69 lines
1.1 KiB
Markdown
69 lines
1.1 KiB
Markdown
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---
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layout: default
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title: Recipies
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categories: swift
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---
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```swift
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extension UIFont {
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var bold: UIFont {
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guard let newDescriptor = fontDescriptor.withSymbolicTraits(.traitBold) else {
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return self
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}
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return UIFont(descriptor: newDescriptor, size: pointSize)
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}
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}
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```
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```swift
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public struct FontStyle: ViewModifier {
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let isBold: Bool
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private let font: Font
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public init(isBold: Bool = false) {
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self.isBold = isBold
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self.font = self.font.bold
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}
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public func body(content: Self.Content) -> some View {
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content.font(font)
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}
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}
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extension View {
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public func fontStyle(isBold: Bool = false) -> some View {
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modifier(FontStyle(isBold: isBold))
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}
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}
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```
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## Testing
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```swift
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class ExampleXCTestCase: XCTestCase {
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let app = XCUIApplication()
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override func tearDown() {
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app.terminate()
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}
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override func tearDownWithError() throws {
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app.terminate()
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}
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}
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```
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In tests (it has to be called before `app.launch()`)
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```swift
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launchEnvironment["key"] = "value"
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```
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in the app:
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```swift
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ProcessInfo.processInfo.environment["key"]
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```
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