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/**
* Internal dependencies
*/
import emailValidator from 'email-validator';
/**
* Internal dependencies
*/
import './view.scss';
const blockClassName = 'wp-block-jetpack-mailchimp';
function fetchSubscription( blogId, email ) {
const url =
'https://public-api.wordpress.com/rest/v1.1/sites/' +
encodeURIComponent( blogId ) +
'/email_follow/subscribe?email=' +
encodeURIComponent( email );
return new Promise( function( resolve, reject ) {
const xhr = new XMLHttpRequest();
xhr.open( 'GET', url );
xhr.onload = function() {
if ( xhr.status === 200 ) {
const res = JSON.parse( xhr.responseText );
resolve( res );
} else {
const res = JSON.parse( xhr.responseText );
reject( res );
}
};
xhr.send();
} );
}
function activateSubscription( block, blogId ) {
const form = block.querySelector( 'form' );
const errorClass = 'error';
const processingEl = block.querySelector( '.' + blockClassName + '_processing' );
const errorEl = block.querySelector( '.' + blockClassName + '_error' );
const successEl = block.querySelector( '.' + blockClassName + '_success' );
form.addEventListener( 'submit', e => {
e.preventDefault();
const emailField = form.querySelector( 'input' );
emailField.classList.remove( errorClass );
const email = emailField.value;
if ( ! emailValidator.validate( email ) ) {
emailField.classList.add( errorClass );
return;
}
block.classList.add( 'is-processing' );
processingEl.classList.add( 'is-visible' );
fetchSubscription( blogId, email ).then(
response => {
processingEl.classList.remove( 'is-visible' );
if ( response.error && response.error !== 'member_exists' ) {
errorEl.classList.add( 'is-visible' );
} else {
successEl.classList.add( 'is-visible' );
}
},
() => {
processingEl.classList.remove( 'is-visible' );
errorEl.classList.add( 'is-visible' );
}
);
} );
}
const initializeMailchimpBlocks = () => {
const mailchimpBlocks = Array.from( document.querySelectorAll( '.' + blockClassName ) );
mailchimpBlocks.forEach( block => {
const blog_id = block.getAttribute( 'data-blog-id' );
try {
activateSubscription( block, blog_id );
} catch ( err ) {
if ( 'production' !== process.env.NODE_ENV ) {
// eslint-disable-next-line no-console
console.error( err );
}
}
} );
};
if ( typeof window !== 'undefined' && typeof document !== 'undefined' ) {
// `DOMContentLoaded` may fire before the script has a chance to run
if ( document.readyState === 'loading' ) {
document.addEventListener( 'DOMContentLoaded', initializeMailchimpBlocks );
} else {
initializeMailchimpBlocks();
}
}
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