feat: attach static properties on load

Closes #58

package.json

@@ -70,7 +70,8 @@
     "standard-version": "^4.3.0"
   },
   "dependencies": {
-    "babel-plugin-syntax-dynamic-import": "^6.18.0"
+    "babel-plugin-syntax-dynamic-import": "^6.18.0",
+    "hoist-non-react-statics": "^2.5.0"
   },
   "jest": {
     "setupFiles": [

src/__fixtures__/Dummy.js

@@ -2,4 +2,6 @@ import React from 'react'
 
 const Dummy = () => <div />
 
+Dummy.dummyStaticProp = true
+
 export default Dummy

src/loadable.js

@@ -1,5 +1,6 @@
 /* eslint-disable react/sort-comp */
 import React from 'react'
+import hoistNonReactStatics from 'hoist-non-react-statics'
 import { LOADABLE } from './constants'
 import resolveModuleDefault from './utils/resolveModuleDefault'
 import * as componentTracker from './componentTracker'
@@ -26,6 +27,12 @@ function loadable(
           .then(module => {
             const Component = resolveModuleDefault(module)
             LoadableComponent.Component = Component
+            hoistNonReactStatics(LoadableComponent, Component, {
+              Component: true,
+              loadingPromise: true,
+              load: true,
+              [LOADABLE]: true,
+            })
             return Component
           })
           .catch(error => {

src/loadable.test.js

@@ -22,6 +22,11 @@ describe('#loadable', () => {
     expect(wrapper.contains(<Dummy />)).toBe(true)
   })
 
+  it('should hoist static variables', async () => {
+    await Loadable.load()
+    expect(Loadable.dummyStaticProp).toBe(true)
+  })
+
   it('should not load it two times', async () => {
     const wrapper = mount(<Loadable />)
     expect(wrapper.find('EmptyComponent').exists()).toBe(true)

yarn.lock

@@ -2777,6 +2777,10 @@ hoist-non-react-statics@^2.3.0:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-2.3.1.tgz#343db84c6018c650778898240135a1420ee22ce0"
 
+hoist-non-react-statics@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-2.5.0.tgz#d2ca2dfc19c5a91c5a6615ce8e564ef0347e2a40"
+
 home-or-tmp@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-2.0.0.tgz#e36c3f2d2cae7d746a857e38d18d5f32a7882db8"