Hoist static non-react properties

Author: Oblosys

package-lock.json

@@ -77,6 +77,7 @@
     "webpack-dev-server": "^3.1.4"
   },
   "dependencies": {
+    "hoist-non-react-statics": "^2.5.0",
     "prop-types": "^15.6.1",
     "react-redux": "^5.0.7",
     "redux": "^4.0.0",

package.json

@@ -1,4 +1,5 @@
 import React, { Component } from 'react';
+import hoistStatics from 'hoist-non-react-statics';
 import PropTypes from 'prop-types';
 
 import * as constants from './constants';
@@ -193,5 +194,5 @@ export default function traceLifecycle(ComponentToTrace) {
     delete TracedComponent.prototype.componentWillUpdate;
   }
 
-  return TracingComponent;
+  return hoistStatics(TracingComponent, ComponentToTrace);
 }

src/traceLifecycle.jsx

@@ -4,6 +4,8 @@ import { traceLifecycle } from '../src';
 class Child extends Component {
   state = {}
 
+  static staticProperty = 'a static property'
+
   constructor(props, context, trace) {
     super(props, context, trace);
     trace('custom:constructor');

test/TracedChild.jsx

@@ -49,6 +49,12 @@ afterEach(() => {
   clearLog();
 });
 
+describe('traceLifecycle', () => {
+  it('preserves static properties', () => {
+    expect(TracedChild.staticProperty).toBe('a static property');
+  });
+});
+
 describe('LifecyclePanel', () => {
   it('shows which methods are implemented', () => {
     wrapper.setState({isShowingChild: true}); // Mount TracedChild