Initial public release of Warp.

Repo-Sync-Origin: warpdotdev/warp-internal@12af1d983b

app/src/util/truncation.rs

@@ -0,0 +1,25 @@
+/// Truncate text from the end with ellipsis if it exceeds max_length.
+/// Properly handles UTF-8 character boundaries to avoid panics.
+pub fn truncate_from_end(text: &str, max_length: usize) -> String {
+    let char_count = text.chars().count();
+    if char_count <= max_length {
+        text.to_string()
+    } else {
+        let chars_to_take = max_length.saturating_sub(1);
+        let truncated: String = text.chars().take(chars_to_take).collect();
+        format!("{truncated}…")
+    }
+}
+
+/// Truncate text from the beginning with ellipsis if it exceeds max_length.
+/// Properly handles UTF-8 character boundaries to avoid panics.
+pub fn truncate_from_beginning(text: &str, max_length: usize) -> String {
+    let char_count = text.chars().count();
+    if char_count <= max_length {
+        text.to_string()
+    } else {
+        let chars_to_take = max_length.saturating_sub(1);
+        let truncated: String = text.chars().skip(char_count - chars_to_take).collect();
+        format!("…{truncated}")
+    }
+}