1 files changed, 28 insertions, 0 deletions
diff --git a/Sources/NorgKit/Models/InlineStyle.swift b/Sources/NorgKit/Models/InlineStyle.swift
new file mode 100644
index 0000000..807de7b
--- /dev/null
+++ b/Sources/NorgKit/Models/InlineStyle.swift
@@ -0,0 +1,28 @@
+/// Composable inline styles that may be applied to a single run of text.
+public struct InlineStyle: OptionSet, Hashable, Sendable, Codable {
+  public let rawValue: Int
+
+  public init(rawValue: Int) {
+    self.rawValue = rawValue
+  }
+
+  public static let bold = InlineStyle(rawValue: 1 << 0)
+  public static let italic = InlineStyle(rawValue: 1 << 1)
+  public static let underline = InlineStyle(rawValue: 1 << 2)
+  public static let strikethrough = InlineStyle(rawValue: 1 << 3)
+  public static let verbatim = InlineStyle(rawValue: 1 << 4)
+  public static let superscript = InlineStyle(rawValue: 1 << 5)
+  public static let `subscript` = InlineStyle(rawValue: 1 << 6)
+  public static let spoiler = InlineStyle(rawValue: 1 << 7)
+  public static let math = InlineStyle(rawValue: 1 << 8)
+
+  public init(from decoder: Decoder) throws {
+    let container = try decoder.singleValueContainer()
+    self.init(rawValue: try container.decode(Int.self))
+  }
+
+  public func encode(to encoder: Encoder) throws {
+    var container = encoder.singleValueContainer()
+    try container.encode(rawValue)
+  }
+}