mixpanel-swift/Sources/Error.swift

//
//  Error.swift
//  Mixpanel
//
//  Created by Yarden Eitan on 6/10/16.
//  Copyright © 2016 Mixpanel. All rights reserved.
//

import Foundation

enum PropertyError: Error {
  case invalidType(type: Any)
}

class Assertions {
  static var assertClosure = swiftAssertClosure
  static let swiftAssertClosure = { Swift.assert($0, $1, file: $2, line: $3) }
}

func MPAssert(
  _ condition: @autoclosure () -> Bool,
  _ message: @autoclosure () -> String = "",
  file: StaticString = #file,
  line: UInt = #line
) {
  Assertions.assertClosure(condition(), message(), file, line)
}

class ErrorHandler {
  class func wrap<ReturnType>(_ f: () throws -> ReturnType?) -> ReturnType? {
    do {
      return try f()
    } catch let error {
      logError(error)
      return nil
    }
  }

  class func logError(_ error: Error) {
    let stackSymbols = Thread.callStackSymbols
    MixpanelLogger.error(message: "Error: \(error) \n Stack Symbols: \(stackSymbols)")
  }

}