
await new Promise(resolve => setTimeout(resolve, captureTimeout));
// Group logs by type
const logStats = consoleLogs.reduce((acc, log) => {
acc[log.type] = (acc[log.type] || 0) + 1;
return acc;
}, {});
return {
success: true,
output: outputPath,
logCount: consoleLogs.length,
logStats,
};
} catch (e) {
return { success: false, error: `${e.name}: ${e.message}` };
} finally {
if (browser) {
browser.disconnect();
}
}
}
async function main() {
const args = parseArgs();
const url = args.url;
const snapshotId = args.snapshot_id;
if (!url || !snapshotId) {
console.error('Usage: on_Snapshot__14_consolelog.js --url=<url> --snapshot-id=<uuid>');
process.exit(1);
}
const startTs = new Date();
let status = 'failed';
let output = null;
let error = '';
let logCount = 0;
try {
// Check if enabled
if (!getEnvBool('SAVE_CONSOLELOG', true)) {
console.log('Skipping console log (SAVE_CONSOLELOG=False)');
status = 'skipped';
const endTs = new Date();
console.log(`START_TS=${startTs.toISOString()}`);
console.log(`END_TS=${endTs.toISOString()}`);
console.log(`STATUS=${status}`);
console.log(`RESULT_JSON=${JSON.stringify({extractor: EXTRACTOR_NAME, status, url, snapshot_id: snapshotId})}`);
process.exit(0);
}
const result = await captureConsoleLogs(url);
if (result.success) {
status = 'succeeded';
output = result.output;
logCount = result.logCount || 0;
const statsStr = Object.entries(result.logStats || {})
.map(([type, count]) => `${count} ${type}`)
.join(', ');
console.log(`Captured ${logCount} console messages: ${statsStr}`);
} else {
status = 'failed';
error = result.error;
}
} catch (e) {
error = `${e.name}: ${e.message}`;
status = 'failed';
}
const endTs = new Date();
const duration = (endTs - startTs) / 1000;
// Print results
console.log(`START_TS=${startTs.toISOString()}`);
console.log(`END_TS=${endTs.toISOString()}`);
console.log(`DURATION=${duration.toFixed(2)}`);
if (output) {
console.log(`OUTPUT=${output}`);
}
console.log(`STATUS=${status}`);
if (error) {
console.error(`ERROR=${error}`);
}
// Print JSON result
const resultJson = {
extractor: EXTRACTOR_NAME,
url,
snapshot_id: snapshotId,
status,
start_ts: startTs.toISOString(),
end_ts: endTs.toISOString(),
duration: Math.round(duration * 100) / 100,
output,
log_count: logCount,
error: error || null,
};
console.log(`RESULT_JSON=${JSON.stringify(resultJson)}`);
process.exit(status === 'succeeded' ? 0 : 1);
}
main().catch(e => {
console.error(`Fatal error: ${e.message}`);
process.exit(1);
});