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https://github.com/SwiftyBeaver/SwiftyBeaver

Convenient & secure logging during development & release in Swift 4 & 5
https://github.com/SwiftyBeaver/SwiftyBeaver

apple-tv ios logging macos server-side-swift swift swift-framework swift4 swift5 swiftybeaver-platform vapor

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Convenient & secure logging during development & release in Swift 4 & 5

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README 

        
Colorful, flexible, lightweight logging for Swift 3, Swift 4 & Swift 5.
Great for development & release with support for Console, file & cloud destinations for server-side Swift.



Language Swift 2, 3, 4 & 5 CircleCI



---







### During Development: Colored Logging to Xcode Console






[Learn more](http://docs.swiftybeaver.com/article/9-log-to-xcode-console) about colored logging to Xcode 8 Console with Swift 3, 4 & 5. For Swift 2.3 [use this Gist](https://gist.github.com/skreutzberger/7c396573796473ed1be2c6d15cafed34). **No need to hack Xcode 8 anymore** to get color. You can even customize the log level word (ATTENTION instead of ERROR maybe?), the general amount of displayed data and if you want to use the 💜s or replace them with something else 😉







### During Development: Colored Logging to File






[Learn more](http://docs.swiftybeaver.com/article/10-log-to-file) about logging to file which is great for Terminal.app fans or to store logs on disk.







### Google Cloud & More



You can fully customize your log format, turn it into JSON, or create your own destinations. For example, our [Google Cloud Destination](https://github.com/SwiftyBeaver/SwiftyBeaver/blob/master/Sources/GoogleCloudDestination.swift) is just another customized logging format that adds the powerful functionality of automatic server-side Swift logging when hosted on Google Cloud Platform.







---










## Installation



- For **Swift 4 & 5** install the latest SwiftyBeaver version

- For **Swift 3** install SwiftyBeaver 1.8.4

- For **Swift 2** install SwiftyBeaver 0.7.0







### Carthage



You can use [Carthage](https://github.com/Carthage/Carthage) to install SwiftyBeaver by adding that to your Cartfile:



Swift 4 & 5:



```Swift

github "SwiftyBeaver/SwiftyBeaver"

```



Swift 3:



```Swift

github "SwiftyBeaver/SwiftyBeaver" ~> 1.8.4

```



Swift 2:



```Swift

github "SwiftyBeaver/SwiftyBeaver" ~> 0.7

```







### Swift Package Manager



For [Swift Package Manager](https://swift.org/package-manager/) add the following package to your Package.swift file. Just Swift 4 & 5 are supported:



```Swift

.package(url: "https://github.com/SwiftyBeaver/SwiftyBeaver.git", .upToNextMajor(from: "2.0.0")),

```







### CocoaPods



To use [CocoaPods](https://cocoapods.org) just add this to your Podfile:



Swift 4 & 5:



```Swift

pod 'SwiftyBeaver'

```



Swift 3:



```Ruby

target 'MyProject' do

  use_frameworks!



  # Pods for MyProject

  pod 'SwiftyBeaver', '~> 1.8.4'

end

```



Swift 2:



```Ruby

target 'MyProject' do

  use_frameworks!



  # Pods for MyProject

  pod 'SwiftyBeaver', '~> 0.7'

end



post_install do |installer|

  installer.pods_project.build_configurations.each do |config|

    # Configure Pod targets for Xcode 8 with Swift 2.3

    config.build_settings['SWIFT_VERSION'] = '2.3'

  end

end

```










## Usage



Add that near the top of your `AppDelegate.swift` to be able to use SwiftyBeaver in your whole project.



```Swift

import SwiftyBeaver

let log = SwiftyBeaver.self



```



At the beginning of your `AppDelegate:didFinishLaunchingWithOptions()` add the SwiftyBeaver log destinations (console, file, etc.), optionally adjust the [log format](http://docs.swiftybeaver.com/article/20-custom-format) and then you can already do the following log level calls globally:



```Swift

// add log destinations. at least one is needed!

let console = ConsoleDestination()  // log to Xcode Console

let file = FileDestination()  // log to default swiftybeaver.log file



// use custom format and set console output to short time, log level & message

console.format = "$DHH:mm:ss$d $L $M"

// or use this for JSON output: console.format = "$J"



// add the destinations to SwiftyBeaver

log.addDestination(console)

log.addDestination(file)



// Now let’s log!

log.verbose("not so important")  // prio 1, VERBOSE in silver

log.debug("something to debug")  // prio 2, DEBUG in green

log.info("a nice information")   // prio 3, INFO in blue

log.warning("oh no, that won’t be good")  // prio 4, WARNING in yellow

log.error("ouch, an error did occur!")  // prio 5, ERROR in red



// log anything!

log.verbose(123)

log.info(-123.45678)

log.warning(Date())

log.error(["I", "like", "logs!"])

log.error(["name": "Mr Beaver", "address": "7 Beaver Lodge"])



// optionally add context to a log message

console.format = "$L: $M $X"

log.debug("age", context: 123)  // "DEBUG: age 123"

log.info("my data", context: [1, "a", 2]) // "INFO: my data [1, \"a\", 2]"



```










## Server-side Swift



We ❤️ server-side Swift 4 & 5 and SwiftyBeaver support it **out-of-the-box**! Try for yourself and run SwiftyBeaver inside a Ubuntu Docker container. Just install Docker and then go to your project folder on macOS or Ubuntu and type:



```shell

# create docker image, build SwiftyBeaver and run unit tests

docker run --rm -it -v $PWD:/app swiftybeaver /bin/bash -c "cd /app ; swift build ; swift test"



# optionally log into container to run Swift CLI and do more stuff

docker run --rm -it --privileged=true -v $PWD:/app swiftybeaver

```



Best: for the popular server-side Swift web framework [Vapor](https://github.com/vapor/vapor) you can use **[our Vapor logging provider](https://github.com/SwiftyBeaver/SwiftyBeaver-Vapor)** which makes server logging awesome again 🙌










## Documentation



**Getting Started:**



- [Features](http://docs.swiftybeaver.com/article/7-introduction)

- [Installation](http://docs.swiftybeaver.com/article/5-installation)

- [Basic Setup](http://docs.swiftybeaver.com/article/6-basic-setup)



**Logging Destinations:**



- [Colored Logging to Xcode Console](http://docs.swiftybeaver.com/article/9-log-to-xcode-console)

- [Colored Logging to File](http://docs.swiftybeaver.com/article/10-log-to-file)



**Advanced Topics:**



- [Custom Format & Context](http://docs.swiftybeaver.com/article/20-custom-format)

- [Filters](http://docs.swiftybeaver.com/article/21-filters)










## License



SwiftyBeaver Framework is released under the [MIT License](https://github.com/SwiftyBeaver/SwiftyBeaver/blob/master/LICENSE).