feat: Add minFocusDistance prop to CameraDevice (#2392)

* docs: Link `videoHdr`

* Update PERFORMANCE.mdx

* docs: Add isActive to perf

* docs: Update errors

* feat: Add `minFocusDistance` prop

* Format

* Update Podfile.lock

* fix: To Double

* fix: Import AVFoundation

* fix: Move from format -> device

* fix: Use centi-meters (cm) instead of meters

* Fix deadloop

* fix: Avoid -1 values

package/ios/Extensions/AVCaptureDevice+minFocusDistance.swift

@@ -0,0 +1,25 @@
+//
+//  AVCaptureDevice+minFocusDistance.swift
+//  VisionCamera
+//
+//  Created by Marc Rousavy on 15.01.24.
+//  Copyright © 2024 mrousavy. All rights reserved.
+//
+
+import AVFoundation
+import Foundation
+
+extension AVCaptureDevice {
+  /**
+   * The minimum distance this device can focus to, in centi-meters.
+   */
+  var minFocusDistance: Double {
+    guard #available(iOS 15.0, *), minimumFocusDistance > 0 else {
+      // focus distance is unknown/unavailable
+      return 0
+    }
+
+    // convert from millimeters to centimeters
+    return Double(minimumFocusDistance) / 10
+  }
+}

package/ios/Extensions/AVCaptureDevice+toDictionary.swift

@@ -19,6 +19,7 @@ extension AVCaptureDevice {
       "name": localizedName,
       "hasFlash": hasFlash,
       "hasTorch": hasTorch,
+      "minFocusDistance": minFocusDistance,
       "minZoom": minAvailableVideoZoomFactor,
       "maxZoom": maxAvailableVideoZoomFactor,
       "neutralZoom": neutralZoomFactor,