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/**
* Copyright 2017 Google Inc. All rights reserved.
*
* 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 {Protocol} from 'devtools-protocol';
import {assert} from '../util/assert.js';
import {CDPSession} from './Connection.js';
/**
* Dialog instances are dispatched by the {@link Page} via the `dialog` event.
*
* @remarks
*
* @example
*
* ```ts
* import puppeteer from 'puppeteer';
*
* (async () => {
* const browser = await puppeteer.launch();
* const page = await browser.newPage();
* page.on('dialog', async dialog => {
* console.log(dialog.message());
* await dialog.dismiss();
* await browser.close();
* });
* page.evaluate(() => alert('1'));
* })();
* ```
*
* @public
*/
export class Dialog {
#client: CDPSession;
#type: Protocol.Page.DialogType;
#message: string;
#defaultValue: string;
#handled = false;
/**
* @internal
*/
constructor(
client: CDPSession,
type: Protocol.Page.DialogType,
message: string,
defaultValue = ''
) {
this.#client = client;
this.#type = type;
this.#message = message;
this.#defaultValue = defaultValue;
}
/**
* The type of the dialog.
*/
type(): Protocol.Page.DialogType {
return this.#type;
}
/**
* The message displayed in the dialog.
*/
message(): string {
return this.#message;
}
/**
* The default value of the prompt, or an empty string if the dialog
* is not a `prompt`.
*/
defaultValue(): string {
return this.#defaultValue;
}
/**
* A promise that resolves when the dialog has been accepted.
*
* @param promptText - optional text that will be entered in the dialog
* prompt. Has no effect if the dialog's type is not `prompt`.
*
*/
async accept(promptText?: string): Promise<void> {
assert(!this.#handled, 'Cannot accept dialog which is already handled!');
this.#handled = true;
await this.#client.send('Page.handleJavaScriptDialog', {
accept: true,
promptText: promptText,
});
}
/**
* A promise which will resolve once the dialog has been dismissed
*/
async dismiss(): Promise<void> {
assert(!this.#handled, 'Cannot dismiss dialog which is already handled!');
this.#handled = true;
await this.#client.send('Page.handleJavaScriptDialog', {
accept: false,
});
}
}
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