mcp_web_dev_server/dist/tools/browser/browserManager.js

import { chromium } from 'playwright';
import { logger } from '../../lib/logger.js';
class BrowserManager {
    session = null;
    async getSession(headless = true) {
        if (this.session)
            return this.session;
        try {
            const browser = await chromium.launch({ headless });
            const context = await browser.newContext({ viewport: { width: 1280, height: 720 } });
            const page = await context.newPage();
            const consoleLogs = [];
            page.on('console', (msg) => {
                const location = msg.location();
                consoleLogs.push({
                    type: msg.type(),
                    text: msg.text(),
                    location: `${location.url}:${location.lineNumber}:${location.columnNumber}`,
                    time: new Date().toISOString(),
                });
            });
            page.on('pageerror', (error) => {
                consoleLogs.push({
                    type: 'error',
                    text: `Page error: ${error.message}`,
                    time: new Date().toISOString(),
                });
            });
            page.on('requestfailed', (request) => {
                consoleLogs.push({
                    type: 'error',
                    text: `Network request failed: ${request.method()} ${request.url()}`,
                    time: new Date().toISOString(),
                });
            });
            this.session = { browser, context, page, consoleLogs };
            return this.session;
        }
        catch (error) {
            const message = error instanceof Error ? error.message : String(error);
            if (message.includes("Executable doesn't exist") || message.includes('browserType.launch')) {
                throw new Error('Playwright Chromium browser is not installed. ' +
                    'Install it with: npx playwright install chromium');
            }
            throw error;
        }
    }
    async close() {
        if (!this.session)
            return;
        try {
            await this.session.browser.close();
        }
        catch (error) {
            logger.error('error closing browser', { error: error instanceof Error ? error.message : error });
        }
        finally {
            this.session = null;
        }
    }
    resetLogs() {
        if (this.session) {
            this.session.consoleLogs.length = 0;
        }
    }
}
export const browserManager = new BrowserManager();
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