Allow adding to iOS 13 project (though GeoMonitor remains iOS 14+) (#4)

.gitignore

@@ -7,4 +7,8 @@ DerivedData/
 .swiftpm/config/registries.json
 .swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
 .netrc
-/build
+/build
+
+# Running tests
+TestResults
+TestResults.xcresult

GeoMonitor.podspec

@@ -16,7 +16,7 @@ Pod::Spec.new do |spec|
   #
 
   spec.name         = "GeoMonitor"
-  spec.version      = "0.1.1"
+  spec.version      = "0.1.2"
   spec.summary      = "iOS library for background monitoring of a user's movement"
 
   # This description is used to generate tags and improve search results.
@@ -67,7 +67,7 @@ Pod::Spec.new do |spec|
   #
 
   # spec.platform     = :ios
-  spec.platform     = :ios, "14.0"
+  spec.platform     = :ios, "13.0"
 
   #  When using multiple platforms
   # spec.ios.deployment_target = "5.0"

Package.swift

@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
   name: "GeoMonitor",
   platforms: [
-    .iOS(.v14)
+    .iOS(.v13)
   ],
   products: [
     // Products define the executables and libraries a package produces, and make them visible to other packages.

README.md

@@ -17,6 +17,8 @@ Relies on a mixture of techniques, such as:
 
 ## Usage
 
+*GeoMonitor requires iOS 14+*
+
 ```swift
 self.monitor = GeoMonitor {
   // Fetch the latest regions; also called when entering one.

Sources/GeoMonitor/GeoMonitor.swift

@@ -3,6 +3,7 @@ import Foundation
 import CoreLocation
 import MapKit
 
+@available(iOS 14.0, *)
 public protocol GeoMonitorDataSource {
   func fetchRegions(trigger: GeoMonitor.FetchTrigger) async -> [CLCircularRegion]
 }
@@ -16,6 +17,7 @@ public protocol GeoMonitorDataSource {
 ///   alerted, when they get to them (e.g., traffic incidents); where monitoring can be long-term.
 /// - Monitoring a set of regions where the user wants to be alerted as they approach them, but
 ///   monitoring is limited for brief durations (e.g., "get off here" alerts for transit apps)
+@available(iOS 14.0, *)
 public class GeoMonitor: NSObject, ObservableObject {
   enum Constants {
     static var currentLocationRegionMaximumRadius: CLLocationDistance      = 2_500
@@ -333,6 +335,7 @@ public class GeoMonitor: NSObject, ObservableObject {
 
 // MARK: - Trigger on move
 
+@available(iOS 14.0, *)
 extension GeoMonitor {
   
   @discardableResult
@@ -388,6 +391,7 @@ extension GeoMonitor {
 
 // MARK: - Alert monitoring logic
 
+@available(iOS 14.0, *)
 extension GeoMonitor {
   
   private func monitorDebounced(_ regions: [CLCircularRegion], location: CLLocation?, delay: TimeInterval? = nil) {
@@ -471,6 +475,7 @@ extension GeoMonitor {
 
 // MARK: - CLLocationManagerDelegate
 
+@available(iOS 14.0, *)
 extension GeoMonitor: CLLocationManagerDelegate {
   
   public func locationManager(_ manager: CLLocationManager, didEnterRegion region: CLRegion) {
@@ -603,6 +608,7 @@ extension GeoMonitor: CLLocationManagerDelegate {
 
 // MARK: - Helpers
 
+@available(iOS 14.0, *)
 private struct SimpleDataSource: GeoMonitorDataSource {
   let handler: (GeoMonitor.FetchTrigger) async -> [CLCircularRegion]
   

Tests/GeoMonitorTests/GeoMonitorTests.swift

@@ -3,6 +3,7 @@ import CoreLocation
 
 @testable import GeoMonitor
 
+@available(iOS 14.0, *)
 final class GeoMonitorTests: XCTestCase {
   func testManyRegions() throws {
     // This is an example of a functional test case.