/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import {
type Issue,
type IssuesManagerEventTypes,
Common,
I18n,
} from '../node_modules/chrome-devtools-frontend/mcp/mcp.js';
export function extractUrlLikeFromDevToolsTitle(
title: string,
): string | undefined {
const match = title.match(new RegExp(`DevTools - (.*)`));
return match?.[1] ?? undefined;
}
export function urlsEqual(url1: string, url2: string): boolean {
const normalizedUrl1 = normalizeUrl(url1);
const normalizedUrl2 = normalizeUrl(url2);
return normalizedUrl1 === normalizedUrl2;
}
/**
* For the sake of the MCP server, when we determine if two URLs are equal we
* remove some parts:
*
* 1. We do not care about the protocol.
* 2. We do not care about trailing slashes.
* 3. We do not care about "www".
*
* For example, if the user types "record a trace on foo.com", we would want to
* match a tab in the connected Chrome instance that is showing "www.foo.com/"
*/
function normalizeUrl(url: string): string {
let result = url.trim();
// Remove protocols
if (result.startsWith('https://')) {
result = result.slice(8);
} else if (result.startsWith('http://')) {
result = result.slice(7);
}
// Remove 'www.'. This ensures that we find the right URL regardless of if the user adds `www` or not.
if (result.startsWith('www.')) {
result = result.slice(4);
}
// Remove trailing slash
if (result.endsWith('/')) {
result = result.slice(0, -1);
}
return result;
}
/**
* A mock implementation of an issues manager that only implements the methods
* that are actually used by the IssuesAggregator
*/
export class FakeIssuesManager extends Common.ObjectWrapper
.ObjectWrapper<IssuesManagerEventTypes> {
issues(): Issue[] {
return [];
}
}
I18n.DevToolsLocale.DevToolsLocale.instance({
create: true,
data: {
navigatorLanguage: 'en-US',
settingLanguage: 'en-US',
lookupClosestDevToolsLocale: l => l,
},
});
I18n.i18n.registerLocaleDataForTest('en-US', {});
