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Build Information

Failed to build DateGrid, reference main (2b0665), with Swift 6.0 for macOS (SPM) on 3 Nov 2024 22:06:31 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/yodagamaheshan/DateGrid.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/yodagamaheshan/DateGrid
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 2b0665b code formatted
Cloned https://github.com/yodagamaheshan/DateGrid.git
Revision (git rev-parse @):
2b0665b6bb5b1408b74d0d9acc406f300483cf7c
SUCCESS checkout https://github.com/yodagamaheshan/DateGrid.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "dategrid",
      "name": "DateGrid",
      "url": "https://github.com/yodagamaheshan/DateGrid.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/DateGrid",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/yodagamaheshan/DateGrid.git
[1/261] Fetching dategrid
Fetched https://github.com/yodagamaheshan/DateGrid.git from cache (0.89s)
Creating working copy for https://github.com/yodagamaheshan/DateGrid.git
Working copy of https://github.com/yodagamaheshan/DateGrid.git resolved at main (2b0665b)
warning: '.resolve-product-dependencies': dependency 'dategrid' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/yodagamaheshan/DateGrid.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/12] Compiling DateGrid CalenderModes.swift
[4/12] Compiling DateGrid DateGridDate.swift
[5/12] Compiling DateGrid DateFormatter+dateFormats.swift
[6/13] Compiling DateGrid Date+dateFormat.swift
[7/13] Compiling DateGrid Calendar+genarageDates.swift
[8/13] Compiling DateGrid NormalDayCell.swift
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/NormalDayCell.swift:16:27: error: 'View' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct NormalDayCell: View {
   |               `- note: add @available attribute to enclosing struct
11 |     public init(date: Date) {
12 |         self.date = date
   :
14 |
15 |     private var date: Date
16 |     public var body: some View {
   |                |          `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing property
17 |         Text(date.day)
18 |             .padding(8)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/NormalDayCell.swift:26:31: error: 'View' is only available in macOS 10.15 or newer
23 | }
24 |
25 | struct NormalDayCell_Previews: PreviewProvider {
   |        `- note: add @available attribute to enclosing struct
26 |     static var previews: some View {
   |                |              `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing static property
27 |         NormalDayCell(date: Date())
28 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/NormalDayCell.swift:17:9: error: 'Text' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct NormalDayCell: View {
   |               `- note: add @available attribute to enclosing struct
11 |     public init(date: Date) {
12 |         self.date = date
   :
14 |
15 |     private var date: Date
16 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
17 |         Text(date.day)
   |         |- error: 'Text' is only available in macOS 10.15 or newer
   |         `- note: add 'if #available' version check
18 |             .padding(8)
19 |             .background(Color.blue)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/NormalDayCell.swift:18:14: error: 'padding' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct NormalDayCell: View {
   |               `- note: add @available attribute to enclosing struct
11 |     public init(date: Date) {
12 |         self.date = date
   :
14 |
15 |     private var date: Date
16 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
17 |         Text(date.day)
18 |             .padding(8)
   |              |- error: 'padding' is only available in macOS 10.15 or newer
   |              `- note: add 'if #available' version check
19 |             .background(Color.blue)
20 |             .cornerRadius(8)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/NormalDayCell.swift:19:14: error: 'background(_:ignoresSafeAreaEdges:)' is only available in macOS 12.0 or newer
 8 | import SwiftUI
 9 |
10 | public struct NormalDayCell: View {
   |               `- note: add @available attribute to enclosing struct
11 |     public init(date: Date) {
12 |         self.date = date
   :
14 |
15 |     private var date: Date
16 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
17 |         Text(date.day)
18 |             .padding(8)
19 |             .background(Color.blue)
   |              |- error: 'background(_:ignoresSafeAreaEdges:)' is only available in macOS 12.0 or newer
   |              `- note: add 'if #available' version check
20 |             .cornerRadius(8)
21 |             .padding([.bottom], 10)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/NormalDayCell.swift:19:25: error: 'Color' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct NormalDayCell: View {
   |               `- note: add @available attribute to enclosing struct
11 |     public init(date: Date) {
12 |         self.date = date
   :
14 |
15 |     private var date: Date
16 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
17 |         Text(date.day)
18 |             .padding(8)
19 |             .background(Color.blue)
   |                         |- error: 'Color' is only available in macOS 10.15 or newer
   |                         `- note: add 'if #available' version check
20 |             .cornerRadius(8)
21 |             .padding([.bottom], 10)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/NormalDayCell.swift:19:31: error: 'blue' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct NormalDayCell: View {
   |               `- note: add @available attribute to enclosing struct
11 |     public init(date: Date) {
12 |         self.date = date
   :
14 |
15 |     private var date: Date
16 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
17 |         Text(date.day)
18 |             .padding(8)
19 |             .background(Color.blue)
   |                               |- error: 'blue' is only available in macOS 10.15 or newer
   |                               `- note: add 'if #available' version check
20 |             .cornerRadius(8)
21 |             .padding([.bottom], 10)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/NormalDayCell.swift:20:14: error: 'cornerRadius(_:antialiased:)' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct NormalDayCell: View {
   |               `- note: add @available attribute to enclosing struct
11 |     public init(date: Date) {
12 |         self.date = date
   :
14 |
15 |     private var date: Date
16 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
17 |         Text(date.day)
18 |             .padding(8)
19 |             .background(Color.blue)
20 |             .cornerRadius(8)
   |              |- error: 'cornerRadius(_:antialiased:)' is only available in macOS 10.15 or newer
   |              `- note: add 'if #available' version check
21 |             .padding([.bottom], 10)
22 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/NormalDayCell.swift:21:14: error: 'padding' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct NormalDayCell: View {
   |               `- note: add @available attribute to enclosing struct
11 |     public init(date: Date) {
12 |         self.date = date
   :
14 |
15 |     private var date: Date
16 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
17 |         Text(date.day)
18 |             .padding(8)
19 |             .background(Color.blue)
20 |             .cornerRadius(8)
21 |             .padding([.bottom], 10)
   |              |- error: 'padding' is only available in macOS 10.15 or newer
   |              `- note: add 'if #available' version check
22 |     }
23 | }
error: emit-module command failed with exit code 1 (use -v to see invocation)
[9/13] Compiling DateGrid DateCell1.swift
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:16:6: error: 'State' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
14 |     }
15 |
16 |     @State private var isShown = false
   |      `- error: 'State' is only available in macOS 10.15 or newer
17 |     private let date: Date
18 |
