41 lines
1.2 KiB
Swift
41 lines
1.2 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import UIKit
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extension String {
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private static let HTTPSPrefix = "https://"
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func url() throws -> URL {
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let url: URL?
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if hasPrefix(Self.HTTPSPrefix) {
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url = URL(string: self)
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} else {
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url = URL(string: Self.HTTPSPrefix + self)
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}
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guard let validURL = url else { throw URLError(.badURL) }
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return validURL
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}
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func countEmphasizedAttributedString(count: Int, highlighted: Bool = false) -> NSAttributedString {
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let countRange = (self as NSString).range(of: String.localizedStringWithFormat("%ld", count))
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let attributed = NSMutableAttributedString(
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string: self,
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attributes: [
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.font: UIFont.preferredFont(forTextStyle: .body),
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.foregroundColor: highlighted ? UIColor.tertiaryLabel : UIColor.secondaryLabel
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])
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attributed.addAttributes(
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[
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.font: UIFont.preferredFont(forTextStyle: .headline),
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.foregroundColor: highlighted ? UIColor.secondaryLabel : UIColor.label
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],
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range: countRange)
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return attributed
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}
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}
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