Method _formatException

valdi/vscode_debugger/src/adapter/threads.ts:1087–1123

(
    details: Cdp.Runtime.ExceptionDetails,
    prefix?: string,
  )

  }

  async _formatException(
    details: Cdp.Runtime.ExceptionDetails,
    prefix?: string,
  ): Promise<Dap.OutputEventParams> {
    const preview = details.exception
      ? objectPreview.previewException(details.exception)
      : { title: '' };
    let message = preview.title;
    if (!message.startsWith('Uncaught')) message = 'Uncaught ' + message;
    message = (prefix || '') + message;

    let stackTrace: StackTrace | undefined;
    let uiLocation: IUiLocation | undefined;
    if (details.stackTrace) stackTrace = StackTrace.fromRuntime(this, details.stackTrace);
    if (stackTrace) {
      const frames = await stackTrace.loadFrames(1);
      if (frames.length) uiLocation = await frames[0].uiLocation();
    }

    const args = details.exception && !preview.stackTrace ? [details.exception] : [];
    let variablesReference = 0;
    if (stackTrace || args.length)
      variablesReference = await this.replVariables.createVariableForOutput(
        message,
        args,
        stackTrace,
      );

    return {
      category: 'stderr',
      output: message,
      variablesReference,
      source: uiLocation ? await uiLocation.source.toDap() : undefined,
      line: uiLocation ? uiLocation.lineNumber : undefined,
      column: uiLocation ? uiLocation.columnNumber : undefined,
    };
  }

  scriptsFromSource(source: Source): Set<Script> {
    return this._sourceScripts.get(source) || new Set();