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:19:27: error: 'View' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                |          `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:42:31: error: 'View' is only available in macOS 10.15 or newer
39 | }
40 |
41 | struct DateCell1_Previews: PreviewProvider {
   |        `- note: add @available attribute to enclosing struct
42 |     static var previews: some View {
   |                |              `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing static property
43 |         DateCell1(date: Date())
44 |             .background(Color.red)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:20:9: error: 'buildExpression' is unavailable: this expression does not conform to 'View'
18 |
19 |     public var body: some View {
20 |         Group {
   |         `- error: 'buildExpression' is unavailable: this expression does not conform to 'View'
21 |             if isShown {
22 |                 Text(date.day)
SwiftUICore.ViewBuilder:5:24: note: 'buildExpression' has been explicitly marked unavailable here
 3 |     public static func buildExpression<Content>(_ content: Content) -> Content where Content : View
 4 |     @available(*, unavailable, message: "this expression does not conform to 'View'")
 5 |     public static func buildExpression(_ invalid: Any) -> some View
   |                        `- note: 'buildExpression' has been explicitly marked unavailable here
 6 |
 7 |     public static func buildBlock() -> EmptyView
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:20:9: error: 'Group' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
   |         |- error: 'Group' is only available in macOS 10.15 or newer
   |         `- note: add 'if #available' version check
21 |             if isShown {
22 |                 Text(date.day)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:20:9: error: 'init(content:)' is only available in macOS 11.0 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
   |         |- error: 'init(content:)' is only available in macOS 11.0 or newer
   |         `- note: add 'if #available' version check
21 |             if isShown {
22 |                 Text(date.day)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:22:17: error: 'buildExpression' is unavailable: this expression does not conform to 'ToolbarContent' or 'CustomizableToolbarContent'
20 |         Group {
21 |             if isShown {
22 |                 Text(date.day)
   |                 `- error: 'buildExpression' is unavailable: this expression does not conform to 'ToolbarContent' or 'CustomizableToolbarContent'
23 |                     .padding(8)
24 |                     .background(Color.purple)
SwiftUI.ToolbarContentBuilder:10:24: note: 'buildExpression' has been explicitly marked unavailable here
 8 |
 9 |     @available(*, unavailable, message: "this expression does not conform to 'ToolbarContent' or 'CustomizableToolbarContent'")
10 |     public static func buildExpression(_ invalid: Any) -> some CustomizableToolbarContent
   |                        `- note: 'buildExpression' has been explicitly marked unavailable here
11 |
12 | }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:22:17: error: 'Text' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
22 |                 Text(date.day)
   |                 |- error: 'Text' is only available in macOS 10.15 or newer
   |                 `- note: add 'if #available' version check
23 |                     .padding(8)
24 |                     .background(Color.purple)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:23:22: error: 'padding' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
22 |                 Text(date.day)
23 |                     .padding(8)
   |                      |- error: 'padding' is only available in macOS 10.15 or newer
   |                      `- note: add 'if #available' version check
24 |                     .background(Color.purple)
25 |                     .cornerRadius(20)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:24:22: error: 'background(_:ignoresSafeAreaEdges:)' is only available in macOS 12.0 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
22 |                 Text(date.day)
23 |                     .padding(8)
24 |                     .background(Color.purple)
   |                      |- error: 'background(_:ignoresSafeAreaEdges:)' is only available in macOS 12.0 or newer
   |                      `- note: add 'if #available' version check
25 |                     .cornerRadius(20)
26 |                     .padding(.bottom, 10)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:24:33: error: 'Color' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
22 |                 Text(date.day)
23 |                     .padding(8)
24 |                     .background(Color.purple)
   |                                 |- error: 'Color' is only available in macOS 10.15 or newer
   |                                 `- note: add 'if #available' version check
25 |                     .cornerRadius(20)
26 |                     .padding(.bottom, 10)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:24:39: error: 'purple' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
22 |                 Text(date.day)
23 |                     .padding(8)
24 |                     .background(Color.purple)
   |                                       |- error: 'purple' is only available in macOS 10.15 or newer
   |                                       `- note: add 'if #available' version check
25 |                     .cornerRadius(20)
26 |                     .padding(.bottom, 10)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:25:22: error: 'cornerRadius(_:antialiased:)' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
23 |                     .padding(8)
24 |                     .background(Color.purple)
25 |                     .cornerRadius(20)
   |                      |- error: 'cornerRadius(_:antialiased:)' is only available in macOS 10.15 or newer
   |                      `- note: add 'if #available' version check
26 |                     .padding(.bottom, 10)
27 |                     .transition(AnyTransition.scale.animation(Animation.spring().delay(Double(date.day)!/30)))
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:26:22: error: 'padding' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
24 |                     .background(Color.purple)
25 |                     .cornerRadius(20)
26 |                     .padding(.bottom, 10)
   |                      |- error: 'padding' is only available in macOS 10.15 or newer
   |                      `- note: add 'if #available' version check
27 |                     .transition(AnyTransition.scale.animation(Animation.spring().delay(Double(date.day)!/30)))
28 |
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:27:22: error: 'transition' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
25 |                     .cornerRadius(20)
26 |                     .padding(.bottom, 10)
27 |                     .transition(AnyTransition.scale.animation(Animation.spring().delay(Double(date.day)!/30)))
   |                      |- error: 'transition' is only available in macOS 10.15 or newer
   |                      `- note: add 'if #available' version check
28 |
29 |             } else {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:27:33: error: 'AnyTransition' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
25 |                     .cornerRadius(20)
26 |                     .padding(.bottom, 10)
27 |                     .transition(AnyTransition.scale.animation(Animation.spring().delay(Double(date.day)!/30)))
   |                                 |- error: 'AnyTransition' is only available in macOS 10.15 or newer
   |                                 `- note: add 'if #available' version check
28 |
29 |             } else {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:27:47: error: 'scale' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
25 |                     .cornerRadius(20)
26 |                     .padding(.bottom, 10)
