react-native-iap/lib/module/utils/error.js

React Native In-App Purchases module for iOS and Android using Nitro

"use strict";

/**
 * Error utilities for parsing platform-specific error responses
 */

import { ErrorCode } from "../types.js";
/**
 * Parses error string from native modules into a structured error object
 *
 * Native modules return errors in different formats:
 * - Android: JSON string like '{"code":"E_USER_CANCELLED","message":"User cancelled the purchase","responseCode":1}'
 * - iOS: JSON string or plain message
 * - Legacy: "CODE: message" format
 *
 * @param errorString - The error string from native module
 * @returns Parsed error object with code and message
 */
export function parseErrorStringToJsonObj(errorString) {
  // Handle Error objects
  if (errorString instanceof Error) {
    errorString = errorString.message;
  }

  // Handle non-string inputs
  if (typeof errorString !== 'string') {
    return {
      code: ErrorCode.Unknown,
      message: 'Unknown error occurred'
    };
  }

  // Try to parse as JSON first
  try {
    const parsed = JSON.parse(errorString);
    if (typeof parsed === 'object' && parsed !== null) {
      // Ensure it has at least code and message
      return {
        code: parsed.code || ErrorCode.Unknown,
        message: parsed.message || errorString,
        ...parsed
      };
    }
  } catch {
    // Not JSON, continue with other formats
  }

  // Try to parse "CODE: message" format
  const colonIndex = errorString.indexOf(':');
  if (colonIndex > 0 && colonIndex < 50) {
    // Reasonable position for error code
    const potentialCode = errorString.substring(0, colonIndex).trim();
    // Check if it looks like an error code (starts with E_ or contains uppercase)
    if (potentialCode.startsWith('E_') || /^[A-Z_]+$/.test(potentialCode)) {
      return {
        code: potentialCode,
        message: errorString.substring(colonIndex + 1).trim()
      };
    }
  }

  // Fallback: treat entire string as message
  return {
    code: ErrorCode.Unknown,
    message: errorString
  };
}

/**
 * Checks if an error code indicates user cancellation
 * @param error - Error object or string
 * @returns true if the error is a user cancellation
 */
export function isUserCancelledError(error) {
  const errorObj = typeof error === 'object' && error !== null && 'code' in error ? error : parseErrorStringToJsonObj(error);
  return errorObj.code === ErrorCode.UserCancelled || errorObj.code === 'E_USER_CANCELED' ||
  // Alternative spelling
  errorObj.responseCode === 1; // Android BillingClient.BillingResponseCode.USER_CANCELED
}
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