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| 1 | +// |
| 2 | +// SwiftPackageFileAnalyzer+Targets.swift |
| 3 | +// public-api-diff |
| 4 | +// |
| 5 | +// Created by Alexander Guretzki on 10/02/2025. |
| 6 | +// |
| 7 | + |
| 8 | +import Foundation |
| 9 | + |
| 10 | +import PADCore |
| 11 | +import PADLogging |
| 12 | + |
| 13 | +import FileHandlingModule |
| 14 | +import ShellModule |
| 15 | +import SwiftPackageFileHelperModule |
| 16 | + |
| 17 | +extension SwiftPackageFileAnalyzer { |
| 18 | + |
| 19 | + internal func analyzeTargets( |
| 20 | + old: [SwiftPackageDescription.Target], |
| 21 | + new: [SwiftPackageDescription.Target], |
| 22 | + oldProjectBasePath: String, |
| 23 | + newProjectBasePath: String |
| 24 | + ) throws -> [Change] { |
| 25 | + guard old != new else { return [] } |
| 26 | + |
| 27 | + let oldTargetNames = Set(old.map(\.name)) |
| 28 | + let newTargetNames = Set(new.map(\.name)) |
| 29 | + |
| 30 | + let added = newTargetNames.subtracting(oldTargetNames) |
| 31 | + let removed = oldTargetNames.subtracting(newTargetNames) |
| 32 | + let consistent = Set(oldTargetNames).intersection(Set(newTargetNames)) |
| 33 | + |
| 34 | + var changes = [Change]() |
| 35 | + |
| 36 | + changes += added.compactMap { addition in |
| 37 | + guard let addedTarget = new.first(where: { $0.name == addition }) else { return nil } |
| 38 | + return .init( |
| 39 | + changeType: .addition(description: addedTarget.description), |
| 40 | + parentPath: Constants.packageFileName(child: "targets") |
| 41 | + ) |
| 42 | + } |
| 43 | + |
| 44 | + try consistent.forEach { productName in |
| 45 | + guard |
| 46 | + let oldTarget = old.first(where: { $0.name == productName }), |
| 47 | + let newTarget = new.first(where: { $0.name == productName }) |
| 48 | + else { return } |
| 49 | + |
| 50 | + changes += try analyzeTarget( |
| 51 | + oldTarget: oldTarget, |
| 52 | + newTarget: newTarget, |
| 53 | + oldProjectBasePath: oldProjectBasePath, |
| 54 | + newProjectBasePath: newProjectBasePath |
| 55 | + ) |
| 56 | + } |
| 57 | + |
| 58 | + changes += removed.compactMap { removal in |
| 59 | + guard let removedTarget = old.first(where: { $0.name == removal }) else { return nil } |
| 60 | + return .init( |
| 61 | + changeType: .removal(description: removedTarget.description), |
| 62 | + parentPath: Constants.packageFileName(child: "targets") |
| 63 | + ) |
| 64 | + } |
| 65 | + |
| 66 | + return changes |
| 67 | + } |
| 68 | + |
| 69 | + private func analyzeTarget( |
| 70 | + oldTarget: SwiftPackageDescription.Target, |
| 71 | + newTarget: SwiftPackageDescription.Target, |
| 72 | + oldProjectBasePath: String, |
| 73 | + newProjectBasePath: String |
| 74 | + ) throws -> [Change] { |
| 75 | + guard oldTarget != newTarget else { return [] } |
| 76 | + |
| 77 | + var listOfChanges = analyzeDependencies( |
| 78 | + oldTarget: oldTarget, |
| 79 | + newTarget: newTarget |
| 80 | + ) |
| 81 | + |
| 82 | + listOfChanges += try analyzeTargetResources( |
| 83 | + oldResources: oldTarget.resources ?? [], |
| 84 | + newResources: newTarget.resources ?? [], |
| 85 | + oldProjectBasePath: oldProjectBasePath, |
| 86 | + newProjectBasePath: newProjectBasePath |
| 87 | + ) |
| 88 | + |
| 89 | + if oldTarget.path != newTarget.path { |
| 90 | + listOfChanges += ["Changed path from \"\(oldTarget.path)\" to \"\(newTarget.path)\""] |
| 91 | + } |
| 92 | + |
| 93 | + if oldTarget.type != newTarget.type { |
| 94 | + listOfChanges += ["Changed type from `.\(oldTarget.type.description)` to `.\(newTarget.type.description)`"] |
| 95 | + } |
| 96 | + |
| 97 | + guard oldTarget.description != newTarget.description || !listOfChanges.isEmpty else { return [] } |
| 98 | + |
| 99 | + return [.init( |
| 100 | + changeType: .modification( |
| 101 | + oldDescription: oldTarget.description, |
| 102 | + newDescription: newTarget.description |
| 103 | + ), |
| 104 | + parentPath: Constants.packageFileName(child: "targets"), |
| 105 | + listOfChanges: listOfChanges |
| 106 | + )] |
| 107 | + |
| 108 | + } |
| 109 | +} |
| 110 | + |
| 111 | +// MARK: - SwiftPackageDescription.Target.Resource |
| 112 | + |
| 113 | +private extension SwiftPackageFileAnalyzer { |
