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|
import SwiftSyntax
import SwiftSyntaxBuilder
extension String {
func withFirstLetterUppercased() -> String {
if let firstLetter = self.first {
return firstLetter.uppercased() + self.dropFirst()
} else {
return self
}
}
}
/// This example will print the following code:
///
/// ```
/// struct Person {
/// var lastName: String
/// func withLastName(_ lastName: String) -> Person {
/// var result = self
/// result.lastName = lastName
/// return result
/// }
/// var firstName: String
/// func withFirstName(_ firstName: String) -> Person {
/// var result = self
/// result.firstName = firstName
/// return result
/// }
/// var age: Int
/// func withAge(_ age: Int) -> Person {
/// var result = self
/// result.age = age
/// return result
/// }
/// }
/// ```
///
@main
struct Main {
static func main() {
let properties = [
"firstName": "String",
"lastName": "String",
"age": "Int",
]
let source = SourceFileSyntax {
StructDeclSyntax(name: "Person") {
for (propertyName, propertyType) in properties {
DeclSyntax("var \(raw: propertyName): \(raw: propertyType)")
DeclSyntax(
"""
func with\(raw: propertyName.withFirstLetterUppercased())(_ \(raw: propertyName): \(raw: propertyType)) -> Person {
var result = self
result.\(raw: propertyName) = \(raw: propertyName)
return result
}
"""
)
}
}
}
print(source.formatted().description)
}
}
|
