@lidofinance/browser-service/dist/src/browser.context.service.js

This package provides the BrowserService class for initializing and managing a Playwright browser context, network configurations, and wallets (EOA or WalletConnect). It facilitates automated testing of interactions with Web3 wallets (e.g., Metamask) and

"use strict";
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
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    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.BrowserContextService = void 0;
const common_1 = require("@nestjs/common");
const test_1 = require("@playwright/test");
const fs = __importStar(require("fs/promises"));
const path_1 = __importDefault(require("path"));
class BrowserContextService {
    constructor(walletExtensionStartPath, options) {
        this.walletExtensionStartPath = walletExtensionStartPath;
        this.options = options;
        this.browserContext = null;
        this.browserContextPaths = [];
        this.logger = new common_1.ConsoleLogger(BrowserContextService.name);
        this.defaultBrowserOptions = {
            locale: 'en-us',
            headless: false,
            args: [
                '--lang=en-US',
                '--disable-dev-shm-usage',
                `--disable-extensions-except=${this.walletExtensionStartPath}`,
                '--js-flags="--max-old-space-size=2048"',
            ],
            permissions: ['clipboard-read', 'clipboard-write'],
        };
        this.options.browserOptions = {
            ...this.defaultBrowserOptions,
            ...options.browserOptions,
        };
    }
    async initBrowserContext() {
        this.logger.debug(`Starting a new browser context (temp context: ${!this.options
            .contextDataDir})`);
        let browserContextPath = '';
        if (this.options.contextDataDir) {
            browserContextPath = path_1.default.join(process.cwd(), this.options.contextDataDir);
            await fs.mkdir(browserContextPath, {
                recursive: true,
            });
        }
        this.browserContext = await test_1.chromium.launchPersistentContext(browserContextPath, this.options.browserOptions);
        this.browserContext.on('page', async (page) => {
            page.once('crash', () => this.logger.error(`Page ${page.url()} crashed`));
        });
        this.browserContext.once('close', async () => {
            this.browserContext = null;
            this.browserContextPaths.push(browserContextPath);
            this.logger.debug('Browser context closed');
        });
        if (this.options.browserOptions.cookies) {
            await this.browserContext.addCookies(this.options.browserOptions.cookies);
        }
        let [background] = this.browserContext.serviceWorkers();
        if (!background)
            background = await this.browserContext.waitForEvent('serviceworker');
        this.extensionId = background.url().split('/')[2];
    }
    async closePages() {
        if (!this.browserContext) {
            return;
        }
        await this.browserContext.newPage();
        await Promise.all(this.browserContext
            .pages()
            .slice(0, -1)
            .map((page) => page.close()));
    }
}
exports.BrowserContextService = BrowserContextService;
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