1 files changed, 17 insertions, 0 deletions

diff --git a/src/dirs.rs b/src/dirs.rs
new file mode 100644
index 0000000..de7c156
--- /dev/null
+++ b/src/dirs.rs
@@ -0,0 +1,17 @@
+use std::{env, path::PathBuf};
+
+pub fn store_path() -> Option<PathBuf> {
+    cache_dir().map(|c| c.join("syn"))
+}
+
+fn cache_dir() -> Option<PathBuf> {
+    env::var_os("XDG_CACHE_HOME")
+        .map(PathBuf::from)
+        .or_else(|| home_dir().map(|h| h.join(".cache")))
+}
+
+fn home_dir() -> Option<PathBuf> {
+    env::var_os("HOME")
+        .and_then(|h| if h.is_empty() { None } else { Some(h) })
+        .map(PathBuf::from)
+}