update react hook form example,

03_source/mobile/src/pages/DemoReactHookFormExample/index.tsx

@@ -1,30 +1,31 @@
-import { IonIcon, IonLabel, IonRouterOutlet, IonTabBar, IonTabButton, IonTabs } from '@ionic/react';
+import { IonRouterOutlet, IonTabs } from '@ionic/react';
 
-import { cloudOutline, searchOutline } from 'ionicons/icons';
 import { Route, Redirect } from 'react-router';
 
-import Tab1 from './AppPages/Tab1';
-import Tab2 from './AppPages/Tab2';
+// import Tab1 from './AppPages/Tab1';
+// import Tab2 from './AppPages/Tab2';
 
 import './style.scss';
+import Home from './pages/Home';
 
 function DemoReactHookFormExample() {
   return (
-    <IonTabs>
+    <IonTabs className="demo-react-hook-form-example">
       <IonRouterOutlet>
-        <Route exact path="/demo-react-hook-form-example/tab1">
-          <Tab1 />
-        </Route>
-        <Route exact path="/demo-react-hook-form-example/tab2">
-          <Tab2 />
+        <Route exact path="/demo-react-hook-form-example/home">
+          <Home />
         </Route>
 
-        <Redirect exact path="/demo-react-hook-form-example" to="/demo-react-hook-form-example/tab1" />
+        <Redirect
+          exact
+          path="/demo-react-hook-form-example"
+          to="/demo-react-hook-form-example/home"
+        />
       </IonRouterOutlet>
 
-      {/*  */}
+      {/*
       <IonTabBar slot="bottom">
-        <IonTabButton tab="tab1" href="/demo-react-hook-form-example/tab1">
+        <IonTabButton tab="tab1" href="/demo-react-hook-form-example/home">
           <IonIcon icon={cloudOutline} />
           <IonLabel>Dashboard</IonLabel>
         </IonTabButton>
@@ -33,6 +34,7 @@ function DemoReactHookFormExample() {
           <IonLabel>Search</IonLabel>
         </IonTabButton>
       </IonTabBar>
+      */}
     </IonTabs>
   );
 }

03_source/mobile/src/pages/DemoReactHookFormExample/module.d.ts

@@ -0,0 +1,9 @@
+declare module '*.module.css' {
+  const classes: { readonly [key: string]: string };
+  export default classes;
+}
+
+declare module '*.module.scss' {
+  const classes: { readonly [key: string]: string };
+  export default classes;
+}

03_source/mobile/src/pages/DemoReactHookFormExample/pages/Home.tsx

@@ -0,0 +1,126 @@
+import {
+  IonButton,
+  IonButtons,
+  IonCardSubtitle,
+  IonContent,
+  IonHeader,
+  IonIcon,
+  IonInput,
+  IonItem,
+  IonLabel,
+  IonPage,
+  IonTitle,
+  IonToolbar,
+  useIonRouter,
+} from '@ionic/react';
+import './Home.scss';
+import { useForm } from 'react-hook-form';
+
+import { alertCircleOutline, chevronBackOutline } from 'ionicons/icons';
+import React from 'react';
+
+const Home = (): React.JSX.Element => {
+  const {
+    register,
+    handleSubmit,
+    formState: { errors },
+  } = useForm({
+    mode: 'onTouched',
+    reValidateMode: 'onChange',
+  });
+
+  const fields = [
+    {
+      label: 'Firstname',
+      required: true,
+      requiredOptions: {
+        maxLength: 10,
+      },
+      props: {
+        name: 'firstname',
+        type: 'text',
+        placeholder: 'Enter a username',
+      },
+    },
+
+    {
+      label: 'Age',
+      required: true,
+      requiredOptions: {
+        min: 18,
+        max: 99,
+      },
+      props: {
+        name: 'age',
+        type: 'number',
+        inputmode: 'numeric',
+        placeholder: 'Enter your age',
+      },
+    },
+  ];
+
+  console.log(errors);
+
+  const onSubmit = (data) => {
+    console.log(data);
+  };
+
+  const router = useIonRouter();
+  function handleBackClick() {
+    router.goBack();
+  }
+
+  return (
+    <IonPage>
+      <IonHeader>
+        <IonToolbar>
+          <IonTitle>React Hook Form</IonTitle>
+
+          <IonButtons slot="start">
+            <IonButton onClick={() => handleBackClick()}>
+              <IonIcon icon={chevronBackOutline} color="primary" />
+            </IonButton>
+          </IonButtons>
+        </IonToolbar>
+      </IonHeader>
+      <IonContent fullscreen>
+        <IonHeader collapse="condense">
+          <IonToolbar>
+            <IonTitle size="large">React Hook Form</IonTitle>
+          </IonToolbar>
+        </IonHeader>
+
+        <IonCardSubtitle className="ion-text-center ion-margin">
+          An example using React Hook Form
+        </IonCardSubtitle>
+
+        <form onSubmit={handleSubmit(onSubmit)}>
+          {fields.map((field, index) => {
+            const { label, required, requiredOptions, props } = field;
+
+            return (
+              <IonItem key={`form_field_${index}`} lines="full">
+                <>
+                  <IonLabel position="fixed">{label}</IonLabel>
+                  <IonInput
+                    {...props}
+                    {...register(props.name, { required, ...requiredOptions })}
+                  />
+                </>
+                {required && errors[props.name] && (
+                  <IonIcon icon={alertCircleOutline} color="danger" />
+                )}
+              </IonItem>
+            );
+          })}
+
+          <IonButton type="submit" className="ion-margin-top" expand="full">
+            Submit
+          </IonButton>
+        </form>
+      </IonContent>
+    </IonPage>
+  );
+};
+
+export default Home;

