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/*
This source file is part of the Swift.org open source project
Copyright (c) 2021-2024 Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See https://swift.org/LICENSE.txt for license information
See https://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
import Foundation
extension StringProtocol {
/// A copy of the string prefixed with a slash ("/") if the string doesn't already start with a leading slash.
var prependingLeadingSlash: String {
guard !hasPrefix("/") else { return String(self) }
return "/".appending(self)
}
/// A copy of the string appended with a slash ("/") if the string doesn't already end with a trailing slash.
package var appendingTrailingSlash: String {
guard !hasSuffix("/") else { return String(self) }
return self.appending("/")
}
/// A copy of the string without a leading slash ("/") or the original string if it doesn't start with a leading slash.
package var removingLeadingSlash: String {
guard hasPrefix("/") else { return String(self) }
return String(dropFirst())
}
/// A copy of the string without a trailing slash ("/") or the original string if it doesn't end with a trailing slash.
var removingTrailingSlash: String {
guard hasSuffix("/") else { return String(self) }
return String(dropLast())
}
}
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