browse/dist/browser.js

import { resolve } from 'node:path';
import { webkit } from 'playwright';
import * as image from './image.js';
export class ClaudeBrowser {
    browser = null;
    context = null;
    page = null;
    options;
    consoleMessages = [];
    constructor(options = {}) {
        this.options = {
            headless: options.headless ?? true,
            width: options.width ?? 1280,
            height: options.height ?? 800,
        };
    }
    async launch() {
        this.browser = await webkit.launch({ headless: this.options.headless });
        this.context = await this.browser.newContext({
            viewport: {
                width: this.options.width,
                height: this.options.height,
            },
        });
        this.page = await this.context.newPage();
        this.setupConsoleListener(this.page);
    }
    setupConsoleListener(page) {
        page.on('console', (msg) => {
            const location = msg.location();
            this.consoleMessages.push({
                level: msg.type(),
                text: msg.text(),
                timestamp: Date.now(),
                location: location.url ? `${location.url}:${location.lineNumber}` : undefined,
            });
        });
    }
    async close() {
        if (this.browser) {
            await this.browser.close();
            this.browser = null;
            this.context = null;
            this.page = null;
        }
    }
    ensurePage() {
        if (!this.page) {
            throw new Error('Browser not launched. Call launch() first.');
        }
        return this.page;
    }
    /** Get the current page instance (for advanced usage) */
    getPage() {
        return this.page;
    }
    /** Get the browser context (for advanced usage like cookies) */
    getContext() {
        return this.context;
    }
    async goto(url) {
        const page = this.ensurePage();
        await page.goto(url, { waitUntil: 'networkidle' });
        return { url: page.url(), title: await page.title() };
    }
    async click(selector) {
        const page = this.ensurePage();
        await page.click(selector);
        await page.waitForLoadState('networkidle').catch(() => { });
        return { url: page.url() };
    }
    async type(selector, text) {
        const page = this.ensurePage();
        await page.fill(selector, text);
    }
    async query(selector) {
        const page = this.ensurePage();
        return page.$$eval(selector, (nodes) => nodes.map((el) => {
            const attrs = {};
            for (const attr of el.attributes) {
                attrs[attr.name] = attr.value;
            }
            return {
                tag: el.tagName.toLowerCase(),
                text: el.textContent?.trim().slice(0, 200) || '',
                attributes: attrs,
            };
        }));
    }
    async screenshot(path, fullPage = false) {
        const page = this.ensurePage();
        const resolvedPath = resolve(path || 'screenshot.png');
        const buffer = await page.screenshot({ path: resolvedPath, fullPage });
        return { path: resolvedPath, buffer };
    }
    async getUrl() {
        const page = this.ensurePage();
        return { url: page.url(), title: await page.title() };
    }
    async getHtml(full = false) {
        const page = this.ensurePage();
        const html = await page.content();
        return full ? html : html.slice(0, 10000);
    }
    async back() {
        const page = this.ensurePage();
        await page.goBack();
        return { url: page.url() };
    }
    async forward() {
        const page = this.ensurePage();
        await page.goForward();
        return { url: page.url() };
    }
    async reload() {
        const page = this.ensurePage();
        await page.reload();
        return { url: page.url() };
    }
    async wait(ms = 1000) {
        const page = this.ensurePage();
        await page.waitForTimeout(ms);
    }
    async newPage() {
        if (!this.context) {
            throw new Error('Browser not launched. Call launch() first.');
        }
        this.page = await this.context.newPage();
        this.setupConsoleListener(this.page);
    }
    async eval(script) {
        const page = this.ensurePage();
        return page.evaluate(script);
    }
    getConsole(level, clear = false) {
        let messages = this.consoleMessages;
        if (level && level !== 'all') {
            messages = messages.filter((m) => m.level === level);
        }
        if (clear) {
            this.consoleMessages = [];
        }
        return messages;
    }
    clearConsole() {
        this.consoleMessages = [];
    }
    async executeCommand(cmd) {
        try {
            switch (cmd.cmd) {
                case 'goto': {
                    const result = await this.goto(cmd.url);
                    return { ok: true, ...result };
                }
                case 'click': {
                    const result = await this.click(cmd.selector);
                    return { ok: true, ...result };
                }
                case 'type': {
                    await this.type(cmd.selector, cmd.text);
                    return { ok: true };
                }
                case 'query': {
                    const elements = await this.query(cmd.selector);
                    return { ok: true, count: elements.length, elements };
                }
                case 'screenshot': {
                    const result = await this.screenshot(cmd.path, cmd.fullPage);
                    return { ok: true, path: result.path };
                }
                case 'url': {
                    const result = await this.getUrl();
                    return { ok: true, ...result };
                }
                case 'html': {
                    const html = await this.getHtml(cmd.full);
                    return { ok: true, html };
                }
                case 'back': {
                    const result = await this.back();
                    return { ok: true, ...result };
                }
                case 'forward': {
                    const result = await this.forward();
                    return { ok: true, ...result };
                }
                case 'reload': {
                    const result = await this.reload();
                    return { ok: true, ...result };
                }
                case 'wait': {
                    await this.wait(cmd.ms);
                    return { ok: true };
                }
                case 'newpage': {
                    await this.newPage();
                    return { ok: true };
                }
                case 'close': {
                    await this.close();
                    return { ok: true };
                }
                case 'eval': {
                    const result = await this.eval(cmd.script);
                    return { ok: true, result };
                }
                case 'console': {
                    const messages = this.getConsole(cmd.level, cmd.clear);
                    return { ok: true, count: messages.length, messages };
                }
                case 'favicon': {
                    const result = await image.createFavicon(cmd.input, cmd.outputDir);
                    return { ok: true, files: result.files, outputDir: result.outputDir };
                }
                case 'convert': {
                    const result = await image.convert(cmd.input, cmd.output, cmd.format);
                    return {
                        ok: true,
                        path: result.path,
                        width: result.width,
                        height: result.height,
                        format: result.format,
                        size: result.size,
                    };
                }
                case 'resize': {
                    const result = await image.resize(cmd.input, cmd.output, cmd.width, cmd.height, cmd.fit);
                    return {
                        ok: true,
                        path: result.path,
                        width: result.width,
                        height: result.height,
                        format: result.format,
                        size: result.size,
                    };
                }
                case 'crop': {
                    const result = await image.crop(cmd.input, cmd.output, cmd.left, cmd.top, cmd.width, cmd.height);
                    return {
                        ok: true,
                        path: result.path,
                        width: result.width,
                        height: result.height,
                        format: result.format,
                        size: result.size,
                    };
                }
                case 'compress': {
                    const result = await image.compress(cmd.input, cmd.output, cmd.quality);
                    return {
                        ok: true,
                        path: result.path,
                        width: result.width,
                        height: result.height,
                        format: result.format,
                        size: result.size,
                    };
                }
                case 'thumbnail': {
                    const result = await image.thumbnail(cmd.input, cmd.output, cmd.size);
                    return {
                        ok: true,
                        path: result.path,
                        width: result.width,
                        height: result.height,
                        format: result.format,
                        size: result.size,
                    };
                }
                default: {
                    const _exhaustive = cmd;
                    return { ok: false, error: `Unknown command: ${_exhaustive.cmd}` };
                }
            }
        }
        catch (err) {
            return { ok: false, error: err.message };
        }
    }
}
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