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/**
* Copyright 2018 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.
*/
/**
* @deprecated Do not use.
*
* @public
*/
export class CustomError extends Error {
/**
* @internal
*/
constructor(message?: string) {
super(message);
this.name = this.constructor.name;
Error.captureStackTrace(this, this.constructor);
}
}
/**
* TimeoutError is emitted whenever certain operations are terminated due to
* timeout.
*
* @remarks
* Example operations are {@link Page.waitForSelector | page.waitForSelector} or
* {@link PuppeteerNode.launch | puppeteer.launch}.
*
* @public
*/
export class TimeoutError extends CustomError {}
/**
* ProtocolError is emitted whenever there is an error from the protocol.
*
* @public
*/
export class ProtocolError extends CustomError {
#code?: number;
#originalMessage = '';
set code(code: number | undefined) {
this.#code = code;
}
/**
* @readonly
* @public
*/
get code(): number | undefined {
return this.#code;
}
set originalMessage(originalMessage: string) {
this.#originalMessage = originalMessage;
}
/**
* @readonly
* @public
*/
get originalMessage(): string {
return this.#originalMessage;
}
}
/**
* @deprecated Do not use.
*
* @public
*/
export interface PuppeteerErrors {
TimeoutError: typeof TimeoutError;
ProtocolError: typeof ProtocolError;
}
/**
* @deprecated Import error classes directly.
*
* Puppeteer methods might throw errors if they are unable to fulfill a request.
* For example, `page.waitForSelector(selector[, options])` might fail if the
* selector doesn't match any nodes during the given timeframe.
*
* For certain types of errors Puppeteer uses specific error classes. These
* classes are available via `puppeteer.errors`.
*
* @example
* An example of handling a timeout error:
*
* ```ts
* try {
* await page.waitForSelector('.foo');
* } catch (e) {
* if (e instanceof TimeoutError) {
* // Do something if this is a timeout.
* }
* }
* ```
*
* @public
*/
export const errors: PuppeteerErrors = Object.freeze({
TimeoutError,
ProtocolError,
});
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