In this article we will create a button, which makes it easy for our readers to share our articles.
We all know the share button on our phones,
which allows us to send a piece of information from an app to one of our contacts via messenger, email, etc.
Wouldn't it be awesome if we could include a button like this on our blog as well.
It turns out we can.
The Web Share API allows us to open the well known share menu on our phones.
The example below shows a simple example in react.
type Props = {
title: string;
text: string;
url: string;
};
const ShareButton = ({ title, text, url }: Props) => {
const onClick = async () => {
await window.navigator.share({
title,
text,
url,
});
};
return <button onClick={onClick}>Share</button>;
};
Quite simple, isn't it.
Support
It could be so simple if desktop operating systems and browsers also had a share menu.
But sadly this is not yet the case.
So we have to implement a fallback for those which do not have a share menu.
We can check if the browser supports sharing our kind of information with the following function.
const isWebShareSupported = (data: ShareData) => {
return window.navigator.canShare && window.navigator.share && window.navigator.canShare(data);
};
The function will check if the browser has an implementation of the canShare and share function.
It will also check with canShare if the api is able to share our information.
If this function returns false, we should display a fallback instead.
Fallback
For the fallback we could open a modal, with some options to share the article e.g.:
All of these services are popular for sharing information and they all offer a url to simplify this process.
In addition to the services we could add a share with email link and a copy to clipboard function.
For the modal we will use headlessui,
because it makes it easy for us to implement the modal and we can style it how we want.
Furthermore headlessui will handle the accessibility attributes and functions for us,
which are quite complicated for modals.
First we have to install headlessui.
pnpm add @headlessui/react
# or with yarn
yarn add @headlessui/react
# or with npm
npm install @headlessui/react
Ok, now we are able to open the modal if the Web Share API is not supported.
import { Dialog } from "@headlessui/react";
import { useState } from "react";
type Props = {
title: string;
text: string;
url: string;
};
const ShareButton = ({ title, text, url }: Props) => {
const [isOpen, setIsOpen] = useState(false);
const onClick = async () => {
const data = {
title,
text,
url,
};
if (isWebShareSupported(data)) {
await window.navigator.share();
} else {
setIsOpen(true);
}
};
return (
<>
<button onClick={onClick}>Share</button>
<Dialog open={isOpen} onClose={() => setIsOpen(false)}>
<Dialog.Panel>
<Dialog.Title>Share article</Dialog.Title>
{/* TODO add share links */}
</Dialog.Panel>
</Dialog>
</>
);
};
With this modification,
we check on every click on the button if we are able to use the Web Share API.
If the api is supported we open the native share menu,
if not we set an internal state to open the modal.
We are now ready to add some links.
Pocket is a social bookmarking service for storing, sharing, and discovering web bookmarks.
Pocket has a special link for sharing buttons.
Our implementation could look like the following.
import { Pocket } from "lucide-react";
type Props = {
url: string;
};
const PocketLink = ({ url }: Props) => (
<a href={`https://getpocket.com/save?url=${encodeURIComponent(url)}`} target="_blank" rel="noreferrer">
<Pocket /> Pocket
</a>
);
We use the lucide-react to render a nice icon for the Pocket link.
Twitter is a social networking service that probably everyone has heard of.
Twitter has also a special link,
which is able to pre-fill the tweet editor.
import { Twitter } from "lucide-react";
type Props = {
title: string;
url: string;
};
const TwitterLink = ({ url, title }: Props) => (
<a
href={`https://twitter.com/intent/tweet?url=${encodeURIComponent(url)}&text=${encodeURIComponent(title)}`}
target="_blank"
rel="noreferrer"
>
<Twitter /> Twitter
</a>
);
Facebook is another quite popular social media network,
with a link which pre-fills the post editor.
import { Facebook } from "lucide-react";
type Props = {
url: string;
};
const FacebookLink = ({ url }: Props) => (
<a href={`https://www.facebook.com/sharer/sharer.php?u=${encodeURIComponent(url)}`} target="_blank" rel="noreferrer">
<Facebook /> Facebook
</a>
);
LinkedIn is another social media network with a business focus.
They also have a share link.
import { Linkedin } from "lucide-react";
type Props = {
url: string;
};
const LinkedInLink = ({ url }: Props) => (
<a
href={`https://www.linkedin.com/sharing/share-offsite/?url=${encodeURIComponent(url)}`}
target="_blank"
rel="noreferrer"
>
<Linkedin /> LinkedIn
</a>
);
Another simple option to share an article is to send the url per email.
Here is how we can provide a button, which opens the email client with a prepared email.
import { Mail } from "lucide-react";
type Props = {
title: string;
text: string;
url: string;
};
const MailToLink = ({ url, title, text }: Props) => (
<a
href={`mailto:?subject=${encodeURIComponent(title)}&body=${encodeURIComponent(text + "\n\n")}${encodeURIComponent(
url
)}`}
target="_blank"
rel="noreferrer"
>
<Mail /> Send as email
</a>
);
Copy to clipboard
The last option we want to offer is a button which copies the article url to the clipboard of the client.
import { Check, Copy } from "lucide-react";
type Props = {
url: string;
};
const CopyToClipboardButton = ({ url }: Props) => {
const [copied, setCopied] = useState(false);
const copy = () => {
window.navigator.clipboard.writeText(url);
setCopied(true);
};
return <button onClick={copy}>{copied ? <Check /> : <Copy />} Copy to clipboard</button>;
};
The button shows a copy icon and after it is clicked we use the clipboard api to copy the url.
After the url is copied, the button shows a check mark instead of the copy icon.
Share menu
Now we are able to complete the fallback share menu.
<Dialog open={isOpen} onClose={() => setIsOpen(false)}>
<Dialog.Panel>
<Dialog.Title>Share article</Dialog.Title>
<ul>
<li>
<PocketLink />
</li>
<li>
<TwitterLink />
</li>
<li>
<FacebookLink />
</li>
<li>
<LinkedInLink />
</li>
<li>
<MailToLink />
</li>
<li>
<CopyToClipboardButton />
</li>
</ul>
</Dialog.Panel>
</Dialog>
Complete example
For a complete example,
which is styled with Tailwind CSS,
have a look at the source code of my blog (ShareButton sdorra.dev).
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