added possibility to pass in additional attribues to element creators (#796)

e.g.
- `canvas.rect({x:100})` or
- `canvas.rect(100, 100, {x:100})`

1 files changed, 8 insertions, 3 deletions

diff --git a/src/elements/Polygon.js b/src/elements/Polygon.js
index a7bf592..afa5f31 100644
--- a/src/elements/Polygon.js
+++ b/src/elements/Polygon.js
@@ -1,4 +1,9 @@
-import { extend, nodeOrNew, register } from '../utils/adopter.js'
+import {
+  extend,
+  nodeOrNew,
+  register,
+  wrapWithAttrCheck
+} from '../utils/adopter.js'
 import { registerMethods } from '../utils/methods.js'
 import PointArray from '../types/PointArray.js'
 import Shape from './Shape.js'
@@ -15,10 +20,10 @@ export default class Polygon extends Shape {
 registerMethods({
   Container: {
     // Create a wrapped polygon element
-    polygon (p) {
+    polygon: wrapWithAttrCheck(function (p) {
       // make sure plot is called as a setter
       return this.put(new Polygon()).plot(p || new PointArray())
-    }
+    })
   }
 })