1 files changed, 26 insertions, 0 deletions
diff --git a/cli/util/path.rs b/cli/util/path.rs
index a3109ad04..3c848edea 100644
--- a/cli/util/path.rs
+++ b/cli/util/path.rs
@@ -42,6 +42,32 @@ pub fn get_extension(file_path: &Path) -> Option<String> {
     .map(|e| e.to_lowercase());
 }
 
+pub fn get_atomic_dir_path(file_path: &Path) -> PathBuf {
+  let rand = gen_rand_path_component();
+  let new_file_name = format!(
+    ".{}_{}",
+    file_path
+      .file_name()
+      .map(|f| f.to_string_lossy())
+      .unwrap_or(Cow::Borrowed("")),
+    rand
+  );
+  file_path.with_file_name(new_file_name)
+}
+
+pub fn get_atomic_file_path(file_path: &Path) -> PathBuf {
+  let rand = gen_rand_path_component();
+  let extension = format!("{rand}.tmp");
+  file_path.with_extension(extension)
+}
+
+fn gen_rand_path_component() -> String {
+  (0..4).fold(String::new(), |mut output, _| {
+    output.push_str(&format!("{:02x}", rand::random::<u8>()));
+    output
+  })
+}
+
 /// TypeScript figures out the type of file based on the extension, but we take
 /// other factors into account like the file headers. The hack here is to map the
 /// specifier passed to TypeScript to a new specifier with the file extension.