Develop Reference

Modal closing right away

I am trying to add a modal to my page but it only stays open for a second and then closes again.
Here is my code:
Home.js
import './Home.css';
import React, {useState} from 'react';
import Modal from "./components/Modal";
function Home() {
const [openModal, setOpenModal] = useState(false);
return (
<div>
{console.log(openModal)}
<div className="App">
<header className="App-header">
<h1 className="App-name">iScore</h1>
</header>
</div>
<div className="Auth-form-container">
<form className="Auth-form">
<div className="Auth-form-content">
<h3 className="Auth-form-title">Sign In</h3>
<div className="form-group-both">
<div className="form-group mt-3">
<label>Email address: </label>
<input
type="email"
className="form-control mt-1"
placeholder="Enter email"
/>
</div>
</div>
<div className="form-group-pass">
<div className="form-group mt-3">
<label>Password: </label>
<input
type="password"
className="form-control mt-1"
placeholder="Enter password"
/>
</div>
</div>
<div className="popup">
<button className="submit"
>
Submit
</button>
</div>
{openModal && <Modal setOpenModals={setOpenModal}/>}
<p className="forgot-password text-right mt-2">
Forgot password?
</p>
<p>
Need an account?
</p>
<button className="sign-up" onClick={() => {
setOpenModal(true);
}}>Register
</button>
</div>
</form>
</div>
</div>
);
}
export default Home;
Modal.js
import "./Modal.css";
import {useState} from "react";
function Modal({ setOpenModals }) {
const handleChange = (event) => {
console.log("Checked: ", event.target.checked)
setAgreement(event.target.checked);
}
return(
<div className="modalBackground">
<div className="modalContainer">
<article>
<button className="Close" onClick={() => setOpenModals(false)}> × </button>
{/*<form>*/}
<div className="Auth-form-content">
<h3 className="Auth-form-title">Register</h3>
<div className="form-group mt-3">
<label>Email address: </label>
<input
type="email"
className="form-control mt-1"
placeholder="Enter email"
/>
</div>
<div className="form-group mt-3">
<label>Email address: </label>
<input
type="name"
className="form-control mt-1"
placeholder="Enter first name"
/>
</div>
<div className="form-group mt-3">
<label>Password: </label>
<input
type="password"
className="form-control mt-1"
placeholder="Enter password"
/>
</div>
<div className="form-group mt-3">
<label>Confirm Password: </label>
<input
type="password"
className="form-control mt-1"
placeholder="Enter password again"
/>
</div>
<div>
<input type="checkbox" name="terms" value="yes" onChange={handleChange}/>
<label htmlFor="terms"> I agree to the terms and conditions</label>
</div>
</div>
{/*</form>*/}
</article>
<footer>
<button disabled={!agreement} onClick={() => {handleSubmit();setOpenModals(false)}}>Register</button>
<button onClick={() => setOpenModals(false)} >Close</button>
</footer>
</div>
</div>
)
}
export default Modal
It seems that as soon as I press Register I can see in the console that openModal is set to True, but then immediately gets set back to false.
I am at a bit of a loss as to what to changes to try and make this work. From my perspective it should be doing it correctly.
Am I missing something here?

The issue is that in Modal.js in <button disabled={!agreement} onClick={() => {handleSubmit();setOpenModals(false)}}>Register</button> you use undeclared
agreement variable that cause Modal.js throw an error and do not render. You need pass agreement as prop or add a new state const [agreement, setAgreement] = useState(false) or remove disabled={!agreement} from a button in Modal.js
Edited
You have a form tag in Home.js and when you click Register button it opens the Modal AND submits a form. By default, a button has an innate type property of submit. When clicked, or activated inside a form, it will cause that form to submit (and trigger a corresponding submit event). This submit event cause Modal to close. Add type="button" to the Register button in Home.js.

at:
<button disabled={!agreement} onClick={() =>
{handleSubmit();setOpenModals(false)}}>Register</button>
You are calling setOpenModals false right after handleSubmit() which is causing immediate close of modal.
You need to close the modal in handleSubmit() function.