27 |                     .transition(AnyTransition.scale.animation(Animation.spring().delay(Double(date.day)!/30)))
   |                                               |- error: 'scale' is only available in macOS 10.15 or newer
   |                                               `- note: add 'if #available' version check
28 |
29 |             } else {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:27:53: error: 'animation' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
25 |                     .cornerRadius(20)
26 |                     .padding(.bottom, 10)
27 |                     .transition(AnyTransition.scale.animation(Animation.spring().delay(Double(date.day)!/30)))
   |                                                     |- error: 'animation' is only available in macOS 10.15 or newer
   |                                                     `- note: add 'if #available' version check
28 |
29 |             } else {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:27:63: error: 'Animation' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
25 |                     .cornerRadius(20)
26 |                     .padding(.bottom, 10)
27 |                     .transition(AnyTransition.scale.animation(Animation.spring().delay(Double(date.day)!/30)))
   |                                                               |- error: 'Animation' is only available in macOS 10.15 or newer
   |                                                               `- note: add 'if #available' version check
28 |
29 |             } else {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:27:73: error: 'spring(duration:bounce:blendDuration:)' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
25 |                     .cornerRadius(20)
26 |                     .padding(.bottom, 10)
27 |                     .transition(AnyTransition.scale.animation(Animation.spring().delay(Double(date.day)!/30)))
   |                                                                         |- error: 'spring(duration:bounce:blendDuration:)' is only available in macOS 10.15 or newer
   |                                                                         `- note: add 'if #available' version check
28 |
29 |             } else {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:27:82: error: 'delay' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
25 |                     .cornerRadius(20)
26 |                     .padding(.bottom, 10)
27 |                     .transition(AnyTransition.scale.animation(Animation.spring().delay(Double(date.day)!/30)))
   |                                                                                  |- error: 'delay' is only available in macOS 10.15 or newer
   |                                                                                  `- note: add 'if #available' version check
28 |
29 |             } else {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:21:24: error: 'buildEither(first:)' is only available in macOS 13.0 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   |                        |- error: 'buildEither(first:)' is only available in macOS 13.0 or newer
   |                        `- note: add 'if #available' version check
22 |                 Text(date.day)
23 |                     .padding(8)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:30:17: error: 'buildExpression' is unavailable: this expression does not conform to 'ToolbarContent' or 'CustomizableToolbarContent'
28 |
29 |             } else {
30 |                 Text("")
   |                 `- error: 'buildExpression' is unavailable: this expression does not conform to 'ToolbarContent' or 'CustomizableToolbarContent'
31 |                     .onAppear(perform: {
32 |                         withAnimation {
SwiftUI.ToolbarContentBuilder:10:24: note: 'buildExpression' has been explicitly marked unavailable here
 8 |
 9 |     @available(*, unavailable, message: "this expression does not conform to 'ToolbarContent' or 'CustomizableToolbarContent'")
10 |     public static func buildExpression(_ invalid: Any) -> some CustomizableToolbarContent
   |                        `- note: 'buildExpression' has been explicitly marked unavailable here
11 |
12 | }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:30:17: error: 'Text' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
28 |
29 |             } else {
30 |                 Text("")
   |                 |- error: 'Text' is only available in macOS 10.15 or newer
   |                 `- note: add 'if #available' version check
31 |                     .onAppear(perform: {
32 |                         withAnimation {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:31:22: error: 'onAppear(perform:)' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
29 |             } else {
30 |                 Text("")
31 |                     .onAppear(perform: {
   |                      |- error: 'onAppear(perform:)' is only available in macOS 10.15 or newer
   |                      `- note: add 'if #available' version check
32 |                         withAnimation {
33 |                             isShown = true
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:32:25: error: 'withAnimation' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
30 |                 Text("")
31 |                     .onAppear(perform: {
32 |                         withAnimation {
   |                         |- error: 'withAnimation' is only available in macOS 10.15 or newer
   |                         `- note: add 'if #available' version check
33 |                             isShown = true
34 |                         }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:33:29: error: setter for 'isShown' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
31 |                     .onAppear(perform: {
32 |                         withAnimation {
33 |                             isShown = true
   |                             |- error: setter for 'isShown' is only available in macOS 10.15 or newer
   |                             `- note: add 'if #available' version check
34 |                         }
35 |                     })
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:29:20: error: 'buildEither(second:)' is only available in macOS 13.0 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
   :
27 |                     .transition(AnyTransition.scale.animation(Animation.spring().delay(Double(date.day)!/30)))
28 |
29 |             } else {
   |                    |- error: 'buildEither(second:)' is only available in macOS 13.0 or newer
   |                    `- note: add 'if #available' version check
30 |                 Text("")
31 |                     .onAppear(perform: {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:20:15: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to 'CustomizableToolbarContent' is only available in macOS 13.0 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
20 |         Group {
   |               |- warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to 'CustomizableToolbarContent' is only available in macOS 13.0 or newer; this is an error in the Swift 6 language mode
   |               `- note: add 'if #available' version check
21 |             if isShown {
22 |                 Text(date.day)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:44:14: error: 'background(_:ignoresSafeAreaEdges:)' is only available in macOS 12.0 or newer
39 | }
40 |
41 | struct DateCell1_Previews: PreviewProvider {
   |        `- note: add @available attribute to enclosing struct
42 |     static var previews: some View {
   |                `- note: add @available attribute to enclosing static property
43 |         DateCell1(date: Date())
44 |             .background(Color.red)
   |              |- error: 'background(_:ignoresSafeAreaEdges:)' is only available in macOS 12.0 or newer
   |              `- note: add 'if #available' version check
45 |     }
46 | }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:44:25: error: 'Color' is only available in macOS 10.15 or newer
39 | }
40 |
41 | struct DateCell1_Previews: PreviewProvider {
   |        `- note: add @available attribute to enclosing struct
