pageSnapshot.ts•1.56 kB
/**
* 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 * as playwright from 'playwright';
import { callOnPageNoTrace } from './tools/utils.js';
type PageEx = playwright.Page & {
_snapshotForAI: () => Promise<string>;
};
export class PageSnapshot {
private _page: playwright.Page;
private _text!: string;
constructor(page: playwright.Page) {
this._page = page;
}
static async create(page: playwright.Page): Promise<PageSnapshot> {
const snapshot = new PageSnapshot(page);
await snapshot._build();
return snapshot;
}
text(): string {
return this._text;
}
private async _build() {
const snapshot = await callOnPageNoTrace(this._page, page => (page as PageEx)._snapshotForAI());
this._text = [
`- Page Snapshot`,
'```yaml',
snapshot,
'```',
].join('\n');
}
refLocator(params: { element: string, ref: string }): playwright.Locator {
return this._page.locator(`aria-ref=${params.ref}`).describe(params.element);
}
}