Changeset: Use in check to help TypeScript narrowing

ether · Nov 9, 2021 · 80cb165 · 80cb165
1 parent 52f85e4
commit 80cb165
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/static/js/Changeset.js b/src/static/js/Changeset.js
@@ -647,7 +647,7 @@ const textLinesMutator = (lines) => {
    * @returns {string}
    */
   const linesGet = (idx) => {
-    if (lines.get) {
+    if ('get' in lines) {
       return lines.get(idx);
     } else {
       return lines[idx];