42 |     static var previews: some View {
   |                `- note: add @available attribute to enclosing static property
43 |         DateCell1(date: Date())
44 |             .background(Color.red)
   |                         |- error: 'Color' is only available in macOS 10.15 or newer
   |                         `- note: add 'if #available' version check
45 |     }
46 | }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:44:31: error: 'red' is only available in macOS 10.15 or newer
39 | }
40 |
41 | struct DateCell1_Previews: PreviewProvider {
   |        `- note: add @available attribute to enclosing struct
42 |     static var previews: some View {
   |                `- note: add @available attribute to enclosing static property
43 |         DateCell1(date: Date())
44 |             .background(Color.red)
   |                               |- error: 'red' is only available in macOS 10.15 or newer
   |                               `- note: add 'if #available' version check
45 |     }
46 | }
[10/13] Emitting module DateGrid
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:16:6: error: 'State' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
14 |     }
15 |
16 |     @State private var isShown = false
   |      `- error: 'State' is only available in macOS 10.15 or newer
17 |     private let date: Date
18 |
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:19:27: error: 'View' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct DateCell1: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init(date: Date) {
   :
17 |     private let date: Date
18 |
19 |     public var body: some View {
   |                |          `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing property
20 |         Group {
21 |             if isShown {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/DateCell1.swift:42:31: error: 'View' is only available in macOS 10.15 or newer
39 | }
40 |
41 | struct DateCell1_Previews: PreviewProvider {
   |        `- note: add @available attribute to enclosing struct
42 |     static var previews: some View {
   |                |              `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing static property
43 |         DateCell1(date: Date())
44 |             .background(Color.red)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/NormalDayCell.swift:16:27: error: 'View' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct NormalDayCell: View {
   |               `- note: add @available attribute to enclosing struct
11 |     public init(date: Date) {
12 |         self.date = date
   :
14 |
15 |     private var date: Date
16 |     public var body: some View {
   |                |          `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing property
17 |         Text(date.day)
18 |             .padding(8)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/Cell/NormalDayCell.swift:26:31: error: 'View' is only available in macOS 10.15 or newer
23 | }
24 |
25 | struct NormalDayCell_Previews: PreviewProvider {
   |        `- note: add @available attribute to enclosing struct
26 |     static var previews: some View {
   |                |              `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing static property
27 |         NormalDayCell(date: Date())
28 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:19:24: error: 'Binding' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 15 |     ///   - selectedMonth: date relevant to showing month, then you can extract the components
 16 |     ///   - content:
 17 |     public init(
    |            `- note: add @available attribute to enclosing initializer
 18 |         interval: DateInterval,
 19 |         selectedMonth: Binding<Date>,
    |                        `- error: 'Binding' is only available in macOS 10.15 or newer
 20 |         mode: CalendarMode,
 21 |         @ViewBuilder content: @escaping (DateGridDate) -> DateView
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:21:10: error: 'ViewBuilder' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 15 |     ///   - selectedMonth: date relevant to showing month, then you can extract the components
 16 |     ///   - content:
 17 |     public init(
    |            `- note: add @available attribute to enclosing initializer
 18 |         interval: DateInterval,
 19 |         selectedMonth: Binding<Date>,
 20 |         mode: CalendarMode,
 21 |         @ViewBuilder content: @escaping (DateGridDate) -> DateView
    |          `- error: 'ViewBuilder' is only available in macOS 10.15 or newer
 22 |     ) {
 23 |         self.viewModel = .init(interval: interval, mode: mode)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:31:6: error: 'Binding' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 29 |     private let viewModel: DateGridViewModel
 30 |     private let content: (DateGridDate) -> DateView
 31 |     @Binding var selectedMonth: Date
    |      `- error: 'Binding' is only available in macOS 10.15 or newer
 32 |
 33 |     public var body: some View {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:33:27: error: 'View' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 31 |     @Binding var selectedMonth: Date
 32 |
 33 |     public var body: some View {
    |                |          `- error: 'View' is only available in macOS 10.15 or newer
    |                `- note: add @available attribute to enclosing property
 34 |
 35 |         TabView(selection: $selectedMonth) {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:10:56: error: 'View' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               |                                        `- error: 'View' is only available in macOS 10.15 or newer
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:48:6: error: 'State' is only available in macOS 10.15 or newer
 44 | }
 45 |
 46 | struct CalendarView_Previews: PreviewProvider {
    |        `- note: add @available attribute to enclosing struct
 47 |
 48 |     @State static var selectedMonthDate = Date()
    |      `- error: 'State' is only available in macOS 10.15 or newer
 49 |
 50 |     static var previews: some View {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:50:31: error: 'View' is only available in macOS 10.15 or newer
 44 | }
 45 |
 46 | struct CalendarView_Previews: PreviewProvider {
    |        `- note: add @available attribute to enclosing struct
 47 |
 48 |     @State static var selectedMonthDate = Date()
 49 |
 50 |     static var previews: some View {
    |                |              `- error: 'View' is only available in macOS 10.15 or newer
    |                `- note: add @available attribute to enclosing static property
 51 |         VStack {
 52 |             Text(selectedMonthDate.description)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:76:20: error: 'View' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         |          `- error: 'View' is only available in macOS 10.15 or newer
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:72:54: error: 'View' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        |                                             `- error: 'View' is only available in macOS 10.15 or newer
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGridViewModel.swift:17:20: error: 'calendar' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | class DateGridViewModel: ObservableObject {
   |       `- note: add @available attribute to enclosing class
11 |     //FIXME: change var names "mode"
12 |     init(interval: DateInterval, mode: CalendarMode) {
   :
15 |     }
16 |
17 |     @Environment(\.calendar) var calendar
   |                    `- error: 'calendar' is only available in macOS 10.15 or newer
18 |     let interval: DateInterval
19 |     var mode: CalendarMode
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGridViewModel.swift:17:6: error: 'Environment' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | class DateGridViewModel: ObservableObject {
   |       `- note: add @available attribute to enclosing class
11 |     //FIXME: change var names "mode"
12 |     init(interval: DateInterval, mode: CalendarMode) {
   :
15 |     }
16 |
17 |     @Environment(\.calendar) var calendar
