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‎.gitignore

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.DS_Store
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/.build
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/Packages
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/*.xcodeproj
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xcuserdata/
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DerivedData/
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.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

‎.swiftpm/xcode/package.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>IDEDidComputeMac32BitWarning</key>
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<true/>
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</dict>
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</plist>

‎Package.swift

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// swift-tools-version:5.5
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import PackageDescription
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let package = Package(
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name: "ViewModifierBuilder",
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platforms: [
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.iOS(.v13),
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.macOS(.v10_15),
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.tvOS(.v13),
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.watchOS(.v6)
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],
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products: [
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.library(
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name: "ViewModifierBuilder",
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targets: ["ViewModifierBuilder"]),
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],
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targets: [
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.target(
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name: "ViewModifierBuilder",
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dependencies: [],
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path: "Sources")
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]
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)

‎README.md

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# ViewModifierBuilder
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[![Swift Package Manager](https://img.shields.io/badge/Swift_Package_Manager-compatible-orange?style=flat-square)](https://img.shields.io/badge/Swift_Package_Manager-compatible-orange?style=flat-square)
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A [result builder](https://github.com/apple/swift-evolution/blob/main/proposals/0289-result-builders.md) for [ViewModifiers](https://developer.apple.com/documentation/swiftui/viewmodifier/).

‎Sources/Documentation.docc/Documentation.md

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# ``ViewModifierBuilder``
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A custom parameter attribute that concatenates many [`ViewModifers`](https://developer.apple.com/documentation/swiftui/viewmodifier).
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## Topics
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### Applying Modifications
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- ``ViewModifierBuilder/ApplyViewModifiers``
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### Building Modifications
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- ``ViewModifierBuilder/ViewModifierBuilder/buildBlock()``
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- ``ViewModifierBuilder/ViewModifierBuilder/buildBlock(_:)``
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- ``ViewModifierBuilder/ViewModifierBuilder/buildBlock(_:_:)``
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- ``ViewModifierBuilder/ViewModifierBuilder/buildBlock(_:_:_:)``
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- ``ViewModifierBuilder/ViewModifierBuilder/buildBlock(_:_:_:_:)``
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- ``ViewModifierBuilder/ViewModifierBuilder/buildBlock(_:_:_:_:_:)``
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- ``ViewModifierBuilder/ViewModifierBuilder/buildBlock(_:_:_:_:_:_:)``
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- ``ViewModifierBuilder/ViewModifierBuilder/buildBlock(_:_:_:_:_:_:_:)``
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- ``ViewModifierBuilder/ViewModifierBuilder/buildBlock(_:_:_:_:_:_:_:_:)``
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- ``ViewModifierBuilder/ViewModifierBuilder/buildBlock(_:_:_:_:_:_:_:_:_:)``
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- ``ViewModifierBuilder/ViewModifierBuilder/buildBlock(_:_:_:_:_:_:_:_:_:_:)``
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### Supporting Types
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- ``ViewModifierBuilder/ViewModifierBuilder``

‎Sources/View+Modifiers.swift

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import SwiftUI
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extension View {
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/// Applies a set of modifiers to a view and returns a new view.
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///
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/// - Parameters
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/// - modifiers: closure returning a modifier
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public func modifiers<Modifiers>(@ViewModifierBuilder _ modifiers: () -> Modifiers) -> some View
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where Modifiers: ViewModifier {
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modifier(ApplyViewModifiers(modifiers))
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}
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}
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‎Sources/ViewModifierBuilder.swift

