react-native-google-mobile-ads/src/internal/NativeError.ts

React Native Google Mobile Ads is an easy way to monetize mobile apps with targeted, in-app advertising.

/*
 * Copyright (c) 2016-present Invertase Limited & Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this library except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

export class NativeError extends Error {
  namespace: string;
  code: string;
  message: string;
  jsStack: string;
  userInfo: { code: string; message: string };

  static fromEvent(
    errorEvent: { code: string; message: string },
    namespace: string,
    stack?: string,
  ) {
    return new NativeError({ userInfo: errorEvent }, stack || new Error().stack || '', namespace);
  }

  constructor(
    nativeError: { userInfo: { code: string; message: string } },
    jsStack: string,
    namespace: string,
  ) {
    super();
    const { userInfo } = nativeError;
    this.namespace = namespace;
    this.code = `${this.namespace}/${userInfo.code || 'unknown'}`;
    this.message = `[${this.code}] ${userInfo.message}`;
    this.jsStack = jsStack;
    this.userInfo = userInfo;
    this.stack = NativeError.getStackWithMessage(`NativeError: ${this.message}`, this.jsStack);
  }

  /**
   * Build a stack trace that includes JS stack prior to calling the native method.
   *
   * @returns {string}
   */
  static getStackWithMessage(message: string, jsStack: string) {
    return [message, ...jsStack.split('\n').slice(2, 13)].join('\n');
  }
}