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Constants from 'expo-constants';\nimport prettyFormat from 'pretty-format';\nimport parseErrorStack, { StackFrame } from 'react-native/Libraries/Core/Devtools/parseErrorStack';\nimport symbolicateStackTrace from 'react-native/Libraries/Core/Devtools/symbolicateStackTrace';\n\nimport { LogData, LogLevel } from './RemoteLogging';\nimport ReactNodeFormatter from './format/ReactNodeFormatter';\n\ntype SerializedData = {\n  body: LogData[];\n  includesStack: boolean;\n};\n\nexport const EXPO_CONSOLE_METHOD_NAME = '__expoConsoleLog';\n\nasync function serializeLogDataAsync(data: unknown[], level: LogLevel): Promise<SerializedData> {\n  let serializedValues: readonly LogData[];\n  let includesStack = false;\n\n  if (_stackTraceLogsSupported()) {\n    if (_isUnhandledPromiseRejection(data, level)) {\n      const rawStack = data[0] as string;\n      const syntheticError = { stack: rawStack };\n      const stack = await _symbolicateErrorAsync(syntheticError as Error);\n\n      if (!stack.length) {\n        serializedValues = _stringifyLogData(data);\n      } else {\n        // NOTE: This doesn't handle error messages with newlines\n        const errorMessage = rawStack.split('\\n')[1];\n        serializedValues = [\n          {\n            message: `[Unhandled promise rejection: ${errorMessage}]`,\n            stack: _formatStack(stack),\n          },\n        ];\n        includesStack = true;\n      }\n    } else if (data.length === 1 && data[0] instanceof Error) {\n      // When there's only one argument to the log function and that argument is an error, we\n      // include the error's stack. If there's more than one argument then we don't include the\n      // stack because it's not easy to display nicely in our current UI.\n\n      const serializedError = await _serializeErrorAsync(data[0] as Error);\n      serializedValues = [serializedError];\n      includesStack = serializedError.hasOwnProperty('stack');\n    } else if (level === 'warn' || level === 'error') {\n      // For console.warn and console.error it is usually useful to know the stack that leads to the\n      // warning or error, so we provide this information to help out with debugging\n\n      const error = _captureConsoleStackTrace();\n      // [\"hello\", \"world\"] becomes \"hello, world\"\n      const errorMessage = _stringifyLogData(data).join(', ');\n\n      const serializedError = await _serializeErrorAsync(error, errorMessage);\n      serializedValues = [serializedError];\n      includesStack = serializedError.hasOwnProperty('stack');\n    } else {\n      serializedValues = _stringifyLogData(data);\n    }\n  } else {\n    serializedValues = _stringifyLogData(data);\n  }\n\n  return {\n    body: [...serializedValues],\n    includesStack,\n  };\n}\n\nfunction _stringifyLogData(data: unknown[]): string[] {\n  return data.map(item => {\n    // define the max length for log msg to be first 10000 characters\n    const LOG_MESSAGE_MAX_LENGTH = 10000;\n    const result =\n      typeof item === 'string' ? item : prettyFormat(item, { plugins: [ReactNodeFormatter] });\n    // check the size of string returned\n    if (result.length > LOG_MESSAGE_MAX_LENGTH) {\n      let truncatedResult = result.substring(0, LOG_MESSAGE_MAX_LENGTH);\n      // truncate the result string to the max length\n      truncatedResult += `...(truncated to the first ${LOG_MESSAGE_MAX_LENGTH} characters)`;\n      return truncatedResult;\n    } else {\n      return result;\n    }\n  });\n}\n\nasync function _serializeErrorAsync(error: Error, message?: string): Promise<LogData> {\n  if (message == null) {\n    message = error.message;\n  }\n\n  if (!error.stack || !error.stack.length) {\n    return prettyFormat(error);\n  }\n\n  const stack = await _symbolicateErrorAsync(error);\n  const formattedStack = _formatStack(stack);\n\n  return { message, stack: formattedStack };\n}\n\nasync function _symbolicateErrorAsync(error: Error): Promise<StackFrame[]> {\n  const parsedStack = parseErrorStack(error);\n  let symbolicatedStack: StackFrame[] | null;\n  try {\n    // @ts-ignore: symbolicateStackTrace has different real/Flow declaration\n    // than the one in DefinitelyTyped.\n    symbolicatedStack = (await symbolicateStackTrace(parsedStack))?.stack ?? null;\n  } catch (error) {\n    return parsedStack;\n  }\n\n  // In this context an unsymbolicated stack is better than no stack\n  if (!symbolicatedStack) {\n    return parsedStack;\n  }\n\n  // Clean the stack trace\n  return symbolicatedStack.map(_removeProjectRoot);\n}\n\nfunction _formatStack(stack: StackFrame[]): string {\n  return stack\n    .map(frame => {\n      let line = `${frame.file}:${frame.lineNumber}`;\n      if (frame.column != null) {\n        line += `:${frame.column}`;\n      }\n      line += ` in ${frame.methodName}`;\n      return line;\n    })\n    .join('\\n');\n}\n\nfunction _removeProjectRoot(frame: StackFrame): StackFrame {\n  let filename = frame.file;\n  if (filename == null) {\n    return frame;\n  }\n\n  const projectRoot = _getProjectRoot();\n  if (projectRoot == null) {\n    return frame;\n  }\n\n  if (filename.startsWith(projectRoot)) {\n    filename = filename.substring(projectRoot.length);\n    if (filename[0] === '/' || filename[0] === '\\\\') {\n      filename = filename.substring(1);\n    }\n    frame.file = filename;\n  }\n\n  return frame;\n}\n\n/**\n * Returns whether the development server that served this project supports logs with a stack trace.\n * Specifically, the version of Expo CLI that includes `projectRoot` in the manifest also accepts\n * payloads of the form:\n *\n * {\n *   includesStack: boolean, body: [{ message: string, stack: string }],\n * }\n */\nfunction _stackTraceLogsSupported(): boolean {\n  return !!(__DEV__ && _getProjectRoot());\n}\n\nfunction _isUnhandledPromiseRejection(data: unknown[], level: LogLevel): boolean {\n  return (\n    level === 'warn' &&\n    typeof data[0] === 'string' &&\n    /^Possible Unhandled Promise Rejection/.test(data[0] as string)\n  );\n}\n\nfunction _captureConsoleStackTrace(): Error {\n  try {\n    throw new Error();\n  } catch (error) {\n    let stackLines = error.stack.split('\\n');\n    const consoleMethodIndex = stackLines.findIndex(frame =>\n      frame.includes(EXPO_CONSOLE_METHOD_NAME)\n    );\n    if (consoleMethodIndex !== -1) {\n      stackLines = stackLines.slice(consoleMethodIndex + 1);\n      error.stack = stackLines.join('\\n');\n    }\n    return error;\n  }\n}\n\nfunction _getProjectRoot(): string | null {\n  return Constants.manifest?.developer?.projectRoot ?? null;\n}\n\nexport default {\n  serializeLogDataAsync,\n};\n"]}