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import SwiftUI
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/// A custom parameter attribute that concats many ViewModifers.
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@resultBuilder public enum ViewModifierBuilder {
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/// Builds an empty ViewModifer from a block containing no statements.
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@inlinable public static func buildBlock() -> EmptyModifier {
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EmptyModifier()
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}
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/// Passes a single view written as a child view through unmodified.
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@inlinable public static func buildBlock<Modifier>(_ modifier: Modifier) -> Modifier
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where Modifier: ViewModifier {
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modifier
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}
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@inlinable public static func buildBlock<M0, M1>(_ m0: M0, _ m1: M1) -> some ViewModifier
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where M0: ViewModifier, M1: ViewModifier {
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m0.concat(m1)
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}
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@inlinable public static func buildBlock<M0, M1, M2>(_ m0: M0, _ m1: M1, _ m2: M2)
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-> some ViewModifier where M0: ViewModifier, M1: ViewModifier, M2: ViewModifier
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{
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m0.concat(m1).concat(m2)
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}
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@inlinable public static func buildBlock<M0, M1, M2, M3>(_ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3)
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-> some ViewModifier
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where M0: ViewModifier, M1: ViewModifier, M2: ViewModifier, M3: ViewModifier {
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m0.concat(m1).concat(m2).concat(m3)
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}
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@inlinable public static func buildBlock<M0, M1, M2, M3, M4>(
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_ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4
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) -> some ViewModifier
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where M0: ViewModifier, M1: ViewModifier, M2: ViewModifier, M3: ViewModifier, M4: ViewModifier {
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m0.concat(m1).concat(m2).concat(m3).concat(m4)
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}
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@inlinable public static func buildBlock<M0, M1, M2, M3, M4, M5>(
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_ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4, _ m5: M5
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) -> some ViewModifier
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where
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M0: ViewModifier, M1: ViewModifier, M2: ViewModifier, M3: ViewModifier, M4: ViewModifier,
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M5: ViewModifier
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{
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m0.concat(m1).concat(m2).concat(m3).concat(m4).concat(m5)
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}
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@inlinable public static func buildBlock<M0, M1, M2, M3, M4, M5, M6>(
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_ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4, _ m5: M5, _ m6: M6
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) -> some ViewModifier
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where
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M0: ViewModifier, M1: ViewModifier, M2: ViewModifier, M3: ViewModifier, M4: ViewModifier,
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M5: ViewModifier, M6: ViewModifier
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{
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m0.concat(m1).concat(m2).concat(m3).concat(m4).concat(m5).concat(m6)
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}
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@inlinable public static func buildBlock<M0, M1, M2, M3, M4, M5, M6, M7>(
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_ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4, _ m5: M5, _ m6: M6, _ m7: M7
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) -> some ViewModifier
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where
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M0: ViewModifier, M1: ViewModifier, M2: ViewModifier, M3: ViewModifier, M4: ViewModifier,
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M5: ViewModifier, M6: ViewModifier, M7: ViewModifier
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{
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m0.concat(m1).concat(m2).concat(m3).concat(m4).concat(m5).concat(m6).concat(m7)
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}
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@inlinable public static func buildBlock<M0, M1, M2, M3, M4, M5, M6, M7, M8>(
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_ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4, _ m5: M5, _ m6: M6, _ m7: M7, _ m8: M8
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) -> some ViewModifier
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where
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M0: ViewModifier, M1: ViewModifier, M2: ViewModifier, M3: ViewModifier, M4: ViewModifier,
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M5: ViewModifier, M6: ViewModifier, M7: ViewModifier, M8: ViewModifier
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{
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m0.concat(m1).concat(m2).concat(m3).concat(m4).concat(m5).concat(m6).concat(m7).concat(m8)
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}
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@inlinable public static func buildBlock<M0, M1, M2, M3, M4, M5, M6, M7, M8, M9>(
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_ m0: M0, _ m1: M1, _ m2: M2, _ m3: M3, _ m4: M4, _ m5: M5, _ m6: M6, _ m7: M7, _ m8: M8,
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_ m9: M9
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) -> some ViewModifier
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where
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M0: ViewModifier, M1: ViewModifier, M2: ViewModifier, M3: ViewModifier, M4: ViewModifier,
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M5: ViewModifier, M6: ViewModifier, M7: ViewModifier, M8: ViewModifier, M9: ViewModifier
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{
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m0.concat(m1).concat(m2).concat(m3).concat(m4).concat(m5).concat(m6).concat(m7).concat(m8)
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.concat(m9)
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}
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}

‎Sources/ViewModifiersViewModifier.swift

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import SwiftUI
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/// Applies set of modifiers to a view and returns a new view.
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public struct ApplyViewModifiers<Modifiers>: ViewModifier where Modifiers: ViewModifier {
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private let modifiers: Modifiers
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/// Structure to apply a set of modifiers to a view.
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///
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/// - Parameters
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/// - modifiers: closure returning a modifier
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public init(@ViewModifierBuilder _ modifiers: () -> Modifiers) {
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self.modifiers = modifiers()
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}
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public func body(content: Content) -> some View {
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content.modifier(modifiers)
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}
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}

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