57 lines
1.4 KiB
JavaScript
Executable File
57 lines
1.4 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/**
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* Execute JavaScript in page context
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* Usage: node evaluate.js --script "document.title" [--url https://example.com]
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*/
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import { getBrowser, getPage, closeBrowser, disconnectBrowser, parseArgs, outputJSON, outputError } from './lib/browser.js';
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async function evaluate() {
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const args = parseArgs(process.argv.slice(2));
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if (!args.script) {
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outputError(new Error('--script is required'));
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return;
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}
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try {
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const browser = await getBrowser({
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headless: args.headless
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});
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const page = await getPage(browser);
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// Navigate if URL provided
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if (args.url) {
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await page.goto(args.url, {
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waitUntil: args['wait-until'] || 'networkidle2'
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});
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}
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const result = await page.evaluate(async (script) => {
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// Wrap in async IIFE so user scripts can use await
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// eslint-disable-next-line no-eval
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return await eval(`(async () => { return ${script}; })()`);
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}, args.script);
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outputJSON({
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success: true,
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result: result,
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url: page.url()
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});
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// Default: disconnect to keep browser running for session persistence
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// Use --close true to fully close browser
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if (args.close === 'true') {
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await closeBrowser();
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} else {
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await disconnectBrowser();
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}
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process.exit(0);
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} catch (error) {
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outputError(error);
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process.exit(1);
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}
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}
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evaluate();
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