initial commit

components/NewsletterForm.tsx

@@ -0,0 +1,84 @@
+import React, { useRef, useState } from 'react'
+
+import siteMetadata from '@/data/siteMetadata'
+
+const NewsletterForm = ({ title = 'Subscribe to the newsletter' }) => {
+  const inputEl = useRef<HTMLInputElement>(null)
+  const [error, setError] = useState(false)
+  const [message, setMessage] = useState('')
+  const [subscribed, setSubscribed] = useState(false)
+
+  const subscribe = async (e: React.FormEvent<HTMLFormElement>) => {
+    e.preventDefault()
+
+    const res = await fetch(`/api/${siteMetadata.newsletter.provider}`, {
+      body: JSON.stringify({
+        email: inputEl.current.value,
+      }),
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      method: 'POST',
+    })
+
+    const { error } = await res.json()
+    if (error) {
+      setError(true)
+      setMessage('Your e-mail address is invalid or you are already subscribed!')
+      return
+    }
+
+    inputEl.current.value = ''
+    setError(false)
+    setSubscribed(true)
+    setMessage('Successfully! 🎉 You are now subscribed.')
+  }
+
+  return (
+    <div>
+      <div className="pb-1 text-lg font-semibold text-gray-800 dark:text-gray-100">{title}</div>
+      <form className="flex flex-col sm:flex-row" onSubmit={subscribe}>
+        <div>
+          <label className="sr-only" htmlFor="email-input">
+            Email address
+          </label>
+          <input
+            autoComplete="email"
+            className="w-72 rounded-md px-4 focus:border-transparent focus:outline-none focus:ring-2 focus:ring-primary-600 dark:bg-black"
+            id="email-input"
+            name="email"
+            placeholder={subscribed ? "You're subscribed !  🎉" : 'Enter your email'}
+            ref={inputEl}
+            required
+            type="email"
+            disabled={subscribed}
+          />
+        </div>
+        <div className="mt-2 flex w-full rounded-md shadow-sm sm:mt-0 sm:ml-3">
+          <button
+            className={`w-full rounded-md bg-primary-500 py-2 px-4 font-medium text-white sm:py-0 ${
+              subscribed ? 'cursor-default' : 'hover:bg-primary-700 dark:hover:bg-primary-400'
+            } focus:outline-none focus:ring-2 focus:ring-primary-600 focus:ring-offset-2 dark:ring-offset-black`}
+            type="submit"
+            disabled={subscribed}
+          >
+            {subscribed ? 'Thank you!' : 'Sign up'}
+          </button>
+        </div>
+      </form>
+      {error && (
+        <div className="w-72 pt-2 text-sm text-red-500 dark:text-red-400 sm:w-96">{message}</div>
+      )}
+    </div>
+  )
+}
+
+export default NewsletterForm
+
+export const BlogNewsletterForm = ({ title }) => (
+  <div className="flex items-center justify-center">
+    <div className="bg-gray-100 p-6 dark:bg-gray-800 sm:px-14 sm:py-8">
+      <NewsletterForm title={title} />
+    </div>
+  </div>
+)