1 files changed, 17 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/utils/pause/mapScopes/locColumn.js b/devtools/client/debugger/src/utils/pause/mapScopes/locColumn.js
new file mode 100644
index 0000000000..35f5061dd3
--- /dev/null
+++ b/devtools/client/debugger/src/utils/pause/mapScopes/locColumn.js
@@ -0,0 +1,17 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+// @flow
+
+import type { PartialPosition } from "../../../types";
+
+export function locColumn(loc: PartialPosition): number {
+  if (typeof loc.column !== "number") {
+    // This shouldn't really happen with locations from the AST, but
+    // the datatype we are using allows null/undefined column.
+    return 0;
+  }
+
+  return loc.column;
+}