[docs] Add AdaptingHook TypeScript demo

docs/src/pages/css-in-js/basics/AdaptingHook.tsx

@@ -2,15 +2,12 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import { makeStyles } from '@material-ui/styles';
 import Button, { ButtonProps as MuiButtonProps } from '@material-ui/core/Button';
-
-type Omit<T, K> = Pick<T, Exclude<keyof T, K>>;
+import { Omit } from '@material-ui/types';
 
 interface Props {
   color: 'red' | 'blue';
 }
 
-type MyButtonProps = Props & Omit<MuiButtonProps, keyof Props>;
-
 const useStyles = makeStyles({
   root: {
     background: (props: Props) =>
@@ -30,7 +27,7 @@ const useStyles = makeStyles({
   },
 });
 
-function MyButton(props: MyButtonProps) {
+function MyButton(props: Props & Omit<MuiButtonProps, keyof Props>) {
   const { color, ...other } = props;
   const classes = useStyles(props);
   return <Button className={classes.root} {...other} />;

docs/src/pages/styles/basics/AdaptingHook.js

@@ -32,13 +32,11 @@ MyButton.propTypes = {
   color: PropTypes.oneOf(['red', 'blue']).isRequired,
 };
 
-function AdaptingHook() {
+export default function AdaptingHook() {
   return (
     <React.Fragment>
       <MyButton color="red">Red</MyButton>
       <MyButton color="blue">Blue</MyButton>
     </React.Fragment>
   );
 }
-
-export default AdaptingHook;

docs/src/pages/styles/basics/AdaptingHook.tsx

@@ -0,0 +1,49 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { makeStyles, createStyles } from '@material-ui/styles';
+import Button, { ButtonProps as MuiButtonProps } from '@material-ui/core/Button';
+import { Omit } from '@material-ui/types';
+
+interface Props {
+  color: 'red' | 'blue';
+}
+
+const useStyles = makeStyles(
+  createStyles({
+    root: {
+      background: (props: Props) =>
+        props.color === 'red'
+          ? 'linear-gradient(45deg, #FE6B8B 30%, #FF8E53 90%)'
+          : 'linear-gradient(45deg, #2196F3 30%, #21CBF3 90%)',
+      border: 0,
+      borderRadius: 3,
+      boxShadow: (props: Props) =>
+        props.color === 'red'
+          ? '0 3px 5px 2px rgba(255, 105, 135, .3)'
+          : '0 3px 5px 2px rgba(33, 203, 243, .3)',
+      color: 'white',
+      height: 48,
+      padding: '0 30px',
+      margin: 8,
+    },
+  }),
+);
+
+function MyButton(props: Props & Omit<MuiButtonProps, keyof Props>) {
+  const { color, ...other } = props;
+  const classes = useStyles(props);
+  return <Button className={classes.root} {...other} />;
+}
+
+(MyButton as any).propTypes = {
+  color: PropTypes.oneOf(['red', 'blue']).isRequired,
+};
+
+export default function AdaptingHook() {
+  return (
+    <React.Fragment>
+      <MyButton color="red">Red</MyButton>
+      <MyButton color="blue">Blue</MyButton>
+    </React.Fragment>
+  );
+}