Html Form is not taking input on using handlechange event as use state hook

I have created a register page and tried to access the input value using handleChange event but the form is not taking any input. If the 'value=""' field of form elements is commented or their values are set null then the form is working. I tried by declaring a global
const {name, email, phone, work, password, cpassword} = user;
and passed the attributes to their respective value="" field but still not worked. How to solve this issue?
This is the code of my signup page.
import React ,{useState} from "react";
import "bootstrap/dist/css/bootstrap.css";
import "bootstrap";
import "../css/Signup.css"
import img from "../imgs/register.png"
import { NavLink } from "react-router-dom";
const Signup = ()=>{
const [user, setUser] = useState({
name:"", email:"", phone:"", work:"", password:"", cpassword:""
});
let name, value;
const handleChange = (event)=>{
name = event.target.name;
value = event.target.value;
setUser({...user, [name]:value});
}
const postData = (event)=>{
}
return (
<section className="section-container">
<div className="container">
<div className="myCard">
<div className="row">
<div className="col-md-6">
<div className="myLeftCtn">
<form className="myForm text-center" method="POST">
<header>Sign Up</header>
<div className="form-group">
<i className="fas fa-user"></i>
<input className="myInput" type={"text"}
value={user.name}
onChange={handleChange}
placeholder="Username" id="username" required></input>
</div>
<div className="form-group">
<i className="fas fa-envelope"></i>
<input className="myInput" type={"text"}
value={user.email}
onChange={handleChange}
placeholder="Email" id="email" required></input>
</div>
<div className="form-group">
<i className="fas fa-phone"></i>
<input className="myInput" type={"text"}
value={user.phone}
onChange={handleChange}
placeholder="Mobile Number" id="phone" required></input>
</div>
<div className="form-group">
<i className="fas fa-user-tie"></i>
<input className="myInput" type={"text"}
value={user.work}
onChange={handleChange}
placeholder="Profession" id="work" required></input>
</div>
<div className="form-group">
<i className="fas fa-lock"></i>
<input className="myInput" type={"password"}
value={user.password}
onChange={handleChange}
placeholder="Password" id="password" required></input>
</div>
<div className="form-group">
<i className="fas fa-lock"></i>
<input className="myInput" type={"password"}
value={user.cpassword}
onChange={handleChange}
placeholder="Confirm Password" id="cpassword" required></input>
</div>
<div className="form-group">
<label>
<input id="check_1" name="check_1" type={"checkbox"} required />
<small>I read and agree to Terms and Conditions</small>
<div className="invalid-feedback">You must check the box.</div>
</label>
</div>
<input type={"submit"} onClick={postData} className="butt" value={"Create Account"}/>
</form>
</div>
</div>
<div className="col-md-6">
<div className="box">
<figure>
<img className="signup-img" src={img} alt="signup-img"></img>
</figure>
<div className=""><NavLink className="butt_out" to="/login">I am already registered</NavLink></div>
</div>
</div>
</div>
</div>
</div>
</section>
)
}
export default Signup;

Everything looks great.Accept this line of code
<input type="submit" onClick={postData} className="butt" value={"Create Account"}/>

Your event.target.name will always be "". You will need to add name attribute to your form like so:
<input className="myInput" type={"text"} name="name"
value={user.name}
onChange={handleChange}
placeholder="Username" id="username" required></input>
Alternatively, you can use event.target.id, but you will need to update your form so it matches the user object. E.g. input for username should have an id of "name"

the name is doesn't passed
Example:
<input className="myInput" type={"text"} name="email" value={user.email}
onChange={handleChange} placeholder="Email" id="email" required>
</input>
and you don't need to declare let name, value;
outside the function
Function should look like :
const handleChange = (event) => {
const name = event.target.name;
const value = event.target.value;
setUser({...user, [name]:value});
}
or
const handleChange = (event) => {
setUser({...user, [event.target.name]:event.target.value});
}

