Contact validation and messages.

pages/resources/com/jessebrault/site/contact/ContactPageTemplate.wvc

@@ -8,33 +8,33 @@ import com.jessebrault.site.StandardPage
         <article class="contact">
             <h1>Contact</h1>
             <p>Please use the following form to contact Jesse Brault directly.</p>
-            <form class="contact">
+            <form id="contact-form" class="contact" novalidate>
                 <div class="control">
-                    <label for="name">Name</label>
-                    <input id="name" name="name" type="text" />
-                    <p id="name-message" class="message">&nbsp;</p>
+                    <label for="name-input">Name</label>
+                    <input id="name-input" name="name" type="text" required />
+                    <p id="name-message" class="message error">&nbsp;</p>
                 </div>
 
                 <div class="control">
-                    <label for="institution">Institution</label>
-                    <input id="institution" name="institution" type="text" />
-                    <p id="institution-message" class="message">&nbsp;</p>
+                    <label for="institution-input">Institution</label>
+                    <input id="institution-input" name="institution" type="text" />
+                    <p id="institution-message" class="message error">&nbsp;</p>
                 </div>
 
                 <div class="control">
-                    <label for="email">Email</label>
-                    <input id="email" name="email" type="email" />
-                    <p id="email-message" class="message">&nbsp;</p>
+                    <label for="email-input">Email</label>
+                    <input id="email-input" name="email" type="email" required />
+                    <p id="email-message" class="message error">&nbsp;</p>
                 </div>
 
                 <div class="control">
-                    <label for="message">Message</label>
-                    <textarea id="message" name="message"></textarea>
-                    <p id="message-message" class="message">&nbsp;</p>
+                    <label for="message-input">Message</label>
+                    <textarea id="message-input" name="message" required></textarea>
+                    <p id="message-message" class="message error">&nbsp;</p>
                 </div>
 
                 <div class="control">
-                    <input type="submit" />
+                    <input id="submit-input" type="submit" />
                     <p id="submit-message" class="message">&nbsp;</p>
                 </div>
             </form>

static/contact.js

@@ -1,37 +1,104 @@
-window.addEventListener('load', function () {
-    const contactForm = document.querySelector('form.contact')
-    contactForm.addEventListener('submit', function (submitEvent) {
-        submitEvent.preventDefault()
-        const formData = new FormData(contactForm)
-        const toSend = {
-            name: formData.get('name'),
-            email: formData.get('email'),
-            institution: formData.get('institution'),
-            message: formData.get('message')
+window.addEventListener('load', () => {
+    const contactForm = document.getElementById('contact-form')
+
+    const nameMessage = document.getElementById('name-message')
+    const emailMessage = document.getElementById('email-message')
+    const messageMessage = document.getElementById('message-message')
+    const submitMessage = document.getElementById('submit-message')
+
+    const nameInput = document.getElementById('name-input')
+    const emailInput = document.getElementById('email-input')
+    const messageInput = document.getElementById('message-input')
+    const submitInput = this.document.getElementById('submit-input')
+
+    const validateName = () => {
+        if (nameInput.validity.valid) {
+            nameMessage.innerHTML = ' '
+            nameInput.classList.remove('invalid')
+        } else {
+            nameMessage.innerText = 'Name is required.'
+            nameInput.classList.add('invalid')
         }
-        fetch('https://api.jessebrault.com/contact/jessebrault', {
-            body: JSON.stringify(toSend),
-            headers: {
-                'Content-type': 'application/json'
-            },
-            method: 'POST' // TODO: signal
-        })
-            .then(function (response) {
-                if (response.status === 400) {
-                    response.json().then(function (body) {
-                        body.errors.forEach(function ({ field, message }) {
-                            const element = document.getElementById(`${field}-message`)
-                            element.innerText = message
-                        })
-                    })
-                } else if (response.status === 500) {
-                    const submitMessageElement = document.getElementById('submit-message')
-                    submitMessageElement.innerText = 'There was internal server error. Please try again later.'
-                } else {
-                    const submitMessageElement = document.getElementById('submit-message')
-                    submitMessageElement.innerText = 'Your message was successfully sent!'
-                }
+        submitMessage.innerHTML = ' '
+    }
+
+    nameInput.addEventListener('focusout', validateName)
+    nameInput.addEventListener('input', validateName)
+
+    const validateEmail = () => {
+        if (emailInput.validity.valid) {
+            emailMessage.innerHTML = ' '
+            emailInput.classList.remove('invalid')
+        } else if (emailInput.validity.valueMissing) {
+            emailMessage.innerText = 'Email is required.'
+            emailInput.classList.add('invalid')
+        } else if (emailInput.validity.typeMismatch) {
+            emailMessage.innerText = 'Email must be a valid email.'
+            emailInput.classList.add('invalid')
+        }
+        submitMessage.innerHTML = ' '
+    }
+
+    emailInput.addEventListener('focusout', validateEmail)
+    emailInput.addEventListener('input', validateEmail)
+
+    const validateMessage = () => {
+        if (messageInput.validity.valid) {
+            messageMessage.innerHTML = ' '
+            messageInput.classList.remove('invalid')
+        } else {
+            messageMessage.innerText = 'Message is required.'
+            messageInput.classList.add('invalid')
+        }
+        submitMessage.innerHTML = ' '
+    }
+
+    messageInput.addEventListener('focusout', validateMessage)
+    messageInput.addEventListener('input', validateMessage)
+
+    contactForm.addEventListener('submit', submitEvent => {
+        submitEvent.preventDefault()
+        validateName()
+        validateEmail()
+        validateMessage()
+        if (nameInput.validity.valid && emailInput.validity.valid && messageInput.validity.valid) {
+            const formData = new FormData(contactForm)
+            const toSend = {
+                name: formData.get('name'),
+                email: formData.get('email'),
+                institution: formData.get('institution'),
+                message: formData.get('message')
+            }
+            submitInput.disabled = true
+            submitMessage.innerText = 'Sending...'
+            fetch('https://api.jessebrault.com/contact/jessebrault', {
+                body: JSON.stringify(toSend),
+                headers: {
+                    'Content-type': 'application/json'
+                },
+                method: 'POST'
             })
-            .catch(function (error) {})
+                .then(function (response) {
+                    if (response.status === 400) {
+                        response.json().then(body => {
+                            body.errors.forEach(({ field, message }) => {
+                                const element = document.getElementById(`${field}-message`)
+                                element.innerText = message
+                            })
+                        })
+                    } else if (response.status === 500) {
+                        submitMessage.classList.add('error')
+                        submitMessage.innerText = 'There was internal server error. Please try again later.'
+                    } else {
+                        submitMessage.classList.remove('error')
+                        submitMessage.innerText = 'Your message was successfully sent!'
+                        setTimeout(() => {
+                            submitMessage.innerHTML = ' '
+                        }, 5000)
+                    }
+                    submitInput.disabled = false
+                })
+                .catch(error => {})
+        }
     })
 })

static/main.css

@@ -416,10 +416,19 @@ form.contact {
     cursor: pointer;
 }
 
+.contact .control input.invalid,
+.contact .control textarea.invalid {
+    border: 1px solid red;
+}
+
 .contact .control .message {
     margin: 0;
 }
 
+.contact .control .error {
+    color: red;
+}
+
 @media screen and (max-width: 767px) {
     nav ul {
         position: absolute;