Remove defaultProps syntax from functional components (#527)

* Remove defaultProps syntax from functional components

* v4.5.3

Author: kapantzak

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@netdata/netdata-ui",
-  "version": "4.5.2",
+  "version": "4.5.3",
   "description": "netdata UI kit",
   "main": "dist/index.js",
   "module": "dist/es6/index.js",

src/components/button/button.js

@@ -8,11 +8,11 @@ export const Button = forwardRef(
   (
     {
       label,
-      icon,
+      icon = null,
       flavour,
       isLoading,
       loadingLabel,
-      onClick,
+      onClick = () => {},
       textTransform = "firstLetter",
       iconColor,
       iconSize,
@@ -52,8 +52,3 @@ export const Button = forwardRef(
     </StyledButton>
   )
 )
-
-Button.defaultProps = {
-  onClick: () => {},
-  icon: null,
-}

src/components/checkbox/checkbox.js

@@ -12,7 +12,7 @@ export const Checkbox = forwardRef(
       disabled,
       iconProps,
       indeterminate,
-      Label,
+      Label = Text,
       label,
       labelProps,
       labelPosition = "left",
@@ -73,8 +73,3 @@ export const Checkbox = forwardRef(
     )
   }
 )
-
-Checkbox.defaultProps = {
-  Label: Text,
-  labelPosition: "right",
-}