Fix bug

11 years ago · daed47a85c
1 changed files with 1 additions and 1 deletions
--- a/c3.js
+++ b/c3.js
@ -231,7 +231,7 @@
                var x0, y0
                if (isLineType(d)) {
                    isSplineType(d) ? line.interpolate("cardinal") : line.interpolate("linear")
-                    return __data_regions.length > 0 ? lineWithRegions(d.values, x, getYScale(d.id), __data_regions[d.id]) : line(d.values)
+                    return Object.keys(__data_regions).length > 0 ? lineWithRegions(d.values, x, getYScale(d.id), __data_regions[d.id]) : line(d.values)
                } else {
                    x0 = x(d.values[0].x)
                    y0 = getYScale(d.id)(d.values[0].value)