| 114 | + |
| 115 | + func analyzeDependencies( |
| 116 | + oldTarget: SwiftPackageDescription.Target, |
| 117 | + newTarget: SwiftPackageDescription.Target |
| 118 | + ) -> [String] { |
| 119 | + |
| 120 | + let oldTargetDependencies = Set(oldTarget.targetDependencies ?? []) |
| 121 | + let newTargetDependencies = Set(newTarget.targetDependencies ?? []) |
| 122 | + |
| 123 | + let addedTargetDependencies = newTargetDependencies.subtracting(oldTargetDependencies) |
| 124 | + let removedTargetDependencies = oldTargetDependencies.subtracting(newTargetDependencies) |
| 125 | + |
| 126 | + let oldProductDependencies = Set(oldTarget.productDependencies ?? []) |
| 127 | + let newProductDependencies = Set(newTarget.productDependencies ?? []) |
| 128 | + |
| 129 | + let addedProductDependencies = newProductDependencies.subtracting(oldProductDependencies) |
| 130 | + let removedProductDependencies = oldProductDependencies.subtracting(newProductDependencies) |
| 131 | + |
| 132 | + var listOfChanges = [String]() |
| 133 | + listOfChanges += addedTargetDependencies.map { "Added dependency .target(name: \"\($0)\")" } |
| 134 | + listOfChanges += addedProductDependencies.map { "Added dependency .product(name: \"\($0)\", ...)" } |
| 135 | + listOfChanges += removedTargetDependencies.map { "Removed dependency .target(name: \"\($0)\")" } |
| 136 | + listOfChanges += removedProductDependencies.map { "Removed dependency .product(name: \"\($0)\", ...)" } |
| 137 | + return listOfChanges |
| 138 | + } |
| 139 | + |
| 140 | + func analyzeTargetResources( |
| 141 | + oldResources old: [SwiftPackageDescription.Target.Resource], |
| 142 | + newResources new: [SwiftPackageDescription.Target.Resource], |
| 143 | + oldProjectBasePath: String, |
| 144 | + newProjectBasePath: String |
| 145 | + ) throws -> [String] { |
| 146 | + |
| 147 | + let oldResources = old.map { resource in |
| 148 | + var updated = resource |
| 149 | + updated.path = updated.path.trimmingPrefix(oldProjectBasePath) |
| 150 | + return updated |
| 151 | + } |
| 152 | + |
| 153 | + let newResources = new.map { resource in |
| 154 | + var updated = resource |
| 155 | + updated.path = updated.path.trimmingPrefix(newProjectBasePath) |
| 156 | + return updated |
| 157 | + } |
| 158 | + |
| 159 | + let oldResourcePaths = Set(oldResources.map(\.path)) |
| 160 | + let newResourcePaths = Set(newResources.map(\.path)) |
| 161 | + |
| 162 | + let addedResourcePaths = newResourcePaths.subtracting(oldResourcePaths) |
| 163 | + let consistentResourcePaths = oldResourcePaths.intersection(newResourcePaths) |
| 164 | + let removedResourcePaths = oldResourcePaths.subtracting(newResourcePaths) |
| 165 | + |
| 166 | + var listOfChanges = [String]() |
| 167 | + |
| 168 | + listOfChanges += addedResourcePaths.compactMap { path in |
| 169 | + guard let resource = newResources.first(where: { $0.path.trimmingPrefix(newProjectBasePath) == path }) else { return nil } |
| 170 | + return "Added resource \(resource.description)" |
| 171 | + } |
| 172 | + |
| 173 | + listOfChanges += consistentResourcePaths.compactMap { path in |
| 174 | + guard |
| 175 | + let newResource = newResources.first(where: { $0.path == path }), |
| 176 | + let oldResource = oldResources.first(where: { $0.path == path }), |
| 177 | + newResource.description != oldResource.description |
| 178 | + else { return nil } |
| 179 | + |
| 180 | + return "Changed resource from `\(oldResource.description)` to `\(newResource.description)`" |
| 181 | + } |
| 182 | + |
| 183 | + listOfChanges += removedResourcePaths.compactMap { path in |
| 184 | + guard let resource = oldResources.first(where: { $0.path == path }) else { return nil } |
| 185 | + return "Removed resource \(resource.description)" |
| 186 | + } |
| 187 | + |
| 188 | + return listOfChanges |
| 189 | + } |
| 190 | +} |
| 191 | + |
| 192 | +// MARK: - Convenience Extension |
| 193 | + |
| 194 | +private extension String { |
| 195 | + func trimmingPrefix(_ prefix: String) -> String { |
| 196 | + var trimmed = self |
| 197 | + trimmed.trimPrefix(prefix) |
| 198 | + return trimmed |
| 199 | + } |
| 200 | +} |
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