Method sendError

server.js:920–926

({ error })

  }

  sendError({ error }) {
    this.sendUpdateNotification({
      type: "eleventy.error",
      // Thanks https://stackoverflow.com/questions/18391212/is-it-not-possible-to-stringify-an-error-using-json-stringify
      error: JSON.stringify(error, Object.getOwnPropertyNames(error)),
    });
  }

  // reverse of mapUrlToFilePath
  // /resource/ <= /resource/index.html