microsoft/playwright · error · Error

${error}

Error message

${error}

What it means

Error "${error}" thrown in microsoft/playwright.

Source

Thrown at packages/playwright-core/src/client/harRouter.ts:36

import type { BrowserContext } from './browserContext';
import type { LocalUtils } from './localUtils';
import type { Route } from './network';
import type { Page } from './page';
import type { URLMatch } from '@isomorphic/urlMatch';

type HarNotFoundAction = 'abort' | 'fallback';

export class HarRouter {
  private _localUtils: LocalUtils;
  private _harId: string;
  private _notFoundAction: HarNotFoundAction;
  private _options: { urlMatch?: URLMatch; baseURL?: string; };

  static async create(localUtils: LocalUtils, file: string, notFoundAction: HarNotFoundAction, options: { urlMatch?: URLMatch }): Promise<HarRouter> {
    const { harId, error } = await localUtils.harOpen({ file });
    if (error)
      throw new Error(error);
    return new HarRouter(localUtils, harId!, notFoundAction, options);
  }

  private constructor(localUtils: LocalUtils, harId: string, notFoundAction: HarNotFoundAction, options: { urlMatch?: URLMatch }) {
    this._localUtils = localUtils;
    this._harId = harId;
    this._options = options;
    this._notFoundAction = notFoundAction;
  }

  private async _handle(route: Route) {
    const request = route.request();

    const response = await this._localUtils.harLookup({
      harId: this._harId,
      url: request.url(),
      method: request.method(),
      headers: (await request.headersArray()),

View on GitHub (pinned to c8fc3bf8d3)

When it happens

Trigger: Thrown at packages/playwright-core/src/client/harRouter.ts:36 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/playwright@c8fc3bf8d3 (2026-08-12). Data as JSON: /api/errors/a1b3ff9589ba4d62. Report an issue: GitHub.