   |      `- error: 'Environment' is only available in macOS 10.15 or newer
18 |     let interval: DateInterval
19 |     var mode: CalendarMode
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGridViewModel.swift:10:26: error: 'ObservableObject' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | class DateGridViewModel: ObservableObject {
   |       |                  `- error: 'ObservableObject' is only available in macOS 10.15 or newer
   |       `- note: add @available attribute to enclosing class
11 |     //FIXME: change var names "mode"
12 |     init(interval: DateInterval, mode: CalendarMode) {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:14:27: error: 'View' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                |          `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:28:31: error: 'View' is only available in macOS 10.15 or newer
25 | }
26 |
27 | struct WeekDaySymbols_Previews: PreviewProvider {
   |        `- note: add @available attribute to enclosing struct
28 |     static var previews: some View {
   |                |              `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing static property
29 |         WeekDaySymbols()
30 |     }
[11/13] Compiling DateGrid DateGrid.swift
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:19:24: error: 'Binding' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 15 |     ///   - selectedMonth: date relevant to showing month, then you can extract the components
 16 |     ///   - content:
 17 |     public init(
    |            `- note: add @available attribute to enclosing initializer
 18 |         interval: DateInterval,
 19 |         selectedMonth: Binding<Date>,
    |                        `- error: 'Binding' is only available in macOS 10.15 or newer
 20 |         mode: CalendarMode,
 21 |         @ViewBuilder content: @escaping (DateGridDate) -> DateView
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:21:10: error: 'ViewBuilder' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 15 |     ///   - selectedMonth: date relevant to showing month, then you can extract the components
 16 |     ///   - content:
 17 |     public init(
    |            `- note: add @available attribute to enclosing initializer
 18 |         interval: DateInterval,
 19 |         selectedMonth: Binding<Date>,
 20 |         mode: CalendarMode,
 21 |         @ViewBuilder content: @escaping (DateGridDate) -> DateView
    |          `- error: 'ViewBuilder' is only available in macOS 10.15 or newer
 22 |     ) {
 23 |         self.viewModel = .init(interval: interval, mode: mode)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:31:6: error: 'Binding' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 29 |     private let viewModel: DateGridViewModel
 30 |     private let content: (DateGridDate) -> DateView
 31 |     @Binding var selectedMonth: Date
    |      `- error: 'Binding' is only available in macOS 10.15 or newer
 32 |
 33 |     public var body: some View {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:33:27: error: 'View' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 31 |     @Binding var selectedMonth: Date
 32 |
 33 |     public var body: some View {
    |                |          `- error: 'View' is only available in macOS 10.15 or newer
    |                `- note: add @available attribute to enclosing property
 34 |
 35 |         TabView(selection: $selectedMonth) {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:10:56: error: 'View' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               |                                        `- error: 'View' is only available in macOS 10.15 or newer
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:48:6: error: 'State' is only available in macOS 10.15 or newer
 44 | }
 45 |
 46 | struct CalendarView_Previews: PreviewProvider {
    |        `- note: add @available attribute to enclosing struct
 47 |
 48 |     @State static var selectedMonthDate = Date()
    |      `- error: 'State' is only available in macOS 10.15 or newer
 49 |
 50 |     static var previews: some View {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:50:31: error: 'View' is only available in macOS 10.15 or newer
 44 | }
 45 |
 46 | struct CalendarView_Previews: PreviewProvider {
    |        `- note: add @available attribute to enclosing struct
 47 |
 48 |     @State static var selectedMonthDate = Date()
 49 |
 50 |     static var previews: some View {
    |                |              `- error: 'View' is only available in macOS 10.15 or newer
    |                `- note: add @available attribute to enclosing static property
 51 |         VStack {
 52 |             Text(selectedMonthDate.description)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:76:20: error: 'View' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         |          `- error: 'View' is only available in macOS 10.15 or newer
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:72:54: error: 'View' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        |                                             `- error: 'View' is only available in macOS 10.15 or newer
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:35:9: error: 'TabView' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 31 |     @Binding var selectedMonth: Date
 32 |
 33 |     public var body: some View {
    |                `- note: add @available attribute to enclosing property
 34 |
 35 |         TabView(selection: $selectedMonth) {
    |         |- error: 'TabView' is only available in macOS 10.15 or newer
    |         `- note: add 'if #available' version check
 36 |
 37 |             MonthsOrWeeks(viewModel: viewModel, content: content)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:39:10: error: 'frame(width:height:alignment:)' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 31 |     @Binding var selectedMonth: Date
 32 |
 33 |     public var body: some View {
    |                `- note: add @available attribute to enclosing property
 34 |
 35 |         TabView(selection: $selectedMonth) {
    :
 37 |             MonthsOrWeeks(viewModel: viewModel, content: content)
 38 |         }
 39 |         .frame(height: viewModel.mode.estimateHeight, alignment: .center)
    |          |- error: 'frame(width:height:alignment:)' is only available in macOS 10.15 or newer
    |          `- note: add 'if #available' version check
 40 |         .tabViewStyle(PageTabViewStyle(indexDisplayMode: .never))
 41 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:39:67: error: 'center' is only available in macOS 10.15 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 31 |     @Binding var selectedMonth: Date
 32 |
 33 |     public var body: some View {
    |                `- note: add @available attribute to enclosing property
 34 |
 35 |         TabView(selection: $selectedMonth) {
    :
 37 |             MonthsOrWeeks(viewModel: viewModel, content: content)
 38 |         }
 39 |         .frame(height: viewModel.mode.estimateHeight, alignment: .center)
    |                                                                   |- error: 'center' is only available in macOS 10.15 or newer
    |                                                                   `- note: add 'if #available' version check
 40 |         .tabViewStyle(PageTabViewStyle(indexDisplayMode: .never))
 41 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:40:10: error: 'tabViewStyle' is only available in macOS 11.0 or newer
  8 | import SwiftUI
  9 |
 10 | public struct DateGrid<DateView>: View where DateView: View {
    |               `- note: add @available attribute to enclosing generic struct
 11 |
 12 |     /// DateStack view
    :
 31 |     @Binding var selectedMonth: Date
 32 |
 33 |     public var body: some View {
    |                `- note: add @available attribute to enclosing property
 34 |
 35 |         TabView(selection: $selectedMonth) {
    :
 38 |         }
 39 |         .frame(height: viewModel.mode.estimateHeight, alignment: .center)
 40 |         .tabViewStyle(PageTabViewStyle(indexDisplayMode: .never))
