Method call

packages/playwright-core/src/client/page.ts:903–916

(func: (source: structs.BindingSource, ...args: any[]) => any)

  }

  async call(func: (source: structs.BindingSource, ...args: any[]) => any) {
    try {
      const frame = Frame.from(this._initializer.frame);
      const source = {
        context: frame._page!.context(),
        page: frame._page!,
        frame
      };
      const result = await func(source, ...this._initializer.args.map(parseResult));
      this._channel.resolve({ result: serializeArgument(result) }).catch(() => {});
    } catch (e) {
      this._channel.reject({ error: serializeError(e) }).catch(() => {});
    }
  }
}

function trimUrl(param: any): string | undefined {