React needs to be handled some if conditions

I have an issue with the if statement. The problem is I need to create a condition if the array has 2 object needs to be true if has 1 object it should be false. the objects are strings please check the code.
const { program } = useContext(ProgramContext);
const { authMethods } = program;
let loginComponent;
let claimComponent;
let insertRow;
let insertEnd;
if (authMethods) {
if (authMethods.indexOf('login') !== -1) {
loginComponent = (
<div className="col-md-6 d-flex">
<div className="card flex-grow-1 mb-md-0">
<div className="card-body">
<h3 className="card-title">Login</h3>
<form>
<div className="form-group">
<label htmlFor="login-id">User ID</label>
<input
id="login-id"
className="form-control"
placeholder="Please enter user ID"
/>
</div>
<div className="form-group">
<label htmlFor="login-password">Password</label>
<input
id="login-password"
type="password"
className="form-control"
placeholder="Password"
/>
<small className="form-text text-muted">
<ErrModal />
</small>
</div>
<div className="form-group">
<div className="form-check">
<span className="form-check-input input-check">
<span className="input-check__body">
<input
id="login-remember"
type="checkbox"
className="input-check__input"
/>
<span className="input-check__box" />
<Check9x7Svg className="input-check__icon" />
</span>
</span>
<label className="form-check-label" htmlFor="login-remember">
Remember Me
</label>
</div>
</div>
<button type="submit" className="btn btn-primary mt-2 mt-md-3 mt-lg-4">
Login
</button>
</form>
</div>
</div>
</div>
);
}
if (authMethods.indexOf('claim') !== -1) {
claimComponent = (
<div className="col-md-6 d-flex mt-4 mt-md-0">
<div className="card flex-grow-1 mb-0">
<div className="card-body">
<h3 className="card-title">Claim</h3>
<form>
<div className="form-group">
<label htmlFor="claim-code">Enter Claim Code</label>
<input
id="register-email"
type="text"
className="form-control"
placeholder="Claim Code"
/>
</div>
<button type="submit" className="btn btn-primary" style={{ marginTop: '186px' }}>
Claim
</button>
</form>
</div>
</div>
</div>
);
}
}
console.log(loginComponent);
console.log(claimComponent);
const rowComponent = (
<div className="container">
{insertRow}
{loginComponent}
{claimComponent}
{insertEnd}
</div>
);
Basically I want to add row class if there are 2 items in the array otherwise I don't need a row.
thank you

Your question is not clear so I'll chalk out a similar example:
import React from 'react'
const Component = () => {
const arr = ["foo", "bar"];
const rowClass = arr.length === 2 ? "row" : "";
return (
<div className={rowClass}>
This is an example
</div>
)
}
export default Component

