handle single-field segments (#3757)

2020-03-29 23:39:32 +01:00
parent 827bcec186
commit b5f4e1187f
1 changed files with 1 additions and 1 deletions
--- a/lib/sourcemap.js
+++ b/lib/sourcemap.js
@@ -133,7 +133,7 @@ function SourceMap(options) {
                    if (orig_col >= col) indices = segments[i];
                    if (orig_col <= col) break;
                }
-                if (!indices) return;
+                if (!indices || indices.length < 4) return;
                source = map.sources[indices[1]];
                orig_line = indices[2];
                orig_col = indices[3];