Using React Hook Form v6+ with Ionic React Components - Update

Aaron K Saunders - Jul 17 '20 - - Dev Community

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This is a quick post showing quickly how to make latest version of React Hook Form work with Ionic Framework ReactJS Components.

The previous post example will only work on older versions of the form library.

This is based on the Controller API discussed here in the documentation - https://react-hook-form.com/api#Controller

const App: React.FunctionComponent = () => {
  const { handleSubmit, control } = useForm();

  /**
   *
   * @param data
   */
  const onSubmit = (data: any) => {
    debugger;
    alert(JSON.stringify(data, null, 2));
  };

  return (
    <IonApp>
      <IonPage>
        <IonHeader>
          <IonToolbar>
            <IonButtons slot="start">
              <IonBackButton />
            </IonButtons>
            <IonTitle>Detail</IonTitle>
          </IonToolbar>
        </IonHeader>
        <IonContent>
          <p>Details</p>
          <form onSubmit={handleSubmit(data => console.log(data))}>
            <IonItem>
              <IonLabel>Gender</IonLabel>
              <Controller
                render={({ onChange, onBlur, value }) => (
                  <IonSelect placeholder="Select One" onIonChange={onChange}>
                    <IonSelectOption value="FEMALE">Female</IonSelectOption>
                    <IonSelectOption value="MALE">Male</IonSelectOption>
                  </IonSelect>
                )}
                control={control}
                name="gender"
                rules={{ required: true }}
              />
            </IonItem>
            <IonItem>
              <IonLabel>Email</IonLabel>
              <Controller
                render={({ onChange, onBlur, value }) => (<IonInput onIonChange={onChange}/>)}
                control={control}
                name="email"
                rules={{
                  required: true,
                  pattern: {
                    value: /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i,
                    message: "invalid email address"
                  }
                }}
              />
            </IonItem>
            <IonItem>
              <Controller
                render={({ onChange, onBlur, value }) => (
                  <IonRange
                    min={-200}
                    max={200}
                    color="secondary"
                    onIonChange={onChange}
                  >
                    <IonLabel slot="start">-200</IonLabel>
                    <IonLabel slot="end">200</IonLabel>
                  </IonRange>
                )}
                control={control}
                name="rangeInfo"
                rules={{ required: true }}
              />
            </IonItem>
            <IonButton type="submit">submit</IonButton>
          </form>
        </IonContent>
      </IonPage>
    </IonApp>
  );
};
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Updated Example Source Code From Stackblitz

Original Video Showing the Use of React Hook Form

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