    |          |- error: 'tabViewStyle' is only available in macOS 11.0 or newer
    |          `- note: add 'if #available' version check
 41 |     }
 42 |
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:40:23: error: 'PageTabViewStyle' is unavailable in macOS
 38 |         }
 39 |         .frame(height: viewModel.mode.estimateHeight, alignment: .center)
 40 |         .tabViewStyle(PageTabViewStyle(indexDisplayMode: .never))
    |                       `- error: 'PageTabViewStyle' is unavailable in macOS
 41 |     }
 42 |
SwiftUI.PageTabViewStyle:3:15: note: 'PageTabViewStyle' has been explicitly marked unavailable here
 1 | @available(iOS 14.0, tvOS 14.0, watchOS 7.0, *)
 2 | @available(macOS, unavailable)
 3 | public struct PageTabViewStyle : TabViewStyle {
   |               `- note: 'PageTabViewStyle' has been explicitly marked unavailable here
 4 |     public struct IndexDisplayMode : Sendable {
 5 |         public static let automatic: PageTabViewStyle.IndexDisplayMode
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:51:9: error: 'VStack' is only available in macOS 10.15 or newer
 44 | }
 45 |
 46 | struct CalendarView_Previews: PreviewProvider {
    |        `- note: add @available attribute to enclosing struct
 47 |
 48 |     @State static var selectedMonthDate = Date()
 49 |
 50 |     static var previews: some View {
    |                `- note: add @available attribute to enclosing static property
 51 |         VStack {
    |         |- error: 'VStack' is only available in macOS 10.15 or newer
    |         `- note: add 'if #available' version check
 52 |             Text(selectedMonthDate.description)
 53 |             WeekDaySymbols()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:52:13: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 44 | }
 45 |
 46 | struct CalendarView_Previews: PreviewProvider {
    |        `- note: add @available attribute to enclosing struct
 47 |
 48 |     @State static var selectedMonthDate = Date()
 49 |
 50 |     static var previews: some View {
    |                `- note: add @available attribute to enclosing static property
 51 |         VStack {
 52 |             Text(selectedMonthDate.description)
    |             |- warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
    |             `- note: add 'if #available' version check
 53 |             WeekDaySymbols()
 54 |
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:52:13: error: 'Text' is only available in macOS 10.15 or newer
 44 | }
 45 |
 46 | struct CalendarView_Previews: PreviewProvider {
    |        `- note: add @available attribute to enclosing struct
 47 |
 48 |     @State static var selectedMonthDate = Date()
 49 |
 50 |     static var previews: some View {
    |                `- note: add @available attribute to enclosing static property
 51 |         VStack {
 52 |             Text(selectedMonthDate.description)
    |             |- error: 'Text' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
 53 |             WeekDaySymbols()
 54 |
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:51:16: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 44 | }
 45 |
 46 | struct CalendarView_Previews: PreviewProvider {
    |        `- note: add @available attribute to enclosing struct
 47 |
 48 |     @State static var selectedMonthDate = Date()
 49 |
 50 |     static var previews: some View {
    |                `- note: add @available attribute to enclosing static property
 51 |         VStack {
    |                |- warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
    |                `- note: add 'if #available' version check
 52 |             Text(selectedMonthDate.description)
 53 |             WeekDaySymbols()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGridViewModel.swift:17:20: error: 'calendar' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | class DateGridViewModel: ObservableObject {
   |       `- note: add @available attribute to enclosing class
11 |     //FIXME: change var names "mode"
12 |     init(interval: DateInterval, mode: CalendarMode) {
   :
15 |     }
16 |
17 |     @Environment(\.calendar) var calendar
   |                    `- error: 'calendar' is only available in macOS 10.15 or newer
18 |     let interval: DateInterval
19 |     var mode: CalendarMode
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:77:9: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
    |         |- warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
    |         `- note: add 'if #available' version check
 78 |
 79 |             VStack {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:77:9: error: 'ForEach' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
    |         |- error: 'ForEach' is only available in macOS 10.15 or newer
    |         `- note: add 'if #available' version check
 78 |
 79 |             VStack {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:77:9: error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
    |         |- error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
    |         `- note: add 'if #available' version check
 78 |
 79 |             VStack {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:79:13: error: 'VStack' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
 79 |             VStack {
    |             |- error: 'VStack' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
 80 |
 81 |                 LazyVGrid(columns: Array(repeating: GridItem(.flexible()), count: numberOfDaysInAWeek), spacing: 0) {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:81:17: error: 'LazyVGrid' is only available in macOS 11.0 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
 79 |             VStack {
 80 |
 81 |                 LazyVGrid(columns: Array(repeating: GridItem(.flexible()), count: numberOfDaysInAWeek), spacing: 0) {
    |                 |- error: 'LazyVGrid' is only available in macOS 11.0 or newer
    |                 `- note: add 'if #available' version check
 82 |
 83 |                     ForEach(viewModel.days(for: monthOrWeek), id: \.self) { date in
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:81:53: error: 'GridItem' is only available in macOS 11.0 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
 79 |             VStack {
 80 |
 81 |                 LazyVGrid(columns: Array(repeating: GridItem(.flexible()), count: numberOfDaysInAWeek), spacing: 0) {
    |                                                     |- error: 'GridItem' is only available in macOS 11.0 or newer
    |                                                     `- note: add 'if #available' version check
 82 |
 83 |                     ForEach(viewModel.days(for: monthOrWeek), id: \.self) { date in
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:83:21: error: 'buildExpression' is unavailable: this expression does not conform to 'View'
 81 |                 LazyVGrid(columns: Array(repeating: GridItem(.flexible()), count: numberOfDaysInAWeek), spacing: 0) {
 82 |
 83 |                     ForEach(viewModel.days(for: monthOrWeek), id: \.self) { date in
    |                     `- error: 'buildExpression' is unavailable: this expression does not conform to 'View'
 84 |
 85 |                         let dateGridDate = DateGridDate(date: date, currentMonth: monthOrWeek)
SwiftUICore.ViewBuilder:5:24: note: 'buildExpression' has been explicitly marked unavailable here
 3 |     public static func buildExpression<Content>(_ content: Content) -> Content where Content : View
 4 |     @available(*, unavailable, message: "this expression does not conform to 'View'")
 5 |     public static func buildExpression(_ invalid: Any) -> some View
   |                        `- note: 'buildExpression' has been explicitly marked unavailable here
 6 |
 7 |     public static func buildBlock() -> EmptyView
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:83:21: error: 'ForEach' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
    :
 81 |                 LazyVGrid(columns: Array(repeating: GridItem(.flexible()), count: numberOfDaysInAWeek), spacing: 0) {
 82 |
 83 |                     ForEach(viewModel.days(for: monthOrWeek), id: \.self) { date in