Custom React component(react-hook) not re-rendering

I have a component that fetches data from my mongoDB it then renders a list of child components. It the "list" component I have a post that adds a new member to the database. Upon addition im trying to get the list to re-fetch the data and re-render the list component.
List Component:
import React, { useState, useEffect } from "react";
import axios from "axios";
import Spinner from "react-bootstrap/Spinner";
import { toast } from "react-toastify";
import DatePicker from "react-datepicker";
import useForm from "react-hook-form";
import { css } from "glamor";
import "react-toastify/dist/ReactToastify.css";
import "react-datepicker/dist/react-datepicker.css";
import "../Styles/ReactDatePicker.css";
import Member from "./Member";
const { getFamily, getMembers, postMember } = require("../Utils/Service");
const MemberList = () => {
const [family, setFamily] = useState({});
const [familyMembers, setFamilyMembers] = useState([]);
const [loading, setLoading] = useState(true);
const [date, setDate] = useState(new Date());
const { handleSubmit, register, errors } = useForm();
async function fetchData() {
getFamily.then(result => {
setFamily(result);
});
getMembers.then(result => {
try {
setFamilyMembers(
result.map((child, index) => (
<Member
key={index}
index={child._id}
balance={child.balance}
firstName={child.firstName}
lastName={child.lastName}
birthday={child.birthday}
role={child.role[0]}
/>
))
);
} catch (e) {
toast.error("500: Error with Service Call", {
position: "top-right",
autoClose: 5000,
hideProgressBar: false,
closeOnClick: true,
pauseOnHover: true,
draggable: true,
className: css({
background: "#ed5565 !important"
})
});
} finally {
setLoading(false);
}
});
}
useEffect(() => {
if (loading) {
fetchData();
}
}, [loading]);
// const handleDateChange = date => {
// setDate(date)
// }
const onSubmit = data => {
data.familyId = "5dddf14df965552b3da57be1";
postMember(data).then(
????????????
);
};
return (
<div className="ibox">
<div className="ibox-title">
<h5>{family.name}</h5>
<div className="ibox-tools">
<span className="label label-warning-light float-right">
{familyMembers.length} Member(s)
</span>
</div>
</div>
<div className="ibox-content">
<div className="feed-activity-list">
{loading ? (
<Spinner animation="grow" role="status" variant="dark">
<span className="sr-only">Loading...</span>
</Spinner>
) : (
familyMembers
)}
</div>
<div className="d-flex">
<a
className="btn btn-primary text-white m-t"
data-toggle="modal"
data-target={"#newMemberModel"}
>
<i className="fa fa-plus"></i> New Member
</a>
<a
className="btn btn-danger text-white m-t m-l"
data-toggle="modal"
data-target={"#removeMemberModel"}
>
<i className="fa fa-minus"></i> Remove Member
</a>
</div>
</div>
{/* New Member Model */}
<div
className="modal inmodal"
id={"newMemberModel"}
tabIndex="-1"
role="dialog"
style={{ display: "none" }}
aria-hidden="true"
>
<div className="modal-dialog">
<div className="modal-content animated fadeIn">
<div className="modal-header">
<button type="button" className="close" data-dismiss="modal">
<span aria-hidden="true">×</span>
<span className="sr-only">Close</span>
</button>
<h4 className="modal-title">New Family Member</h4>
</div>
<form onSubmit={handleSubmit(onSubmit)}>
<div className="modal-body">
<div className="row">
<div className="col">
<div className="form-group">
<label>First Name</label>
<input
type="text"
placeholder="First Name"
className="form-control"
name="firstName"
ref={register({
required: true,
pattern: {
value: /^[a-zA-Z]+$/i,
message: "Invalid First Name"
}
})}
/>
<div className="text-danger">
{errors.firstName && errors.firstName.message}
</div>
</div>
<div className="form-group">
<label className="font-normal">Birthday</label>
<div className="input-group date">
{/* <DatePicker
selected={date}
onChange={handleDateChange}
placeholderText="Click to select a date"
isClearable
peekNextMonth
showMonthDropdown
showYearDropdown
dropdownMode="select"
ref={e =>register({
name: "Birthday",
required: false
})}
/> */}
<input
type="text"
placeholder="01/01/01"
className="form-control"
name="birthDate"
ref={register({
required: false
})}
/>
</div>
</div>
</div>
<div className="col">
<div className="form-group">
<label>Last Name</label>
<input
type="text"
placeholder="Last Name"
className="form-control"
name="lastName"
ref={register({
required: true,
pattern: {
value: /^[a-zA-Z]+$/i,
message: "Invalid Last Name"
}
})}
/>
<div className="text-danger">
{errors.lastName && errors.lastName.message}
</div>
</div>
<div className="form-group">
<label>Role</label>
<select
className="custom-select"
name="role"
ref={register({ required: true })}
>
<option defaultValue>Select Role</option>
<option value="Adult">Adult</option>
<option value="Child">Child</option>
</select>
</div>
</div>
</div>
</div>
<div className="modal-footer">
<button
type="button"
className="btn btn-white"
data-dismiss="modal"
>
Close
</button>
<button type="submit" className="btn btn-primary">
Add Member
</button>
</div>
</form>
</div>
</div>
</div>
{/* Remove Member Model */}
<div
className="modal inmodal"
id={"removeMemberModel"}
tabIndex="-1"
role="dialog"
style={{ display: "none" }}
aria-hidden="true"
>
<div className="modal-dialog">
<div className="modal-content animated fadeIn">
<div className="modal-header">
<button type="button" className="close" data-dismiss="modal">
<span aria-hidden="true">×</span>
<span className="sr-only">Close</span>
</button>
<h4 className="modal-title">Remove Family Member</h4>
</div>
<div className="modal-body"></div>
<div className="modal-footer">
<button
type="button"
className="btn btn-white"
data-dismiss="modal"
>
Close
</button>
<button type="button" className="btn btn-danger">
Remove Member
</button>
</div>
</div>
</div>
</div>
</div>
);
};
export default MemberList;
within the code in the onSubmit function with posts the data inside the .then is where im trying to re-render the entire component and/or fetch the data agin.

