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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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* @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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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(convertkit.ajaxurl, { |
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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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'X-WP-Nonce': convertkit.nonce, |
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}, |
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body: new URLSearchParams({ |
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email: emailAddress, |
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}), |
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}) |
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.then(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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.then(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('convertkit_user_subscribed', { |
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id: result.id, |
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email: emailAddress, |
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}); |
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}) |
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.catch(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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* 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 {string} url URL. |
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*/ |
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function convertKitRemoveSubscriberIDFromURL(url) { |
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// Parse URL. |
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const url_object = new URL(url); |
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const ck_subscriber_id = url_object.searchParams.get('ck_subscriber_id'); |
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|
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// If ck_subscriber_id is null, it's not included in the URL. |
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// Don't modify the URL. |
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if (ck_subscriber_id === null) { |
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return; |
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} |
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|
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// Remove ck_subscriber_id from URL params. |
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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.replaceState( |
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null, |
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title, |
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url_object.pathname + params + url_object.hash |
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); |
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|
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// Emit custom event with the removed subscriber ID. |
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convertKitEmitCustomEvent('kit_subscriber_id_removed_from_url', { |
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id: ck_subscriber_id, |
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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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* @param {number} milliseconds Number of milliseconds to pause for. |
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*/ |
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function convertKitSleep(milliseconds) { |
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const start = new Date().getTime(); |
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for (let 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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* 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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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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/* eslint-disable no-unused-vars */ |
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/** |
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* Handles form submissions when reCAPTCHA is enabled. |
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* |
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* @param {string} token reCAPTCHA token. |
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*/ |
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function convertKitRecaptchaFormSubmit(token) { |
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// Find submit button with the data-callback attribute. |
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const submitButton = document.querySelector( |
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'[type="submit"][data-callback="convertKitRecaptchaFormSubmit"]' |
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); |
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|
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// Get the parent form of the submit button. |
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const form = submitButton.closest('form'); |
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|
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// Submit the form. |
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form.submit(); |
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} |
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|
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// Scope the function to the window object as webpack will wrap everything in a closure, |
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// resulting in the function not being available globally. |
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window.convertKitRecaptchaFormSubmit = convertKitRecaptchaFormSubmit; |
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/* eslint-enable no-unused-vars */ |
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|
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/** |
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* Register events on frontend. |
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* |
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* @since 3.2.0 |
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*/ |
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if (typeof convertkit !== 'undefined') { |
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document.addEventListener('DOMContentLoaded', function () { |
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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('click', 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 ( |
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!e.target.matches('.formkit-submit') && |
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(!e.target.parentElement || |
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!e.target.parentElement.matches('.formkit-submit')) |
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) { |
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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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const emailAddress = document.querySelector( |
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'input[name="email_address"]' |
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).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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const validator = |
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/^(([^<>()\[\]\\.,;:\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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// Set a cookie if any scripts with data-kit-limit-per-session attribute exist. |
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if ( |
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document.querySelectorAll('script[data-kit-limit-per-session="1"]') |
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.length > 0 |
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) { |
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document.cookie = 'ck_non_inline_form_displayed=1; path=/'; |
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if (convertkit.debug) { |
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console.log( |
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'Set `ck_non_inline_form_displayed` cookie for non-inline form limit' |
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); |
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} |
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} |
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}); |
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} |
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|
