Function createDirectoriesForFile

src/utils/fs.ts:11–32

(filePath: string)

 * @returns A promise that resolves to an array of newly created directories.
 */
export async function createDirectoriesForFile(filePath: string): Promise<string[]> {
	const newDirectories: string[] = []
	const normalizedFilePath = path.normalize(filePath) // Normalize path for cross-platform compatibility
	const directoryPath = path.dirname(normalizedFilePath)

	let currentPath = directoryPath
	const dirsToCreate: string[] = []

	// Traverse up the directory tree and collect missing directories
	while (!(await fileExistsAtPath(currentPath))) {
		dirsToCreate.push(currentPath)
		currentPath = path.dirname(currentPath)
	}

	// Create directories from the topmost missing one down to the target directory
	for (let i = dirsToCreate.length - 1; i >= 0; i--) {
		await fs.mkdir(dirsToCreate[i])
		newDirectories.push(dirsToCreate[i])
	}

	return newDirectories
}

/**
 * Helper function to check if a path exists.