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/**
* @license
* Copyright 2018 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @deprecated Do not use.
*
* @public
*/
export class CustomError extends Error {
/**
* @internal
*/
constructor(message?: string) {
super(message);
this.name = this.constructor.name;
}
/**
* @internal
*/
get [Symbol.toStringTag](): string {
return this.constructor.name;
}
}
/**
* 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;
}
}
/**
* Puppeteer will throw this error if a method is not
* supported by the currently used protocol
*
* @public
*/
export class UnsupportedOperation extends CustomError {}
/**
* @internal
*/
export class TargetCloseError extends ProtocolError {}
/**
* @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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