dev-lamp/dist/utils/error-handler.js

Your friendly lighthouse performance companion - 100% local

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ErrorHandler = void 0;
const chalk_1 = __importDefault(require("chalk"));
class ErrorHandler {
    handle(error) {
        if (error.code === 'ECONNREFUSED') {
            this.showConnectionError(error);
        }
        else if (error.code === 'CHROME_NOT_FOUND') {
            this.showChromeError();
        }
        else if (error.code === 'INVALID_URL') {
            this.showUrlError(error);
        }
        else if (error.name === 'LighthouseError') {
            this.showLighthouseError(error);
        }
        else {
            this.showGenericError(error);
        }
    }
    showConnectionError(error) {
        console.error(chalk_1.default.red('\nERROR: Connection Failed\n'));
        console.error('Could not connect to the URL. Please check:');
        console.error('  1. Is your local server running?');
        console.error('  2. Is the URL correct?');
        console.error('  3. Try: ' + chalk_1.default.cyan('npm run dev') + ' first\n');
        if (error.url) {
            console.error(chalk_1.default.gray(`URL attempted: ${error.url}`));
        }
    }
    showChromeError() {
        console.error(chalk_1.default.red('\nERROR: Chrome Not Found\n'));
        console.error('dev-lamp needs Chrome to run Lighthouse audits.\n');
        console.error('Please either:');
        console.error('  1. Install Google Chrome from https://google.com/chrome');
        console.error('  2. Specify Chrome path: ' + chalk_1.default.cyan('dev-lamp analyze <url> --chrome-path "/path/to/chrome"'));
        console.error('\nCommon Chrome locations:');
        console.error('  macOS: /Applications/Google Chrome.app/Contents/MacOS/Google Chrome');
        console.error('  Windows: C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe');
        console.error('  Linux: /usr/bin/google-chrome');
    }
    showUrlError(error) {
        console.error(chalk_1.default.red('\nERROR: Invalid URL\n'));
        console.error(`The URL "${error.url}" is not valid.\n`);
        console.error('Valid URL examples:');
        console.error('  ' + chalk_1.default.green('http://localhost:3000'));
        console.error('  ' + chalk_1.default.green('http://127.0.0.1:8080'));
        console.error('  ' + chalk_1.default.green('https://example.com'));
    }
    showLighthouseError(error) {
        console.error(chalk_1.default.red('\nERROR: Lighthouse Error\n'));
        console.error('Failed to run Lighthouse audit:');
        console.error(error.message);
        console.error('\nPossible solutions:');
        console.error('  1. Check if the URL is accessible');
        console.error('  2. Try running with --no-headless to see Chrome');
        console.error('  3. Check Chrome installation');
    }
    showGenericError(error) {
        console.error(chalk_1.default.red('\nERROR: Unexpected Error\n'));
        console.error(error.message || error);
        if (error.stack && process.env.DEBUG) {
            console.error(chalk_1.default.gray('\nStack trace:'));
            console.error(chalk_1.default.gray(error.stack));
        }
    }
}
exports.ErrorHandler = ErrorHandler;
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