check not to assign undefined style

Author: archmoj

package-lock.json

@@ -77,10 +77,10 @@
     "gl-line3d": "^1.1.5",
     "gl-mat4": "^1.2.0",
     "gl-mesh3d": "^2.0.1",
-    "gl-plot2d": "git://github.com/gl-vis/gl-plot2d.git#9f805c4e6ff9f43fa5b543057e3e18500744efd3",
-    "gl-plot3d": "git://github.com/gl-vis/gl-plot3d.git#6d41e90193dc63763a3a4de90cf93eb0618187af",
+    "gl-plot2d": "git://github.com/gl-vis/gl-plot2d.git#295eb111b597a845ed8417948eaeced5dbd5a0d2",
+    "gl-plot3d": "git://github.com/gl-vis/gl-plot3d.git#c96745fe58e687ff79f022cbee9a1f00362adb53",
     "gl-pointcloud2d": "^1.0.1",
-    "gl-scatter3d": "git://github.com/gl-vis/gl-scatter3d.git#6bd2bae438f3152c83fd6a78f2a7049c03ab21bf",
+    "gl-scatter3d": "git://github.com/gl-vis/gl-scatter3d.git#2c1cf51ba6b10157947b6770ee1a50475f26075f",
     "gl-select-box": "^1.0.2",
     "gl-spikes2d": "^1.0.1",
     "gl-streamtube3d": "^1.1.0",