func getNodeInternal()

in Sources/TSCBasic/FileSystem.swift [630:658]

• 21 lines of code
• 7 McCabe index (conditional complexity)

        func getNodeInternal(_ path: AbsolutePath) throws -> Node? {
            // If this is the root node, return it.
            if path.isRoot {
                return root
            }

            // Otherwise, get the parent node.
            guard let parent = try getNodeInternal(path.parentDirectory) else {
                return nil
            }

            // If we didn't find a directory, this is an error.
            guard case .directory(let contents) = parent.contents else {
                throw FileSystemError(.notDirectory, path.parentDirectory)
            }

            // Return the directory entry.
            let node = contents.entries[path.basename]

            switch node?.contents {
            case .directory, .file:
                return node
            case .symlink(let destination):
                let destination = AbsolutePath(destination, relativeTo: path.parentDirectory)
                return followSymlink ? try getNodeInternal(destination) : node
            case .none:
                return nil
            }
        }