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Use FoundationEssentials if it's available #674

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4710201
Use FoundationEssentials if it's available
0xTim Oct 24, 2024
7bbd82e
Fix Foundation imports
0xTim Oct 24, 2024
cc24c58
Fix test warning
0xTim Oct 24, 2024
af61872
Merge branch 'main' into foundation-essentials
0xTim Jan 22, 2025
87a00bb
Correct Swift check
0xTim Jan 23, 2025
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4 changes: 4 additions & 0 deletions Examples/count-lines/CountLines.swift
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Expand Up @@ -10,7 +10,11 @@
//===----------------------------------------------------------------------===//

import ArgumentParser
#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif

@main
@available(macOS 12, *)
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5 changes: 4 additions & 1 deletion Plugins/GenerateManual/GenerateManualPluginError.swift
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Expand Up @@ -8,8 +8,11 @@
// See https://swift.org/LICENSE.txt for license information
//
//===----------------------------------------------------------------------===//

#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif
import PackagePlugin

enum GenerateManualPluginError: Error {
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4 changes: 4 additions & 0 deletions Plugins/GenerateManual/PackagePlugin+Helpers.swift
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Expand Up @@ -9,7 +9,11 @@
//
//===----------------------------------------------------------------------===//

#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif
import PackagePlugin

extension ArgumentExtractor {
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4 changes: 4 additions & 0 deletions Sources/ArgumentParser/Documentation.docc/Articles/GettingStarted.md
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Expand Up @@ -228,7 +228,11 @@ As promised, here's the complete `count` command, for your experimentation:

```swift
import ArgumentParser
#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif

@main
struct Count: ParsableCommand {
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4 changes: 4 additions & 0 deletions Sources/ArgumentParser/Documentation.docc/Extensions/AsyncParsableCommand.md
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Expand Up @@ -9,7 +9,11 @@ To use `async`/`await` code in your commands' `run()` method implementations, fo
The following example declares a `CountLines` command that uses Foundation's asynchronous `FileHandle.AsyncBytes` to read the lines from a file:

```swift
#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif

@main
struct CountLines: AsyncParsableCommand {
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7 changes: 6 additions & 1 deletion Sources/ArgumentParser/Usage/DumpHelpGenerator.swift
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Expand Up @@ -9,9 +9,14 @@
//
//===----------------------------------------------------------------------===//

#if swift(>=5.11)
#if swift(>=6.0)
#if canImport(FoundationEssentials)
internal import ArgumentParserToolInfo
internal import class FoundationEssentials.JSONEncoder
#else
internal import ArgumentParserToolInfo
internal import class Foundation.JSONEncoder
#endif
#elseif swift(>=5.10)
import ArgumentParserToolInfo
import class Foundation.JSONEncoder
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7 changes: 6 additions & 1 deletion Sources/ArgumentParser/Usage/MessageInfo.swift
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Expand Up @@ -9,9 +9,14 @@
//
//===----------------------------------------------------------------------===//

#if swift(>=5.11)
#if swift(>=6.0)
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See previous comment that Swift 6 language mode needs to be enabled for these guards to work (which it is not in Package.swift).

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Should be addressed by using #if compiler instead, as in provided suggestions.

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Good catch, thanks @MaxDesiatov!

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Suggested change
#if swift(>=6.0)
#if compiler(>=6.0)

#if canImport(FoundationEssentials)
internal import protocol FoundationEssentials.LocalizedError
internal import class FoundationEssentials.NSError
#else
internal import protocol Foundation.LocalizedError
internal import class Foundation.NSError
#endif
#elseif swift(>=5.10)
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Suggested change
#elseif swift(>=5.10)
#elseif compiler(>=5.10)

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Ok this actually exposes an issue - NSError isn't part of Foundation Essentials. Are folks happy to remove that check?

import protocol Foundation.LocalizedError
import class Foundation.NSError
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6 changes: 5 additions & 1 deletion Sources/ArgumentParser/Usage/UsageGenerator.swift
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Expand Up @@ -9,8 +9,12 @@
//
//===----------------------------------------------------------------------===//

#if swift(>=5.11)
#if swift(>=6.0)
#if canImport(FoundationEssentials)
internal import protocol FoundationEssentials.LocalizedError
#else
internal import protocol Foundation.LocalizedError
#endif
#elseif swift(>=5.10)
import protocol Foundation.LocalizedError
#else
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2 changes: 1 addition & 1 deletion Tests/ArgumentParserUnitTests/HelpGenerationTests.swift
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Expand Up @@ -16,7 +16,7 @@ import ArgumentParserTestHelpers
final class HelpGenerationTests: XCTestCase {
}

extension Foundation.URL: ArgumentParser.ExpressibleByArgument {
extension URL: ArgumentParser.ExpressibleByArgument {
public init?(argument: String) {
guard let url = URL(string: argument) else {
return nil
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4 changes: 4 additions & 0 deletions Tools/changelog-authors/ChangelogAuthors.swift
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Expand Up @@ -12,7 +12,11 @@
#if os(macOS)

import ArgumentParser
#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif

// MARK: Command

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4 changes: 4 additions & 0 deletions Tools/generate-manual/DSL/Document.swift
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Expand Up @@ -11,7 +11,11 @@

import ArgumentParser
import ArgumentParserToolInfo
#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif

struct Document: MDocComponent {
var multiPage: Bool
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4 changes: 4 additions & 0 deletions Tools/generate-manual/DSL/DocumentDate.swift
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Expand Up @@ -11,7 +11,11 @@

import ArgumentParser
import ArgumentParserToolInfo
#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif

struct DocumentDate: MDocComponent {
private var month: String
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4 changes: 4 additions & 0 deletions Tools/generate-manual/DSL/Preamble.swift
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import ArgumentParser
import ArgumentParserToolInfo
#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif

struct Preamble: MDocComponent {
var date: Date
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6 changes: 5 additions & 1 deletion Tools/generate-manual/Extensions/Date+ExpressibleByArgument.swift
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Expand Up @@ -10,9 +10,13 @@
//===----------------------------------------------------------------------===//

import ArgumentParser
#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif

extension Foundation.Date: ArgumentParser.ExpressibleByArgument {
extension Date: ArgumentParser.ExpressibleByArgument {
// parsed as `yyyy-mm-dd`
public init?(argument: String) {
// ensure the input argument is composed of exactly 3 components separated
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4 changes: 4 additions & 0 deletions Tools/generate-manual/Extensions/Process+SimpleAPI.swift
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//
//===----------------------------------------------------------------------===//

#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif

enum SubprocessError: Swift.Error, LocalizedError, CustomStringConvertible {
case missingExecutable(url: URL)
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4 changes: 4 additions & 0 deletions Tools/generate-manual/GenerateManual.swift
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Expand Up @@ -11,7 +11,11 @@

import ArgumentParser
import ArgumentParserToolInfo
#if canImport(FoundationEssentials)
import FoundationEssentials
#else
import Foundation
#endif

enum GenerateManualError: Error {
case failedToRunSubprocess(error: Error)
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