enable interactive form

src/components/InputField.tsx

@@ -0,0 +1,40 @@
+import React, {FC} from 'react';
+
+interface IProps {
+  state: string | number | string[] | undefined;
+  setState: React.Dispatch<React.SetStateAction<string>>;
+  placeholder: string;
+  type?: string;
+  required?: boolean;
+  autoFocus?: boolean;
+  minLength?: number;
+}
+
+const InputField: FC<IProps> = ({
+  state,
+  setState,
+  placeholder,
+  autoFocus,
+  required,
+  minLength,
+  type = 'text',
+}) => {
+  const handleChange = (e: React.ChangeEvent<HTMLInputElement>): void => {
+    setState(e.target.value);
+  };
+
+  return (
+    <div className="form-group">
+      <input
+        value={state}
+        onChange={handleChange}
+        placeholder={placeholder}
+        type={type}
+        autoFocus={autoFocus}
+        required={required}
+        minLength={minLength}
+      />
+    </div>
+  );
+};
+export default InputField;

src/pages/SignUp.tsx

@@ -1,35 +1,76 @@
-import React, {FC} from 'react';
+import React, {FC, useState} from 'react';
+// Routing
 import {Link} from 'react-router-dom';
-import Header from '../components/Header';
 import * as ROUTES from '../constants/routes';
+// Style
+import Header from '../components/Header';
+import InputField from '../components/InputField';
+
 /**
  * Sign up form
  */
-const SignUp: FC = () => (
-  <section className="container">
-    <Header title="Sign Up" lead="Create your account" />
-    <form action="dashboard.html" className="form">
-      <div className="form-group">
-        <input type="text" placeholder="Name" required />
-      </div>
-      <div className="form-group">
-        <input type="email" placeholder="Email Address" />
+const SignUp: FC = () => {
+  const [name, setName] = useState('');
+  const [email, setEmail] = useState('');
+  const [password1, setPassword1] = useState('');
+  const [password2, setPassword2] = useState('');
+  const [error, setError] = useState(false);
+
+  const isDisabled: boolean =
+    name === '' || email === '' || password1 === '' || password1 !== password2;
+
+  return (
+    <section className="container">
+      {error && <div className="alert alert-danger">Invalid credentials</div>}
+      <Header title="Sign Up" lead="Create your account" />
+      <form action="dashboard.html" className="form">
+        <InputField
+          state={name}
+          setState={setName}
+          placeholder="Name"
+          required
+          autoFocus
+        />
+
+        <InputField
+          state={email}
+          setState={setEmail}
+          placeholder="Email Address"
+          required
+        />
         <small className="form-text">
           This site uses Gravatar, so use a Gravatar email.
         </small>
-      </div>
-      <div className="form-group">
-        <input type="password" placeholder="Password" minLength={6} />
-      </div>
-      <div className="form-group">
-        <input type="password" placeholder="Confirm Password" minLength={6} />
-      </div>
-      <input type="submit" value="Register" className="btn btn-primary" />
-    </form>
-    <p className="my-1">
-      Already have an account? <Link to={ROUTES.SIGN_IN}>Sign in</Link>
-    </p>
-  </section>
-);
+
+        <InputField
+          state={password1}
+          setState={setPassword1}
+          placeholder="Password"
+          type="password"
+          minLength={6}
+          required
+        />
+        <InputField
+          state={password2}
+          setState={setPassword2}
+          placeholder="Confirm Password"
+          type="password"
+          minLength={6}
+          required
+        />
+
+        <input
+          type="submit"
+          value="Register"
+          className="btn btn-primary"
+          disabled={isDisabled}
+        />
+      </form>
+      <p className="my-1">
+        Already have an account? <Link to={ROUTES.SIGN_IN}>Sign in</Link>
+      </p>
+    </section>
+  );
+};
 
 export default SignUp;

src/pages/__tests__/SignUp.spec.tsx

@@ -0,0 +1,7 @@
+import SignUp from '../SignUp';
+
+describe('Signup Page', () => {
+  it('calls loadUser function', () => {});
+  it('redirects to dashboard if signed up', () => {});
+  it('call signup function on click', () => {});
+});