Remove function

src/wasm/lib.rs

@@ -99,17 +99,6 @@ pub fn is_binary(data: &[u8]) -> bool {
     std::str::from_utf8(data).is_err()
 }
 
-/// We don't want to support merging structured data like JSON, YAML, etc.
-#[wasm_bindgen(js_name = isFileTypeMergable)]
-#[must_use]
-pub fn is_file_type_mergable(path_or_file_name: &str) -> bool {
-    set_panic_hook();
-
-    let file_extension = path_or_file_name.split('.').next_back().unwrap_or_default();
-
-    matches!(file_extension.to_lowercase().as_str(), "md" | "txt")
-}
-
 fn set_panic_hook() {
     // https://github.com/rustwasm/console_error_panic_hook#readme
     #[cfg(feature = "console_error_panic_hook")]

tests/wasm.rs

@@ -0,0 +1,67 @@
+#![cfg(feature = "wasm")]
+
+use reconcile::wasm::{
+    lib::{is_binary, merge, merge_text, merge_text_with_cursors},
+    types::{JsCursorPosition, JsTextWithCursors},
+};
+use wasm_bindgen_test::*;
+
+#[wasm_bindgen_test(unsupported = test)]
+fn test_merge() {
+    let left = b"hello ";
+    let right = b"world";
+    let result = merge(b"", left, right);
+    assert_eq!(result, b"hello world");
+
+    let left = b"\0binary";
+    let right = b"other";
+    let result = merge(b"", left, right);
+    assert_eq!(result, right);
+}
+
+#[wasm_bindgen_test(unsupported = test)]
+fn test_merge_text() {
+    let left = "hello ";
+    let right = "world";
+    let result = merge_text("", left, right);
+    assert_eq!(result, "hello world");
+}
+
+#[wasm_bindgen_test(unsupported = test)]
+fn test_merge_text_with_cursors() {
+    let result = merge_text_with_cursors(
+        "hi",
+        JsTextWithCursors::new("hi world".to_owned(), vec![]),
+        JsTextWithCursors::new(
+            "hi".to_owned(),
+            vec![JsCursorPosition::new(0, 1), JsCursorPosition::new(1, 2)],
+        ),
+    );
+
+    assert_eq!(
+        result,
+        JsTextWithCursors::new(
+            "hi world".to_owned(),
+            vec![JsCursorPosition::new(0, 1), JsCursorPosition::new(1, 2)]
+        ),
+    );
+}
+
+#[wasm_bindgen_test(unsupported = test)]
+fn merge_binary() {
+    let left = [0, 1, 2];
+    let right = [3, 4, 5];
+    assert_eq!(merge(b"", &left, &right), right);
+}
+
+#[wasm_bindgen_test(unsupported = test)]
+fn test_is_binary() {
+    assert!(is_binary(&[0, 159, 146, 150]));
+    assert!(is_binary(&[0, 12]));
+    assert!(!is_binary(b"hello"));
+}
+
+#[wasm_bindgen_test(unsupported = test)]
+fn test_is_binary_empty() {
+    assert!(!is_binary(b""));
+}