@ai-coding-labs/playwright-mcp-plus
Version:
Enhanced Playwright Tools for MCP with Project Session Isolation
68 lines (67 loc) • 3.09 kB
JavaScript
/**
* 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 { z } from 'zod';
import { defineTool } from './tool.js';
import { createSchemaWithProjectIsolation, validateProjectIsolationParams } from '../projectIsolation.js';
const wait = defineTool({
capability: 'core',
schema: {
name: 'browser_wait_for',
title: 'Wait for',
description: 'Wait for text to appear or disappear or a specified time to pass',
inputSchema: createSchemaWithProjectIsolation({
time: z.number().optional().describe('The time to wait in seconds'),
text: z.string().optional().describe('The text to wait for'),
textGone: z.string().optional().describe('The text to wait for to disappear'),
}),
type: 'readOnly',
},
handle: async (context, params, response) => {
// 验证项目隔离参数
if (!validateProjectIsolationParams(params))
throw new Error('Both projectDrive and projectPath must be provided together, or neither should be provided.');
// 处理项目信息（仅在首次调用时）
if (params.projectDrive && params.projectPath) {
context.setProjectInfo({
projectDrive: params.projectDrive,
projectPath: params.projectPath,
});
}
if (!params.text && !params.textGone && !params.time)
throw new Error('Either time, text or textGone must be provided');
const code = [];
if (params.time) {
code.push(`await new Promise(f => setTimeout(f, ${params.time} * 1000));`);
await new Promise(f => setTimeout(f, Math.min(30000, params.time * 1000)));
}
const tab = context.currentTabOrDie();
const locator = params.text ? tab.page.getByText(params.text).first() : undefined;
const goneLocator = params.textGone ? tab.page.getByText(params.textGone).first() : undefined;
if (goneLocator) {
code.push(`await page.getByText(${JSON.stringify(params.textGone)}).first().waitFor({ state: 'hidden' });`);
await goneLocator.waitFor({ state: 'hidden' });
}
if (locator) {
code.push(`await page.getByText(${JSON.stringify(params.text)}).first().waitFor({ state: 'visible' });`);
await locator.waitFor({ state: 'visible' });
}
response.addResult(`Waited for ${params.text || params.textGone || params.time}`);
response.setIncludeSnapshot();
},
});
export default [
wait,
];