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‎.gitignore‎

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.DS_Store
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/.build
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/Packages
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xcuserdata/
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DerivedData/
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.swiftpm/configuration/registries.json
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.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
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.netrc
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.swiftpm/xcode/

‎LICENSE‎

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MIT License
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Copyright (c) 2025 Tech Artists Agency
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎Package.resolved‎

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‎Package.swift‎

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/*
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MIT License
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Copyright (c) 2025 Tech Artists Agency
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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// swift-tools-version: 6.0
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// The swift-tools-version declares the minimum version of Swift required to build this package.
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import PackageDescription
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let package = Package(
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name: "SwiftLogCrashlyticsLogHandler",
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platforms: [ .iOS(.v14), .macOS(.v10_13)],
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products: [
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// Products define the executables and libraries a package produces, making them visible to other packages.
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.library(
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name: "SwiftLogCrashlyticsLogHandler",
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targets: ["SwiftLogCrashlyticsLogHandler"]),
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],
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dependencies: [
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.package(
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url: "https://github.com/firebase/firebase-ios-sdk.git",
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.upToNextMajor(from: "10.0.0")
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),
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.package(
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url: "https://github.com/apple/swift-log.git",
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from: "1.6.1"
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)
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],
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targets: [
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// Targets are the basic building blocks of a package, defining a module or a test suite.
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// Targets can depend on other targets in this package and products from dependencies.
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.target(
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name: "SwiftLogCrashlyticsLogHandler",
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dependencies: [
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.product(name:"FirebaseCore", package: "firebase-ios-sdk"),
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.product(name:"FirebaseCrashlytics", package: "firebase-ios-sdk"),
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.product(name: "Logging", package: "swift-log")
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]
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),
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.testTarget(
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name: "SwiftLogCrashlyticsLogHandlerTests",
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dependencies: ["SwiftLogCrashlyticsLogHandler"]
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),
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]
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)

‎Sources/SwiftLogCrashlyticsLogHandler/SwiftLogCrashlyticsLogHandler.swift‎

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/*
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MIT License
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Copyright (c) 2025 Tech Artists Agency
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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// The Swift Programming Language
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// https://docs.swift.org/swift-book
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import Foundation
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import FirebaseCrashlytics
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import Logging
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import FirebaseCore
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public struct SwiftLogCrashlyticsLogHandler: LogHandler {
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public var logLevel: Logger.Level = .trace
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public let label: String
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public init(label: String) {
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self.label = label
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FirebaseCore.FirebaseApp.configure()
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}
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public var metadata = Logger.Metadata() {
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didSet {
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self.prettyMetadata = prettify(self.metadata)
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}
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}
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private var prettyMetadata: String?
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/// Logs a message to Firebase Crashlytics with metadata and additional context.
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public func log(
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level: Logger.Level,
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message: Logger.Message,
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metadata: Logger.Metadata?,
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source: String,
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file: String,
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function: String,
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line: UInt
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) {
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var combinedPrettyMetadata = self.prettyMetadata
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if let metadataOverride = metadata, !metadataOverride.isEmpty {
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combinedPrettyMetadata = self.prettify(
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self.metadata.merging(metadataOverride) { return $1 }
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)
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}
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var formedMessage = message.description
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if let combinedPrettyMetadata {
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formedMessage += " -- " + combinedPrettyMetadata
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}
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// Construct log message with additional context information
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let detailedMessage = "\(formedMessage) [File: \(file), Function: \(function), Line: \(line)]"
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// Log to Firebase Crashlytics
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Crashlytics.crashlytics().log(detailedMessage)
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// If the log level is error or critical, report the issue to Crashlytics.
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if level == .error || level == .critical {
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let error = NSError(
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domain: "com.example.CrashlyticsLogHandler",
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code: errorCodeForLogLevel(level),
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userInfo: [NSLocalizedDescriptionKey: detailedMessage]
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)
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Crashlytics.crashlytics().record(error: error)
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}
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}
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/// Retrieve or set metadata for logging.
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public subscript(metadataKey metadataKey: String) -> Logger.Metadata.Value? {
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get {
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return self.metadata[metadataKey]
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}
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set {
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self.metadata[metadataKey] = newValue
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}
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}
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/// Helper function to format metadata into a readable string.
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private func prettify(_ metadata: Logger.Metadata) -> String? {
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if metadata.isEmpty {
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return nil
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}
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return metadata.map { "\($0)=\($1)" }.joined(separator: " ")
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}
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private func errorCodeForLogLevel(_ level: Logger.Level) -> Int {
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switch level {
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case .trace:
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return 0
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case .debug:
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return 1
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case .info:
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return 2
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case .notice:
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return 3
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case .warning:
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return 4
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case .error:
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return 5
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case .critical:
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return 6
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}
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}
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}

‎Tests/SwiftLogCrashlyticsLogHandlerTests/SwiftLogCrashlyticsLogHandlerTests.swift‎

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/*
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MIT License
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Copyright (c) 2025 Tech Artists Agency
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
8+
in the Software without restriction, including without limitation the rights
9+
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10+
copies of the Software, and to permit persons to whom the Software is
11+
furnished to do so, subject to the following conditions:
12+
13+
The above copyright notice and this permission notice shall be included in all
14+
copies or substantial portions of the Software.
15+
16+
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17+
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18+
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19+
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20+
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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import Testing
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@testable import SwiftLogCrashlyticsLogHandler
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@Test func example() async throws {
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// Write your test here and use APIs like `#expect(...)` to check expected conditions.
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}

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