Fix server warning for useLayoutEffect (#59)

* Fix server warning for useLayoutEffect

* Fix package

* Add comment explaining it

* Update jest config

Author: atomiks

.eslintrc

@@ -17,9 +17,11 @@
       "version": "detect"
     }
   },
+  "plugins": ["react-hooks"],
   "extends": ["eslint:recommended", "plugin:react/recommended", "prettier"],
   "rules": {
     "react/prop-types": "off",
-    "no-unused-vars": ["error", { "ignoreRestSiblings": true }]
+    "no-unused-vars": ["error", { "ignoreRestSiblings": true }],
+    "react-hooks/rules-of-hooks": "error"
   }
 }

demo/index.js

@@ -118,6 +118,7 @@ class App extends React.Component {
   state = {
     arrow: false,
     customClass: 'hello',
+    content: 'hello',
   }
 
   toggleArrow = () => {
@@ -128,8 +129,8 @@ class App extends React.Component {
 
   componentDidMount() {
     setTimeout(() => {
-      this.setState({ customClass: 'bye' })
-    }, 500)
+      this.setState({ customClass: 'bye', content: 'testing content update' })
+    }, 2000)
   }
 
   render() {
@@ -174,7 +175,11 @@ class App extends React.Component {
         </Tippy>
 
         <h1>Other</h1>
-        <Tippy trigger="click" className={this.state.customClass}>
+        <Tippy
+          content={this.state.content}
+          trigger="click"
+          className={this.state.customClass}
+        >
           <button>Custom class</button>
         </Tippy>
       </main>