fun inferSourceRoot()

in jetbrains-ultimate/src/software/aws/toolkits/jetbrains/services/lambda/go/GoHelper.kt [36:53]

• 16 lines of code
• 6 McCabe index (conditional complexity)

fun inferSourceRoot(project: Project, virtualFile: VirtualFile): VirtualFile? {
    val projectFileIndex = ProjectFileIndex.getInstance(project)
    return projectFileIndex.getContentRootForFile(virtualFile)?.let { root ->
        var file = virtualFile.parent
        while (file != null) {
            if ((file.isDirectory && file.children.any { !it.isDirectory && it.name == "go.mod" })) {
                return file
            }
            // If we go up to the root and it's still not found, stop going up and mark source root as
            // not found, since it will fail to build
            if (file == root) {
                return null
            }
            file = file.parent
        }
        return null
    }
}