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/** |
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* Frontend functionality for subscribers and tags. |
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* |
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* @since 1.9.6 |
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* |
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* @package ConvertKit |
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* @author ConvertKit |
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*/ |
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|
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/** |
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* Gets the subscriber ID for the given email address, storing |
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* it in the `ck_subscriber_id` cookie if it exists. |
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* |
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* Typically called when the user completes a ConvertKit Form |
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* that has either "Auto-confirm new subscribers" or |
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* "Send subscriber to thank you page" enabled (both scenarios |
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* include a ck_subscriber_id). |
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* |
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* @since 1.9.6 |
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* |
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* @param string emailAddress Email Address |
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*/ |
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function convertStoreSubscriberEmailAsIDInCookie( emailAddress ) { |
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|
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if ( convertkit.debug ) { |
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console.log( 'convertStoreSubscriberEmailAsIDInCookie' ); |
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console.log( emailAddress ); |
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} |
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|
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fetch( |
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convertkit.ajaxurl, |
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{ |
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method: 'POST', |
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headers: { |
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'Content-Type': 'application/x-www-form-urlencoded', |
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}, |
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body: new URLSearchParams( |
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{ |
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action: 'convertkit_store_subscriber_email_as_id_in_cookie', |
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convertkit_nonce: convertkit.nonce, |
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email: emailAddress |
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} |
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) |
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} |
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) |
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.then( |
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function ( response ) { |
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if ( convertkit.debug ) { |
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console.log( response ); |
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} |
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|
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return response.json(); |
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} |
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) |
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.then( |
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function ( result ) { |
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if ( convertkit.debug ) { |
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console.log( result ); |
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} |
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|
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// Emit custom event with subscriber ID. |
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convertKitEmitCustomEvent( |
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'convertkit_user_subscribed', |
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{ |
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id: result.data.id, |
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email: emailAddress |
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} |
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); |
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} |
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) |
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.catch( |
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function ( error ) { |
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if ( convertkit.debug ) { |
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console.error( error ); |
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} |
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} |
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); |
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|
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} |
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|
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/** |
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* Remove the url subscriber_id url param |
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* |
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* The 'ck_subscriber_id' should only be set on URLs included on |
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* links from a ConvertKit email with no other URL parameters. |
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* This function removes the parameters so a customer won't share |
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* a URL with their subscriber ID in it. |
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* |
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* @param url |
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*/ |
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function convertKitRemoveSubscriberIDFromURL( url ) { |
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|
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// Remove ck_subscriber_id, retaining other params. |
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const url_object = new URL( url ); |
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url_object.searchParams.delete( 'ck_subscriber_id' ); |
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|
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// Get title and string of parameters. |
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const title = document.getElementsByTagName( 'title' )[0].innerHTML; |
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let params = url_object.searchParams.toString(); |
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|
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// Only add '?' if there are parameters. |
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if ( params.length > 0 ) { |
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params = '?' + params; |
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} |
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|
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// Update history. |
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window.history.pushState( null, title, url_object.pathname + params ); |
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|
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} |
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|
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/** |
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* Utility function to pause for the given number of milliseconds |
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* |
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* @since 1.9.6 |
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* |
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* @param int milliseconds |
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*/ |
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function convertKitSleep( milliseconds ) { |
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|
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var start = new Date().getTime(); |
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for (var i = 0; i < 1e7; i++) { |
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if ((new Date().getTime() - start) > milliseconds) { |
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break; |
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} |
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} |
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|
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} |
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|
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/** |
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* Emit a custom event with optional detail data. |
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* |
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* This function creates and dispatches a custom event with the specified |
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* event name and detail data. |
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* |
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* @since 2.5.0 |
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* |
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* @param {string} eventName The name of the custom event to emit. |
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* @param {Object} [detail={}] Optional detail data to include with the event. |
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*/ |
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function convertKitEmitCustomEvent( eventName, detail ) { |
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|
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const event = new CustomEvent( eventName, { detail } ); |
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document.dispatchEvent( event ); |
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|
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} |
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|
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/** |
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* Register events |
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*/ |
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document.addEventListener( |
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'DOMContentLoaded', |
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function () { |
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|
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// Removes `ck_subscriber_id` from the URI. |
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convertKitRemoveSubscriberIDFromURL( window.location.href ); |
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|
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// Store subscriber ID as a cookie from the email address used when a ConvertKit Form is submitted. |
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document.addEventListener( |
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'click', |
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function (e) { |
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// Check if the form submit button was clicked, or the span element was clicked and its parent is the form submit button. |
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if ( ! e.target.matches( '.formkit-submit' ) && ( ! e.target.parentElement || ! e.target.parentElement.matches( '.formkit-submit' ) ) ) { |
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if ( convertkit.debug ) { |
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console.log( 'not a ck form' ); |
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} |
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|
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return; |
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} |
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|
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// Get email address. |
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let emailAddress = document.querySelector( 'input[name="email_address"]' ).value; |
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|
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// If the email address is empty, don't attempt to get the subscriber ID by email. |
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if ( ! emailAddress.length ) { |
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if ( convertkit.debug ) { |
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console.log( 'email empty' ); |
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} |
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|
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return; |
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} |
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|
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// If the email address is invalid, don't attempt to get the subscriber ID by email. |
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var validator = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/; |
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if ( ! validator.test( emailAddress.toLowerCase() ) ) { |
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if ( convertkit.debug ) { |
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console.log( 'email not an email address' ); |
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} |
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|
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return; |
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} |
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|
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// Wait a moment before sending the AJAX request. |
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convertKitSleep( 2000 ); |
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convertStoreSubscriberEmailAsIDInCookie( emailAddress ); |
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} |
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); |
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|
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} |
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); |
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|