    |                     |- error: 'ForEach' is only available in macOS 10.15 or newer
    |                     `- note: add 'if #available' version check
 84 |
 85 |                         let dateGridDate = DateGridDate(date: date, currentMonth: monthOrWeek)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:83:21: error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
    :
 81 |                 LazyVGrid(columns: Array(repeating: GridItem(.flexible()), count: numberOfDaysInAWeek), spacing: 0) {
 82 |
 83 |                     ForEach(viewModel.days(for: monthOrWeek), id: \.self) { date in
    |                     |- error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
    |                     `- note: add 'if #available' version check
 84 |
 85 |                         let dateGridDate = DateGridDate(date: date, currentMonth: monthOrWeek)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:88:34: error: 'id' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
    :
 86 |                         if viewModel.calendar.isDate(date, equalTo: monthOrWeek, toGranularity: .month) {
 87 |                             content(dateGridDate)
 88 |                                 .id(date)
    |                                  |- error: 'id' is only available in macOS 10.15 or newer
    |                                  `- note: add 'if #available' version check
 89 |
 90 |                         } else {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:86:105: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
    :
 84 |
 85 |                         let dateGridDate = DateGridDate(date: date, currentMonth: monthOrWeek)
 86 |                         if viewModel.calendar.isDate(date, equalTo: monthOrWeek, toGranularity: .month) {
    |                                                                                                         |- error: 'buildEither(first:)' is only available in macOS 10.15 or newer
    |                                                                                                         `- note: add 'if #available' version check
 87 |                             content(dateGridDate)
 88 |                                 .id(date)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:92:34: error: 'hidden()' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
    :
 90 |                         } else {
 91 |                             content(dateGridDate)
 92 |                                 .hidden()
    |                                  |- error: 'hidden()' is only available in macOS 10.15 or newer
    |                                  `- note: add 'if #available' version check
 93 |                         }
 94 |                     }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:90:32: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
    :
 88 |                                 .id(date)
 89 |
 90 |                         } else {
    |                                |- error: 'buildEither(second:)' is only available in macOS 10.15 or newer
    |                                `- note: add 'if #available' version check
 91 |                             content(dateGridDate)
 92 |                                 .hidden()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:83:75: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
    :
 81 |                 LazyVGrid(columns: Array(repeating: GridItem(.flexible()), count: numberOfDaysInAWeek), spacing: 0) {
 82 |
 83 |                     ForEach(viewModel.days(for: monthOrWeek), id: \.self) { date in
    |                                                                           |- warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
    |                                                                           `- note: add 'if #available' version check
 84 |
 85 |                         let dateGridDate = DateGridDate(date: date, currentMonth: monthOrWeek)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:96:18: error: 'tag(_:includeOptional:)' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
    :
 94 |                     }
 95 |                 }
 96 |                 .tag(monthOrWeek)
    |                  |- error: 'tag(_:includeOptional:)' is only available in macOS 10.15 or newer
    |                  `- note: add 'if #available' version check
 97 |                 //Tab view frame alignment to .Top didn't work dtz y
 98 |                 Spacer()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:98:17: warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
    :
 96 |                 .tag(monthOrWeek)
 97 |                 //Tab view frame alignment to .Top didn't work dtz y
 98 |                 Spacer()
    |                 |- warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
    |                 `- note: add 'if #available' version check
 99 |             }
100 |         }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:98:17: error: 'Spacer' is only available in macOS 10.15 or newer
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
    :
 96 |                 .tag(monthOrWeek)
 97 |                 //Tab view frame alignment to .Top didn't work dtz y
 98 |                 Spacer()
    |                 |- error: 'Spacer' is only available in macOS 10.15 or newer
    |                 `- note: add 'if #available' version check
 99 |             }
100 |         }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:79:20: warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
 79 |             VStack {
    |                    |- warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
    |                    `- note: add 'if #available' version check
 80 |
 81 |                 LazyVGrid(columns: Array(repeating: GridItem(.flexible()), count: numberOfDaysInAWeek), spacing: 0) {
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGrid.swift:76:25: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 70 | }
 71 |
 72 | struct MonthsOrWeeks<DateView>: View where DateView: View {
    |        `- note: add @available attribute to enclosing generic struct
 73 |     let viewModel: DateGridViewModel
 74 |     let content: (DateGridDate) -> DateView
 75 |
 76 |     var body: some View {
    |         |               |- warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
    |         |               `- note: add 'if #available' version check
    |         `- note: add @available attribute to enclosing property
 77 |         ForEach(viewModel.monthsOrWeeks, id: \.self) { monthOrWeek in
 78 |
[12/13] Compiling DateGrid DateGridViewModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGridViewModel.swift:17:20: error: 'calendar' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | class DateGridViewModel: ObservableObject {
   |       `- note: add @available attribute to enclosing class
11 |     //FIXME: change var names "mode"
12 |     init(interval: DateInterval, mode: CalendarMode) {
   :
15 |     }
16 |
17 |     @Environment(\.calendar) var calendar
   |                    `- error: 'calendar' is only available in macOS 10.15 or newer
18 |     let interval: DateInterval
19 |     var mode: CalendarMode
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGridViewModel.swift:17:6: error: 'Environment' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | class DateGridViewModel: ObservableObject {
   |       `- note: add @available attribute to enclosing class
11 |     //FIXME: change var names "mode"
12 |     init(interval: DateInterval, mode: CalendarMode) {
   :
15 |     }
16 |
17 |     @Environment(\.calendar) var calendar
   |      `- error: 'Environment' is only available in macOS 10.15 or newer
18 |     let interval: DateInterval
19 |     var mode: CalendarMode
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/DateGridViewModel.swift:10:26: error: 'ObservableObject' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | class DateGridViewModel: ObservableObject {
   |       |                  `- error: 'ObservableObject' is only available in macOS 10.15 or newer
   |       `- note: add @available attribute to enclosing class
11 |     //FIXME: change var names "mode"
