Files
playwright-mcp/src/loopTools/main.ts

68 lines
2.2 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import dotenv from 'dotenv';
import * as mcpServer from '../mcp/server.js';
import { packageJSON } from '../utils/package.js';
import { Context } from './context.js';
import { perform } from './perform.js';
import { snapshot } from './snapshot.js';
import { toMcpTool } from '../mcp/tool.js';
import type { FullConfig } from '../config.js';
import type { ServerBackend } from '../mcp/server.js';
import type { Tool } from './tool.js';
export async function runLoopTools(config: FullConfig) {
dotenv.config();
const serverBackendFactory = {
name: 'Playwright',
nameInConfig: 'playwright-loop',
version: packageJSON.version,
create: () => new LoopToolsServerBackend(config)
};
await mcpServer.start(serverBackendFactory, config.server);
}
class LoopToolsServerBackend implements ServerBackend {
private _config: FullConfig;
private _context: Context | undefined;
private _tools: Tool<any>[] = [perform, snapshot];
constructor(config: FullConfig) {
this._config = config;
}
async initialize() {
this._context = await Context.create(this._config);
}
async listTools(): Promise<mcpServer.Tool[]> {
return this._tools.map(tool => toMcpTool(tool.schema));
}
async callTool(name: string, args: mcpServer.CallToolRequest['params']['arguments']): Promise<mcpServer.CallToolResult> {
const tool = this._tools.find(tool => tool.schema.name === name)!;
const parsedArguments = tool.schema.inputSchema.parse(args || {});
return await tool.handle(this._context!, parsedArguments);
}
serverClosed() {
void this._context!.close();
}
}