03_source/mobile/src/pages/DemoReactHookFormExample/theme/variables.scss

@@ -0,0 +1,79 @@
+.demo-react-hook-form-example {
+  /* Ionic Variables and Theming. For more info, please see:
+http://ionicframework.com/docs/theming/ */
+
+  /** Ionic CSS Variables **/
+  :root {
+    /** primary **/
+    --ion-color-primary: #3880ff;
+    --ion-color-primary-rgb: 56, 128, 255;
+    --ion-color-primary-contrast: #ffffff;
+    --ion-color-primary-contrast-rgb: 255, 255, 255;
+    --ion-color-primary-shade: #3171e0;
+    --ion-color-primary-tint: #4c8dff;
+
+    /** secondary **/
+    --ion-color-secondary: #3dc2ff;
+    --ion-color-secondary-rgb: 61, 194, 255;
+    --ion-color-secondary-contrast: #ffffff;
+    --ion-color-secondary-contrast-rgb: 255, 255, 255;
+    --ion-color-secondary-shade: #36abe0;
+    --ion-color-secondary-tint: #50c8ff;
+
+    /** tertiary **/
+    --ion-color-tertiary: #5260ff;
+    --ion-color-tertiary-rgb: 82, 96, 255;
+    --ion-color-tertiary-contrast: #ffffff;
+    --ion-color-tertiary-contrast-rgb: 255, 255, 255;
+    --ion-color-tertiary-shade: #4854e0;
+    --ion-color-tertiary-tint: #6370ff;
+
+    /** success **/
+    --ion-color-success: #2dd36f;
+    --ion-color-success-rgb: 45, 211, 111;
+    --ion-color-success-contrast: #ffffff;
+    --ion-color-success-contrast-rgb: 255, 255, 255;
+    --ion-color-success-shade: #28ba62;
+    --ion-color-success-tint: #42d77d;
+
+    /** warning **/
+    --ion-color-warning: #ffc409;
+    --ion-color-warning-rgb: 255, 196, 9;
+    --ion-color-warning-contrast: #000000;
+    --ion-color-warning-contrast-rgb: 0, 0, 0;
+    --ion-color-warning-shade: #e0ac08;
+    --ion-color-warning-tint: #ffca22;
+
+    /** danger **/
+    --ion-color-danger: #eb445a;
+    --ion-color-danger-rgb: 235, 68, 90;
+    --ion-color-danger-contrast: #ffffff;
+    --ion-color-danger-contrast-rgb: 255, 255, 255;
+    --ion-color-danger-shade: #cf3c4f;
+    --ion-color-danger-tint: #ed576b;
+
+    /** dark **/
+    --ion-color-dark: #222428;
+    --ion-color-dark-rgb: 34, 36, 40;
+    --ion-color-dark-contrast: #ffffff;
+    --ion-color-dark-contrast-rgb: 255, 255, 255;
+    --ion-color-dark-shade: #1e2023;
+    --ion-color-dark-tint: #383a3e;
+
+    /** medium **/
+    --ion-color-medium: #92949c;
+    --ion-color-medium-rgb: 146, 148, 156;
+    --ion-color-medium-contrast: #ffffff;
+    --ion-color-medium-contrast-rgb: 255, 255, 255;
+    --ion-color-medium-shade: #808289;
+    --ion-color-medium-tint: #9d9fa6;
+
+    /** light **/
+    --ion-color-light: #f4f5f8;
+    --ion-color-light-rgb: 244, 245, 248;
+    --ion-color-light-contrast: #000000;
+    --ion-color-light-contrast-rgb: 0, 0, 0;
+    --ion-color-light-shade: #d7d8da;
+    --ion-color-light-tint: #f5f6f9;
+  }
+}