right now, your useEffect is only dependent on the property loading, if you change the property then the effect will run again.
https://reactjs.org/docs/hooks-reference.html#conditionally-firing-an-effect

In your component, you can call this.forceUpdate() to force a rerender.
I think you can also call your fetchData function again inside your .then() block, if you make the callback inside the .then() an async function.
postMember(data).then(
async () => this.fetchData()
);
or
postMember(data).then(
() => this.forceUpdate()
);

One input component but different states for each occurrence

I have created a component element. I am using it in a form.
I put the state in the class for the input component and when i do console log and they all seem to share the same state? is this normal. will need to post the values into laravel api and store to mysql next. is the following correct or do i need to create an input component for each field i require. Eg. one for name, one for surname one for telephone one for email etc:
import React from 'react';
import styles from './Input.module.scss';
export class Input extends React.Component {
constructor(props) {
super(props);
this.state = {
inputValue: ''
}
this.onInputChange = this.onInputChange.bind(this);
}
onInputChange(e) {
this.setState({ inputValue: e.target.value });
}
render() {
console.log(this.state.inputValue)
return (
<div className={styles.container}>
<label htmlFor={this.props.id} className={styles.label} > {this.props.label} </label>
<input
id={this.props.id}
className={styles.input}
type="text"
value={this.state.inputValue}
onChange={this.onInputChange}
/>
</div>
);
}
};
reusing same component here:
render() {
return (
<div className={styles.contactForm} >
<form onSubmit={this.onFormSubmit}>
<div className={styles.contactBlock} >
<div className={styles.header} onClick={this.onStepOneClick} >
<BoxHeader title="Step 1: Your Details" />
</div>
<div className={styles[this.state.stepOne]}>
<div>
<Input type="text" label="First Name" id="name" />
<Input type="text" label="Surname" id="surname" />
</div>
<div>
<Input type="email" label="Email Address" id="email" />
</div>
<div className={styles.button} onClick={this.onStepOneClick}>
<Button innerHTML="Next >" />
</div>
</div>
</div>
<div className={styles.contactBlock} >
<div className={styles.header} onClick={this.onStepTwoClick} >
<BoxHeader title="Step 2: More Comments" />
</div>
<div className={styles[this.state.stepTwo]}>
<div>
<Input type="tel" label="Telephone Number" id="tel" />
<Select label="Gender" id="gender" >
<option> Male </option>
<option> Female </option>
<option> Other </option>
</Select>
</div>
<div>
<Date label="Date of Birth" id="dob"/>
</div>
<div className={styles.button} onClick={this.onStepTwoClick}>
<Button innerHTML="Next >" />
</div>
</div>
</div>
<div className={styles.contactBlock} >
<div className={styles.header} onClick={this.onStepThreeClick} >
<BoxHeader title="Step 3: Final Comments" />
</div>
<div className={styles[this.state.stepThree]}>
<div className={styles.textArea}>
<Textarea label="Comments" id="comment" />
</div>
<div className={styles.submit}>
<Submit innerHTML="Next >" />
</div>
</div>
</div>
</form>
</div>
);

Yes, for each field you would need to create a new input. This can be within same or new component whichever you prefer.