12 |     init(interval: DateInterval, mode: CalendarMode) {
[13/13] Compiling DateGrid WeekDaySymbols.swift
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:14:27: error: 'View' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                |          `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:28:31: error: 'View' is only available in macOS 10.15 or newer
25 | }
26 |
27 | struct WeekDaySymbols_Previews: PreviewProvider {
   |        `- note: add @available attribute to enclosing struct
28 |     static var previews: some View {
   |                |              `- error: 'View' is only available in macOS 10.15 or newer
   |                `- note: add @available attribute to enclosing static property
29 |         WeekDaySymbols()
30 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:15:9: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
   |         |- warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |         `- note: add 'if #available' version check
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
17 |                 Spacer()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:15:9: error: 'HStack' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
   |         |- error: 'HStack' is only available in macOS 10.15 or newer
   |         `- note: add 'if #available' version check
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
17 |                 Spacer()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:15:9: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
   |         |- warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |         `- note: add 'if #available' version check
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
17 |                 Spacer()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:16:13: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
   |             |- warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |             `- note: add 'if #available' version check
17 |                 Spacer()
18 |                 Text(item)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:16:13: error: 'ForEach' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
   |             |- error: 'ForEach' is only available in macOS 10.15 or newer
   |             `- note: add 'if #available' version check
17 |                 Spacer()
18 |                 Text(item)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:16:13: error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
   |             |- error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
   |             `- note: add 'if #available' version check
17 |                 Spacer()
18 |                 Text(item)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:17:17: warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
17 |                 Spacer()
   |                 |- warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                 `- note: add 'if #available' version check
18 |                 Text(item)
19 |                     .bold()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:17:17: error: 'Spacer' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
17 |                 Spacer()
   |                 |- error: 'Spacer' is only available in macOS 10.15 or newer
   |                 `- note: add 'if #available' version check
18 |                 Text(item)
19 |                     .bold()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:18:17: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
17 |                 Spacer()
18 |                 Text(item)
   |                 |- warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                 `- note: add 'if #available' version check
19 |                     .bold()
20 |                 Spacer()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:18:17: error: 'Text' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
17 |                 Spacer()
18 |                 Text(item)
   |                 |- error: 'Text' is only available in macOS 10.15 or newer
   |                 `- note: add 'if #available' version check
19 |                     .bold()
20 |                 Spacer()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:19:22: error: 'bold()' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
17 |                 Spacer()
18 |                 Text(item)
19 |                     .bold()
   |                      |- error: 'bold()' is only available in macOS 10.15 or newer
   |                      `- note: add 'if #available' version check
20 |                 Spacer()
21 |
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:20:17: warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
   :
18 |                 Text(item)
19 |                     .bold()
20 |                 Spacer()
   |                 |- warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                 `- note: add 'if #available' version check
21 |
22 |             }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:20:17: error: 'Spacer' is only available in macOS 10.15 or newer
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
   :
18 |                 Text(item)
19 |                     .bold()
20 |                 Spacer()
   |                 |- error: 'Spacer' is only available in macOS 10.15 or newer
   |                 `- note: add 'if #available' version check
21 |
22 |             }
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:16:75: warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
   |                                                                           |- warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                                                                           `- note: add 'if #available' version check
17 |                 Spacer()
18 |                 Text(item)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:16:75: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
   |                                                                           |- warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                                                                           `- note: add 'if #available' version check
17 |                 Spacer()
18 |                 Text(item)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:16:75: warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
   |                                                                           |- warning: conformance of 'Spacer' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                                                                           `- note: add 'if #available' version check
17 |                 Spacer()
18 |                 Text(item)
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:15:16: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
   |                |- warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                `- note: add 'if #available' version check
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
17 |                 Spacer()
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:14:32: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                |               |- warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                |               `- note: add 'if #available' version check
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
/Users/admin/builder/spi-builder-workspace/Sources/DateGrid/WeekDaySymbols/WeekDaySymbols.swift:14:32: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 8 | import SwiftUI
 9 |
10 | public struct WeekDaySymbols: View {
   |               `- note: add @available attribute to enclosing struct
11 |
12 |     public init() {}
13 |
14 |     public var body: some View {
   |                |               |- warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                |               `- note: add 'if #available' version check
   |                `- note: add @available attribute to enclosing property
15 |         HStack {
16 |             ForEach(Calendar.current.veryShortWeekdaySymbols, id: \.self) { item in
BUILD FAILURE 6.0 macosSpm