Move compound-ios package into the project.

compound-ios/Sources/Compound/Fonts/CompoundFonts.swift

@@ -0,0 +1,52 @@
+//
+// Copyright 2023, 2024 New Vector Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+// Please see LICENSE files in the repository root for full details.
+//
+
+import SwiftUI
+
+public extension Font {
+    /// The fonts used by Element as defined in Compound Design Tokens.
+    static let compound = CompoundFonts()
+}
+
+/// A manual mapping of the Compound font styles to iOS styles. This will be
+/// generated directly from the style dictionary in the future.
+public struct CompoundFonts {
+    public let bodyXS = Font.caption
+    public let bodyXSSemibold = Font.caption.weight(.semibold)
+    public let bodySM = Font.footnote
+    public let bodySMSemibold = Font.footnote.weight(.semibold)
+    public let bodyMD = Font.subheadline
+    public let bodyMDSemibold = Font.subheadline.weight(.semibold)
+    public let bodyLG = Font.body
+    public let bodyLGSemibold = Font.body.weight(.semibold)
+    public let headingSM = Font.title3
+    public let headingSMSemibold = Font.title3.weight(.semibold)
+    public let headingMD = Font.title2
+    public let headingMDBold = Font.title2.bold()
+    public let headingLG = Font.title
+    public let headingLGBold = Font.title.bold()
+    public let headingXL = Font.largeTitle
+    public let headingXLBold = Font.largeTitle.bold()
+}
+
+public extension Font.TextStyle {
+    /// The text styles used by Element as defined in Compound Design Tokens.
+    static let compound = CompoundTextStyles()
+}
+
+/// A manual mapping of the Compound font styles to iOS text styles. This is useful
+/// for `@ScaledMetric` along with modifiers such as `scaledPadding` etc.
+public struct CompoundTextStyles {
+    public let bodyXS = Font.TextStyle.caption
+    public let bodySM = Font.TextStyle.footnote
+    public let bodyMD = Font.TextStyle.subheadline
+    public let bodyLG = Font.TextStyle.body
+    public let headingSM = Font.TextStyle.title3
+    public let headingMD = Font.TextStyle.title2
+    public let headingLG = Font.TextStyle.title
+    public let headingXL = Font.TextStyle.largeTitle
+}